Proton Pass vs zdo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Proton Pass
Securely store and autofill your passwords, generate 2FA codes, and create email aliases to protect your online identity. This free, open-source password manager offers end-to-end encryption and is protected by Swiss privacy laws.
- Autofill logins
- Unlimited password storage
- 2FA code generation
- Email alias creation
- Data breach monitoring
- Secure sharing
- End-to-end encryption
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Get Proton Pass, the free password manager created by the team behind Proton Mail. It’s open source, end-to-end encrypted, and protected by Swiss privacy laws. Secure your online identity with Proton Pass. Pass has no ads or data collection and is free forever on all your devices. Create and store unlimited passwords on unlimited devices, autofill logins, generate 2FA codes, create email aliases, and more. WITH PROTON PASS YOU CAN: • Sign in faster with Proton Pass autofill: You no longer need to copy and paste your username and password with our advanced autofill technology. • Store and auto-sync unlimited logins on unlimited devices: Create, store, and manage your credentials from anywhere with our browser extension and mobile apps. • Share any data stored in Proton Pass securely: Share passwords, usernames, credit cards and notes securely with trusted contacts. Your data stays end-to-end encrypted, and you can revoke access anytime. • Enhance your online security: Identify vulnerable accounts with Data Breach Monitoring and Password Health. • Access your data from anywhere, on any device, with seamless synchronization across all your platforms." • Protect your online identity: Whenever you sign up for a new online account, automatically create an alias to keep your actual email address protected. • Add security layers to your accounts: Protect your account with 2FA authentication and custom PIN protection. Activate Proton Sentinel for advanced security against hackers. PROTON PASS FEATURES INCLUDE: • Built in password generator: Generate unlimited secure passwords and safely store them for all your accounts. Avoid weak passwords and never worry about forgetting the complex passwords again. • Built in 2FA authenticator: Enhance your accounts security with 2FA codes, easily generated within the app for any website and autofill when you log in. • Secure Vaults: Organize & share login information, payment details and notes into secure vaults, which you can share with family, friends, or co-workers. • Email Aliases: With Hide-my-email feature, protect your identity by creating email aliases, preventing your personal email address from being disclosed or leaked. • Credit Card Support: Securely store your credit card details for quick access. • Pass Monitor: Identifies weak or reused passwords, inactive 2FA fields and sends immediate alerts on data leaks with dark web monitoring. • End-to-End Encryption: All your login data is protected with end-to-end encryption, ensuring that only you can access it. • Biometric Login Access: Add an extra layer of security to Proton Pass by using your fingerprint or face to unlock the app. • Spotlight Search: Easily find your information, with one click via iPhone Spotlight Search. • Bookmark items: Pin frequently needed items to the top of your Proton Pass app and browser extension to easily find them. • Bulk edition: Activate bulk edition to handle items in a hassle-free way. • Item history: Keep track of your item changes with item history, knowing when you last changed any login information. • Encrypted Notes: Safely store sensitive information within the app, accessible only to you. • Offline Access: Access your stored passwords and notes in Pass from anywhere, even when your device has no internet connection. • Open Source: Trust is built on transparency. Proton Pass is open source, allowing you to verify our security claims for yourself, like all Proton services. • Easily import passwords: Easily import passwords from any password manager or CSV file. • No Ads or Data Collection For more information, visit: https://proton.me/pass Our open-source code base: https://github.com/protonpass/ios-pass Terms of service: https://proton.me/legal/terms Learn more about Proton: https://proton.me
zdo
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zdo brings your tasks, projects, notes, and everyday lists into one place. Plan your day, organize a project, or capture an idea before it slips away. PLAN YOUR WAY See your tasks in a list, on a board, or in a calendar. Use projects, sections, tags, and subtasks to organize the details. Drag your projects into the order that suits you. Keep recurring tasks on schedule and focus on what needs your attention today. KEEP IDEAS CLOSE Write notes with Markdown and link them to your tasks. Keep plans, reference material, and the next steps together. MAKE EVERYDAY LISTS Create quick lists for groceries, packing, errands, and anything else you want to check off. Each list gets the whole screen, and the next item is always one tap away. MOVE BETWEEN DEVICES Use zdo on iPhone, iPad, and Mac. Sync your workspace through your private iCloud account and pick up where you left off. ONE SUBSCRIPTION zdo Pro unlocks all features across iPhone, iPad, and Mac. Choose a monthly or annual subscription. Eligible new subscribers receive a 14-day free trial. After your trial or subscription ends, your existing work remains available to read and export. Payment is charged to your Apple Account. Subscriptions renew automatically unless cancelled at least 24 hours before the current period ends. You can manage or cancel your subscription in your App Store account settings. Privacy Policy: https://sanluh.github.io/zdo-website/privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
Proton Pass and zdo are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Proton Pass sells 2 in-app purchases, starting at $35.90 per year and zdo sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on November 10, 2026 and November 6, 2026 respectively.
| Parameter | Proton Pass | zdo |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (9K ratings) — better | — |
| Positive reviews | 67.6% of reviews | — |
| Number of ratings | 9K — better | — |
| Update frequency | Fortnightly | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 266 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Proton AG | Santeri Luhtala |
Bugs and requests
Proton Pass
Reported bugs
4 issues- Access token issues
- Freezing and crashing
- Compatibility problems with certain apps and websites
- Randomly logging out users
Requested features
8 requests- Ability to share passwords with non-Pass users
- Password strength indicator
- Passkey login support
- Easier password generator access
- More formatting options for notes
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- Support for storing documents and cards
- Safari extension
- Desktop app
zdo
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Proton Pass
- Pass Plus (12 months)$35.901 Year
- Proton Unlimited 12 months$119.991 Year
zdo
- zdo Pro Monthly14 Days trial$2.991 Month
- zdo Pro Annual14 Days trial$24.991 Year







