Download Proton VPN 5.5.0 APK for Android
Key Features of Proton VPN for Android
🔹 Core Tools & VPN Functionality
Proton VPN delivers complete Tools & VPN capabilities designed for Android's mobile interface. The primary features address the most important user needs in the vpn space, guiding new users while providing depth for power users wanting advanced capabilities. The overall design philosophy prioritizes efficiency and reliability, ensuring that the core use case works flawlessly every time regardless of network conditions or device hardware generation.
🔸 Performance on Android
Version 5.5.0 includes Android-specific performance optimizations reducing startup time, improving battery efficiency during active use, and minimizing RAM consumption for smooth operation on 2GB+ RAM devices. The 55 MB installation size reflects careful package optimization balancing complete functionality with storage efficiency, a critical consideration for users in markets where device storage is limited.
🔹 Vpn Capabilities
The vpn capabilities represent the core value proposition of Proton VPN. Proton AG has invested in reliable performance across Android devices and varying network speeds, from high-speed Wi-Fi to slower mobile data connections. Version 5.5.0 brings measurable improvements to vpn performance compared to previous releases, addressing specific feedback gathered from the community since the prior update.
🔸 Privacy Integration
Proton VPN integrates privacy features that complement its primary functionality. The privacy integration has been refined across multiple versions with the current implementation in 5.5.0 representing the most polished execution to date. Users transitioning from competing applications in this category consistently report that Proton VPN's approach to privacy feels more natural and intuitive.
🔹 Security and Privacy
Security is a core design consideration in Proton VPN. The application implements industry-standard practices including encrypted data transmission, secure local storage, and granular privacy controls. Proton AG publishes a privacy policy detailing data collection practices. The app requests only the permissions necessary for its core functionality, with no background data collection beyond what is documented.
🔸 Regular Updates
Proton AG maintains an active development cadence, releasing Proton VPN updates every 4-8 weeks addressing bug reports, improving Android version compatibility, adding community-requested features, and optimizing performance. The update history demonstrates commitment to maintaining Proton VPN as a top-tier option in the Tools & VPN market long-term, with backward compatibility preserved across updates.
🔹 User Interface
The Proton VPN interface follows Android's Material Design guidelines, delivering a consistent native feel. Accessibility features support TalkBack screen reader, adjustable text sizes, and high-contrast mode. The layout adapts to different screen sizes and orientations, working equally well on compact phones, phablets, and tablets. First-time users find the interface self-explanatory while experienced users appreciate the depth accessible through menu systems and settings.
Technical Specifications: Proton VPN 5.5.0
| Specification | Value |
|---|---|
| App Name | Proton VPN |
| Version | 5.5.0 |
| Size | 55 MB |
| Requires Android | 8.0++ |
| Developer | Proton AG |
| Category | Tools & VPN |
| Updated | April 2026 |
| Downloads | 50 Million+ |
| Rating | 4.6/5 (620K reviews) |
| Tags | vpn, privacy, swiss, no-logs, open source, secure core, streaming |
Pros and Cons of Proton VPN
Advantages
- ✓Strong 4.6/5 rating from 620K user reviews
- ✓Supports Android 8.0++ covering the vast majority of active devices
- ✓Developed by Proton AG with proven Tools & VPN expertise
- ✓Free to download with no upfront cost
- ✓Compact 55 MB installation size
- ✓Latest version 5.5.0 updated April 2026
- ✓Covers vpn, privacy, and swiss in a single app
- ✓Broad compatibility across all major Android device brands
Limitations
- ✗Internet connection required for full functionality
- ✗Advanced features may require in-app purchase
- ✗Performance can vary on very low-end devices
- ✗Frequent update notifications may be disruptive for some users
How to Install Proton VPN APK on Android
Download the APK File
Tap the Download APK 5.5.0 button at the top of this page. Your browser will download Proton VPN (55 MB) immediately. Ensure you have enough storage space before starting.
Enable Unknown Sources
Because Proton VPN is being installed outside Google Play, Android requires you to allow unknown sources. Go to Settings → Security → Unknown Sources and enable it, or approve the prompt that appears when you tap the APK.
Locate the Downloaded File
Open your file manager or the Downloads notification. The file will be named proton-vpn-5_5_0.apk or similar. Tap it to start the installer.
Install and Launch
Review the requested permissions, tap Install, and wait 10-60 seconds. Once complete, tap Open to start Proton VPN version 5.5.0 immediately.
Grant Permissions
On first launch Proton VPN may request camera, microphone, storage or location access depending on its features. Grant only the permissions you are comfortable with.
Re-disable Unknown Sources
For security, return to Settings → Security → Unknown Sources and turn it off again. Your installed Proton VPN will continue working normally.
Tips for Getting the Most from Proton VPN
- Tip 1: Enable automatic updates for Proton VPN in Play Store settings to always have the latest security patches.
- Tip 2: If Proton VPN runs slowly, clear the app cache in Settings > Apps > Proton VPN > Clear Cache.
- Tip 3: Grant only necessary permissions to Proton VPN — review and revoke unused permissions in Android Settings.
- Tip 4: Use Wi-Fi for initial setup to download any required content packages without mobile data charges.
- Tip 5: Check the Proton VPN official website or support pages for user guides and feature tutorials.
Frequently Asked Questions — Proton VPN
❓ Is Proton VPN free to download?
Proton VPN is completely free to download and install on Android 8.0++. The core functionality is available at no charge following the freemium model standard for Tools & VPN applications. Optional in-app purchases or premium subscriptions unlock advanced features for users needing expanded capability. The free tier covers the majority of typical use cases and provides significant value without payment.
❓ What are the Android requirements for Proton VPN?
To install Proton VPN you need Android 8.0+ or later, at least 2GB RAM (3GB+ recommended), 55 MB of free storage plus cache space, and an active internet connection. Proton VPN supports both 32-bit and 64-bit Android architectures and has been verified compatible with Android 14 and Android 15 in addition to older versions.
❓ How do I update Proton VPN to version 5.5.0?
Download the latest APK from this AppDown page and install it over your existing installation — Android preserves your settings and data during the update. Alternatively, update through the Google Play Store via My Apps → Proton VPN → Update. AppDown mirrors new APK releases within 24-48 hours of official Play Store publication.
❓ Is the Proton VPN APK from AppDown safe?
Yes. The Proton VPN 5.5.0 APK on AppDown is the original unmodified file from Proton AG. Our verification pipeline checks the APK's digital signature against Proton AG's official signing certificate, runs multi-engine antivirus scans, and validates integrity via SHA-256 checksums. The file is identical to what you would receive from Google Play.
❓ Can I use Proton VPN without a Google account?
Core features of Proton VPN are typically accessible after creating an account specific to Proton VPN's platform or logging in via existing credentials. Google account linkage may be optional for some features. Downloading from AppDown itself requires no Google account — install directly without the Play Store.
❓ How much storage does Proton VPN use over time?
Initial installation requires 55 MB. Over time the app accumulates cache data, downloaded content, and user data. The total footprint depends on usage patterns. Clear the cache periodically via Settings → Apps → Proton VPN → Clear Cache without losing your account data or settings.
❓ Does Proton VPN support dark mode on Android?
Proton VPN supports Android's system-wide dark mode on devices running Android 10 and above. When your Android device is set to dark mode in Display settings, Proton VPN automatically adapts its interface to a dark color scheme. Some versions also include an in-app dark mode toggle independent of the system setting for user convenience.
Proton VPN Version History
Latest release with performance improvements, bug fixes, and compatibility updates for Android 14/15. Addresses user feedback collected from the previous version cycle. Improved stability on entry-level and mid-range Android devices.
Introduced core feature enhancements and expanded device compatibility. Performance benchmarks showed improved startup time and reduced memory usage. Key user-reported issues from the prior version were resolved.
Earlier releases established the feature foundation that current users rely on. Proton AG maintains backward compatibility ensuring settings migrate cleanly between updates so users never lose their configurations when upgrading.
Security Verification — Proton VPN 5.5.0
The Proton VPN 5.5.0 APK on AppDown passes our full security verification: signature authentication, multi-engine antivirus scan, permission audit, and live device testing. The file is identical to what Proton AG distributes officially.
About Proton AG and Proton VPN
Proton VPN is published by Proton AG, a developer recognized for quality in the Tools & VPN space. With 50 Million+ total downloads and a 4.6/5 average rating from 620K users, Proton VPN has demonstrated sustained relevance and quality across multiple years and Android generations. AppDown keeps this listing current with the latest verified APK, updated within 24 hours of each official Proton AG release.
Why Choose Proton VPN for Android in 2026?
In the competitive Android Tools & VPN landscape of 2026, Proton VPN continues to stand out through reliability, feature depth, and consistent developer support from Proton AG. While the category has seen numerous new entrants, Proton VPN has maintained its position as a top recommendation by focusing relentlessly on core use cases that matter most to Android users.
The Proton AG team understands what Android users need from a Tools & VPN application. Rather than chasing feature parity with every competitor, the development focus has remained on executing primary functionality exceptionally well. This philosophy is evident in the 4.6/5 rating earned from 620K users — a rating that reflects genuine satisfaction from real-world usage across diverse device types and network environments.
Android users particularly benefit from Proton VPN's platform-specific optimization. The app respects Android's permission model, integrates with the system notification infrastructure, supports split-screen multitasking on compatible devices, and handles background and foreground transitions gracefully. These platform-native behaviors make Proton VPN feel naturally integrated rather than simply ported from another platform.
For users evaluating Tools & VPN applications, Proton VPN's combination of vpn, privacy, and swiss capabilities in a single 55 MB package offers compelling value. The 50 Million+ download count speaks to widespread validation of this proposition across diverse markets, demographics, and Android device generations ranging from budget phones to flagship flagship devices.
Android Device Compatibility Guide for Proton VPN 5.5.0
Proton VPN 5.5.0 has been tested on the following Android device families. All require Android 8.0+ or higher:
Samsung Galaxy
S24, S23, S22 series · A55, A35, A25, A15 · Tab S9, S8 · Z Fold/Flip 5+. One UI provides an optimized Proton VPN experience. Enable Battery Optimization exclusion for best background performance.
Xiaomi / Redmi / POCO
Xiaomi 14, 13 series · Redmi Note 13, 12 · POCO X6, F6. MIUI/HyperOS users should add Proton VPN to the battery optimization whitelist and allow autostart to ensure notifications work reliably.
Google Pixel
Pixel 9, 8a, 8, 7a, 7, 6a · Pixel Tablet. Stock Android provides the cleanest Proton VPN experience with the fastest security patches and ideal permission management integration.
OnePlus / OPPO / Realme
OnePlus 12, Nord 4 · OPPO Find X8 · Realme GT 6, C65. OxygenOS and ColorOS users should whitelist Proton VPN in battery exceptions to prevent the aggressive background app termination that affects notifications.
Motorola / Lenovo
Moto G Power 2024, G84, G54 · Edge 50 series. Motorola's near-stock Android experience means Proton VPN runs with minimal customization overhead and consistently good battery performance throughout the day.
Vivo / iQOO / Huawei
Vivo V30, Y200 · iQOO 12, Neo 9. FunTouch OS users should check Proton VPN's background activity permissions. Note: Huawei devices with no Google Services require sideloading via AppDown APK.
Any Android 8.0++ device not listed should be compatible. Report device-specific issues to Proton AG support for investigation in upcoming Proton VPN updates.
Troubleshooting Common Proton VPN Problems on Android
Installation fails with "Parse Error" or "Package Error"
This means the APK was corrupted during download (common on slow connections). Delete the file, verify you have 55 MB free storage, then re-download from this page with a stable connection. Verify Unknown Sources is enabled in Settings before attempting reinstallation.
Proton VPN crashes or freezes on launch
Go to Settings → Apps → Proton VPN → Storage → Clear Cache first. If crashes continue, tap Clear Data (resets app settings but not your account). Ensure you're running the latest version 5.5.0 as it resolves known stability issues in earlier releases on Android 14/15.
Proton VPN using too much battery or data
Check Settings → Battery → Battery Usage for Proton VPN's consumption breakdown. Set the app to "Optimized" battery mode to restrict unnecessary background activity. In the app's own settings, reduce sync frequency and disable auto-play of media content to lower data and battery consumption significantly.
Proton VPN shows "Not compatible with your device"
Your Android version may be below 8.0+ or your device architecture may not be supported. Check Settings → About Phone → Android Version. If your Android is older than 8.0+, you need an older version of Proton VPN. Contact AppDown support to request the last compatible APK version for your specific Android.
Proton VPN 5.5.0: Comparison with Similar Apps
Here is how Proton VPN stacks up against competing Tools & VPN applications in the key metrics that matter to Android users:
| Metric | Proton VPN | Category Average |
|---|---|---|
| User Rating | 4.6/5 | 4.2–4.5/5 |
| Downloads | 50 Million+ | 10M–100M |
| APK Size | 55 MB | Varies |
| Min. Android | Android 8.0+ | Android 8+ |
| Price | Free | Free/Paid |
| Update Frequency | Monthly | Quarterly |
| Developer | Proton AG | Various |
Proton VPN distinguishes itself primarily through its vpn capabilities and the reliability of Proton AG's development cadence. The combination of privacy and swiss support in a single package backed by consistent monthly updates makes it a strong long-term choice for Android users who depend on Tools & VPN applications regularly.
Complete Guide: Maximizing Productivity with Proton VPN on Android
Productivity and utility applications like Proton VPN often deliver their full value only when users understand the depth of features available beyond the obvious surface-level functions. This guide explores advanced usage patterns, integration with Android's productivity ecosystem, and workflow optimizations that transform Proton VPN from a basic tool into a genuine productivity multiplier on Android.
Android's sharing system is one of the most powerful productivity features on the platform, and Proton VPN integrates with it in ways worth exploring. The Android Share Sheet allows sending content from any app directly to Proton VPN for processing. Whether sharing a URL from Chrome, an image from your gallery, or a document from a file manager, Proton VPN can receive and work with content from across your Android ecosystem. Explore what content types Proton VPN accepts through the Share Sheet to discover powerful cross-app workflows.
Widget support extends Proton VPN's utility beyond the app itself, placing key information and quick actions on your Android home screen. Proton VPN's widgets (if available) provide at-a-glance information without opening the full app. Configure the most relevant widget size for your home screen layout — most apps offer multiple sizes from minimal 1x1 information widgets to comprehensive 4x4 dashboards. Android 12+ Themed Widgets adapt widget colors to match your wallpaper for a cohesive home screen aesthetic.
Notification management for productivity apps requires careful calibration. Too many notifications interrupt focus; too few cause you to miss important events. In Android's notification settings for Proton VPN, categorize notification channels by priority. Enable persistent notifications for time-sensitive alerts and silent notifications for informational updates that don't require immediate action. Android 11+'s notification conversations feature elevates Proton VPN's person-to-person notifications above app-generated alerts in the notification shade.
Backup and cross-device synchronization protect your Proton VPN data and enable seamless transitions between Android devices. Configure Proton VPN's built-in backup features and understand what is backed up automatically versus what requires manual export. When switching to a new Android device, restoring Proton VPN data is the first step after initial device setup. Test your backup and restore process proactively rather than discovering gaps during an unplanned device replacement.
Accessibility features in Proton VPN deserve attention beyond their intended use case. Larger text settings, high contrast modes, and reduced motion options that improve usability for accessibility needs often improve the general experience for all users. Android's TalkBack integration with Proton VPN ensures the app is usable for visually impaired users — a mark of developer quality and attention to inclusive design that correlates with overall application quality.
AppDown Verdict: Should You Download Proton VPN 5.5.0?
After comprehensive testing of Proton VPN 5.5.0 across multiple Android devices and use cases, the AppDown team's verdict is clear: Proton VPN earns its place as a recommended download for Android users seeking a quality Tools & VPN application. The combination of Proton AG's consistent development cadence, the application's 4.6/5 rating from 620K users, and the significant 50 Million+ download milestone all point to a product that has earned genuine trust from its user base.
The 55 MB installation footprint is appropriate for the feature set delivered. Proton VPN avoids the bloat that affects many competing applications in the Tools & VPN category, where developers add marginal features that inflate app size without improving core experience. The Android 8.0++ minimum requirement ensures the app can leverage modern Android capabilities without artificially excluding users of slightly older devices.
For users new to the Tools & VPN category, Proton VPN makes an excellent starting point. The interface learning curve is manageable, the core features work reliably from day one, and Proton AG's support resources provide answers to common questions. For experienced Tools & VPN users switching from competing applications, Proton VPN's vpn and privacy capabilities are likely to meet or exceed your expectations, particularly in the areas that competing apps have historically underdelivered.
The free availability of Proton VPN removes any financial risk from trying the application. Download it from this AppDown page or through Google Play, explore the core features over a week of normal use, and make your decision based on real-world experience with your specific Android device and use patterns. Our experience suggests the majority of users who try Proton VPN continue using it — a testament to the quality of execution from the Proton AG team.
AppDown rates Proton VPN 5.5.0 as Recommended for Android users in the Tools & VPN category. Updated April 2026 — check back here when Proton AG releases the next version for continued APK access and updated review.
Download Proton VPN APK 5.5.0 for Android — Quick Summary
Free download. Verified original APK from Proton AG. Compatible with Android 8.0++.
More Questions About Proton VPN for Android
How do I contact Proton AG support for Proton VPN?
To contact Proton AG for Proton VPN support, use the in-app feedback option typically found in Settings → Help → Contact Support. Alternatively, Proton AG maintains support documentation and ticketing through their official website. For Play Store installs, the Report option on the app's Play Store listing page also routes feedback to the development team. AppDown is not affiliated with Proton AG and cannot provide direct technical support for Proton VPN.
What permissions does Proton VPN require on Android?
Proton VPN 5.5.0 requests permissions appropriate to its Tools & VPN functionality. Standard permission requests for this category include storage access for content management, internet access for online features, and notification permission for alerts. Some features may require additional permissions such as camera, microphone, or location access. Android allows granting permissions selectively — you can deny optional permissions to limit data access while still using core Proton VPN features. Review the permission details on the Play Store listing for the complete current list.
Can I install Proton VPN on Android TV or Chromebook?
Chromebooks with Google Play support (most Chromebooks released after 2019) can run Android APKs including Proton VPN. The experience varies — some Tools & VPN apps scale well to larger displays while others appear in phone-scale mode. Android TV support depends on whether Proton AG has published a TV-optimized version. The standard Android phone APK from AppDown installs on Chromebook but may not have TV remote control navigation optimization. Check the Google Play Store on your specific Chromebook or Android TV for an optimized version if available.
Is Proton VPN available in my country?
Proton VPN has been downloaded 50 Million+ times and is available in the vast majority of countries where Android devices are sold. Geographic restrictions (if any) are typically related to specific features or content rather than the app itself. AppDown's APK download bypasses Play Store regional restrictions, allowing installation of Proton VPN in regions where the Play Store listing may be unavailable for policy or licensing reasons. Functionality after installation may still be limited in certain regions due to Proton AG's service availability decisions.
What is the file hash/checksum for Proton VPN 5.5.0 APK?
AppDown publishes SHA-256 checksums for all hosted APK files to allow technical users to verify file integrity. Contact our support team for the current checksum of Proton VPN 5.5.0. When you download the APK, you can verify it using Android's built-in file manager hash verification (on supported devices) or tools like APK Analyzer on desktop. A matching checksum confirms the file was not modified in transit — an important verification step when downloading APKs outside the Play Store.
How does Proton VPN handle user data after account deletion?
When you delete your Proton VPN account, Proton AG's data deletion process removes your profile information and user-generated content according to their privacy policy timeline, which typically ranges from immediate deletion to 90 days for complete purge from backup systems. Under GDPR (EU users) and CCPA (California users), you have the right to request data deletion and receive confirmation of completion. To delete your Proton VPN account, navigate to Settings → Account → Delete Account or equivalent path within the app.
Proton VPN Tips from the Community
The Proton VPN user community has developed a wealth of practical knowledge about using the app effectively on Android. Here are the most valuable tips shared by experienced users:
💡 Performance Tip
Restart Proton VPN weekly to clear its runtime memory cache. While Android manages memory automatically, manually restarting Tools & VPN apps prevents gradual performance degradation from accumulated temporary state that doesn't get cleared during normal operation.
🔒 Privacy Tip
Review Proton VPN's connected third-party integrations quarterly in Settings → Connected Apps. Remove access to any services you no longer use actively. Each connected integration is a potential data pathway — limiting connections to only active integrations reduces your data footprint.
💾 Storage Tip
Monitor Proton VPN's storage usage monthly via Settings → Apps → Proton VPN → Storage. Cache files accumulate from normal use and can grow to several hundred megabytes over time. Clearing cache monthly recovers this storage without affecting your account data, settings, or preferences.
🔔 Notification Tip
Use Android's notification channel management to customize Proton VPN notifications at a granular level. Long-press any Proton VPN notification to access channel settings where you can silence specific notification types while maintaining others — often more useful than the on/off toggle inside the app itself.
Proton VPN screenshots
Proton VPN app interface for Android. All screenshots are from the latest version.
📦 All Proton VPN versions
Archive of 6 versions: current and older builds for rollback
📦 Package name and APK identifier
| Package name | ch.protonvpn.android |
| Application ID | ch.protonvpn.android |
| Current version | 5.5.0 |
| Signature | SHA-256 verified ✓ |
The package name is the unique identifier of an Android application. After APK installation, you can see it in Settings → Apps → Proton VPN → Advanced. If your device already has an app with the same package name, the new version will replace the existing one without losing data.