10 Apps With the Best Privacy Policies in 2026
After analyzing over 500 privacy policies with Nudam's 6-criteria scoring system, we found that most apps score between C and D — meaning average to poor privacy practices. But a handful of apps stand out with genuinely excellent policies. Here are the top 10, ranked by their Nudam score.
1. Signal — Grade A (9.4/10)
Signal collects almost nothing. Phone contacts are processed using a cryptographic hashing protocol — Sealed Sender — so Signal's servers never see your contacts in plaintext. No metadata is retained beyond what's needed for message delivery. No ads, no tracking, no analytics. Their entire privacy policy is around 800 words, refreshingly short because there's genuinely very little to disclose. Fully open-source code means every claim can be independently verified.
2. Proton Mail — Grade A (9.2/10)
Proton's zero-access encryption architecture means they literally cannot read your emails — even if compelled by a court order. Based in Switzerland with some of the strongest privacy laws in the world. Clear data retention policies, straightforward account deletion, and zero third-party data sharing for advertising. Funded entirely by paying users, not advertisers.
3. Brave Browser — Grade A (9.0/10)
Brave blocks trackers and ads by default, and their privacy policy genuinely reflects this product philosophy. Minimal data collection, no browsing history sent to servers, and Brave Rewards data is processed entirely on-device using a zero-knowledge proof system. The policy is clear, well-structured, and honest about the few things they do collect.
4. DuckDuckGo — Grade B (8.7/10)
No search history stored. No user profiles built. No cross-site tracking. DuckDuckGo's privacy policy is a masterclass in clarity — short, written in plain language, free of legal jargon. Minor score deduction for collecting some anonymous aggregate analytics (search result click patterns), but even this data cannot be linked to individual users.
5. Mullvad VPN — Grade B (8.5/10)
Mullvad doesn't require an email, a name, or even a payment method that identifies you — you can pay with cash mailed in an envelope. They generate a random account number; that's your entire identity. External security audits consistently confirm their no-logging claims. Slight deduction for limited transparency about hosting infrastructure partners.
6. Standard Notes — Grade B (8.3/10)
End-to-end encrypted notes with a privacy-first design philosophy. Clear data handling practices, specific retention periods documented, and easy data export and account deletion. Open-source codebase with published security audit results. A strong example of how a notes app should handle user data.
7. Bitwarden — Grade B (8.1/10)
Your passwords are encrypted locally on your device before ever reaching Bitwarden's servers. They genuinely cannot access your vault contents. Clear security documentation, SOC 2 Type II certification, and transparent disclosure about exactly what metadata they can see (which is very little). Third-party security audits are published publicly.
8. Tutanota (Tuta) — Grade B (7.8/10)
Germany-based encrypted email provider. No IP address logging, encrypted calendars and contacts included, and a privacy policy that is straightforward about both capabilities and limitations. Score slightly lower than Proton due to some vague language around data retention periods for server logs.
9. Firefox — Grade B (7.5/10)
Mozilla collects telemetry data by default (with an opt-out toggle readily available), but is unusually transparent about exactly what that telemetry includes. No browsing history is stored on Mozilla's servers. Strong anti-tracking features built into the browser. The privacy policy clearly reflects Mozilla's nonprofit mission and commitment to user privacy.
10. Tresorit — Grade B (7.3/10)
Swiss-headquartered encrypted cloud storage. Zero-knowledge encryption means Tresorit cannot access your files. GDPR-compliant with published data processing agreements. Some points deducted for sharing operational data with "trusted service providers" for business functions like payment processing and customer support.
What the best apps have in common
The pattern across all ten is remarkably consistent. End-to-end encryption as a core architectural feature, not an optional add-on. Minimal data collection — they only request what they genuinely need to operate. Short, clear privacy policies under 2,000 words. A business model funded by subscriptions or donations rather than advertising. Open-source code that lets anyone verify their claims. And regular third-party security audits providing independent verification.
If an app has all six of these characteristics, it will almost certainly score B or above on Nudam.
Check any app's privacy score
Want to see how your favorite apps score? Browse privacy scores for hundreds of analyzed sites at nudam.app/scores, or install the free Nudam Chrome extension to analyze any site in real time.
Scores are generated by Nudam's AI analysis. Rankings may change as policies are updated. Learn about our scoring methodology at nudam.app/methodology.