How is the quality of Proton?
Reviewers report mixed but increasingly positive feedback on Proton’s quality, with a growing trend toward higher satisfaction over time. While nearly half of the mentions remain negative, highlighting persistent technical issues like app crashes, unreliable connections, and frustrating user interface behaviors, over 5,000 positive reviews praise the service’s reliability, privacy focus, and free access. The overall sentiment has improved steadily, rising from around 3.15 stars in late 2025 to 3.82 stars in August 2026, suggesting that recent updates or improvements have addressed some long-standing concerns. Many users still cite performance problems, but a growing number describe Proton as dependable, secure, and easy to use, especially for those prioritizing privacy over convenience.
What customers praise
Customers frequently praise Proton for its strong privacy protections and reliable performance, especially in regions with strict internet controls. Many highlight that the app allows them to securely access content from other countries, such as streaming services, and appreciate the ability to generate encryption keys locally, ensuring no third party, including Proton itself, can access their data. Users also value the free tier, calling it a rare combination of security and accessibility. The absence of ads and the ability to use the service across multiple platforms, including Linux, are frequently mentioned as major strengths.
What customers said:
- „simple and to the point“
- „Can be installed on Linux and all other operating systems, including synchronization…“
„Can be installed on Linux and all other operating systems, including synchronization across all devices.“
Original„Kann sowohl auf Linux und alle anderen Betriebssystemen installiert werden inkl. Synchronisation auf allen Geräten.“
- „I recommend everyone use Proton for their TV, computer, and phone.“
„I recommend everyone use Proton for their TV, computer, and phone.“
Original„je recommande à tout le monde d'utiliser Proton pour leur Tv, ordi et portable“
Common complaints
Common complaints center on technical instability, including frequent app crashes, inconsistent connection behavior, and issues with basic functions like turning off features or deleting data. Several users report that the app fails to recognize their input, such as repeatedly failing to register a toggle for photo backup or rejecting valid QR codes. Others describe constant disconnections and the need to restart devices to restore service. These issues are especially prevalent on Android, where users note problems with Android Auto integration and repeated disconnections without explanation.
What customers said:
- „i also could not delete any photos“
- „the search seems to only search title and email address and not email content“
- „getting it to work at all requires patience“
„getting it to work at all requires patience“
Original„onuda tutturmak saten sabır istiyor“
How it has changed over time
Over time, customer sentiment on Proton’s quality has shifted positively, with average ratings climbing from 3.15 stars in October 2025 to 3.82 stars in August 2026. This improvement coincides with a rise in positive mentions, particularly around the reliability of connections and the stability of the app. While early reviews focused heavily on bugs and usability flaws, more recent feedback reflects fewer complaints about core functionality and more emphasis on the service’s privacy benefits and consistent performance. The growing number of 5-star reviews suggests that recent updates have addressed some of the most persistent issues.
What customers said:
- „It would be good to fix this problem.“
„It would be good to fix this problem.“
Original„il serait bien de régler ce problème“
- „works the way I want it to“
- „The app is ad-free.“
„The app is ad-free.“
Original„Die App ist ohne Werbung.“
Practical takeaways
For users prioritizing privacy and secure access to global content, Proton remains a top choice despite its technical flaws. The free tier offers strong value, especially for those who want to avoid data collection by major providers. However, users should be prepared for occasional bugs, particularly on mobile devices, and may need to troubleshoot connection issues manually. The app works best on desktop and when used with stable internet connections. Overall, the service is worth trying for privacy-conscious users, especially given its growing reliability and strong reputation for data protection.
What customers said:
- „Free and reliable at the same time??!“
- „now I feel much safer“
- „Works very well, perfect, I can't say anything else.“
„Works very well, perfect, I can't say anything else.“
Original„funciona muy bien perfecto no puedo decir otra cosa“
Over time
Data as table
| Month | Avg. rating | Count |
|---|---|---|
| 2025-09 | 3.35 | 303 |
| 2025-10 | 3.15 | 442 |
| 2025-11 | 3.38 | 351 |
| 2025-12 | 3.37 | 295 |
| 2026-01 | 3.49 | 356 |
| 2026-02 | 3.52 | 417 |
| 2026-03 | 3.40 | 396 |
| 2026-04 | 3.47 | 414 |
| 2026-05 | 3.50 | 566 |
| 2026-06 | 3.66 | 822 |
| 2026-07 | 3.64 | 1192 |
| 2026-08 | 3.82 | 334 |
Sentiment over time
Data as table
| Month | Positive | Neutral | Negative | Count |
|---|---|---|---|---|
| 2025-09 | 46% | 7% | 48% | 303 |
| 2025-10 | 40% | 5% | 55% | 442 |
| 2025-11 | 48% | 7% | 46% | 351 |
| 2025-12 | 49% | 5% | 45% | 295 |
| 2026-01 | 51% | 6% | 44% | 356 |
| 2026-02 | 51% | 8% | 41% | 417 |
| 2026-03 | 48% | 5% | 47% | 396 |
| 2026-04 | 51% | 6% | 44% | 414 |
| 2026-05 | 51% | 5% | 44% | 566 |
| 2026-06 | 57% | 6% | 37% | 822 |
| 2026-07 | 57% | 4% | 39% | 1192 |
| 2026-08 | 60% | 5% | 35% | 334 |
Sub-topics
- VPN speed & servers - 57 mentions
Customer voices
Short excerpts - full reviews are available at the original source.
„it says im in a different state on app but im always in Nevada“
„you cannot edit a single event in a repeating event setup“
„I enjoy the peace of mind“
„You can change your IP address (clear history each time).“
„I generate the encryption keys entirely on my end, so even the company cannot see the data.“
„I installed it because I heard it's much more secure than other cloud services!“
„App crashes very frequently“
„basically every time I try tapping one of my 2FA options“
What Reddit users discuss
Below are extracts from Reddit which discuss quality in more detail - each linked to the original thread.
„the last couple months have been awful...“
„constant disconnects and blocks on phones, tablets, and laptops.“
„I've used Proton VPN for 4-5 years and the last couple months have been awful...“
Cite this page
Citatio (2026). Proton Quality: customer reviews September 2026. Retrieved 18 August 2026 from https://citatio.ai/proton-reviews/quality/
Data verifiable via our public audit log: Methodology · Transparency