Bitwarden Authenticator vs Lumo AI by Proton
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bitwarden Authenticator
Generate secure verification codes for two-factor authentication on your device. This app supports any website or application using industry-standard TOTP, adding an extra layer of protection to your online accounts.
- Generate 2FA verification codes
- Supports TOTP standard
- Universal compatibility
- Simple, intuitive interface
- Adds extra layer of protection
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New from Bitwarden, provider of the password manager trusted by millions, Bitwarden Authenticator generates verification codes for two-factor authentication, ensuring your identity is verified when you log into accounts. Using industry-standards, Bitwarden Authenticator supports any website or application that uses TOTP. ADD AN EXTRA LAYER OF PROTECTION Generate verification codes to ensure your identity is verified, keeping your sensitive data out of reach of imposters. UNIVERSAL COMPATIBILITY Bitwarden Authenticator uses industry standard methods for verification code generation, so it will work with any website or application that utilizes time-based one-time passwords. EASY TO USE A simple, intuitive design and straightforward interface makes it easy to start incorporating authentication into your digital life Bitwarden empowers organizations to secure passwords, developer secrets, and passkeys. Visit Bitwarden.com to learn more about Bitwarden Password Manager, Bitwarden Secrets Manager and Bitwarden Passwordless.dev!
Lumo AI by Proton
This AI assistant prioritizes your privacy, offering help with productivity, curiosity, and staying informed. Developed by the team behind trusted encrypted services, it ensures your data remains secure.
- Privacy-first AI assistant
- Boost productivity
- Satisfy curiosity
- Stay informed
- Secure data handling
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Lumo is a zero-access encrypted AI assistant that keeps every conversation private. Your data is never logged, shared, or used to train models. Your chats are yours, and yours alone. Built by Proton, the privacy brand trusted by over 100 million people and the team behind Proton Mail, VPN, Drive, and Pass. THOUGHTFUL HELP FOR ANY TASK Lumo handles everything from quick questions to more complex work. Choose Fast for quick answers or Thinking for multi-step reasoning. FAST, POWERFUL WEB SEARCH Get precise, real-time answers in seconds. Lumo cites live sources so you can verify facts, dig deeper, and stay current on news, events, financial data, and more. CREATE AND REFINE IMAGES AND FILES Work with images and files just by telling Lumo what you need, from generating and editing images to analyzing documents. Connect your Proton Drive account for seamless access to stored files. AI THAT EVOLVES OVER TIME Lumo gets better every time you use it. Memory retains context and preferences across sessions, and you can set tones and styles to get the exact Lumo experience you want. STAY PRODUCTIVE AND ORGANIZED Projects give you dedicated encrypted spaces for tasks that span multiple chats, files, and instructions, while Custom Lumos let you create assistants tailored for specific tasks. Switch between light and dark modes for a more comfortable experience throughout the day. GHOST MODE For conversations where you want maximum privacy, choose Ghost Mode. Chats are instantly deleted once you close them for greater peace of mind. PRIVACY YOU CAN VERIFY Lumo is founded on zero-access encryption with no server-side chat logs, and never uses your data for profit or model training. Like all Proton products, Lumo is built and hosted in Europe and is fully open-source. Lumo helps you stay productive, curious, and informed — without ever compromising your privacy. Start a confidential chat for free today. For more information, visit our website: https://lumo.proton.me/about Terms of service: https://lumo.proton.me/legal/terms Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Our open-source code base: https://github.com/ProtonLumo/ios-lumo
Screenshots
Verdict
The clearest difference is in-app purchases: Bitwarden Authenticator at none against Lumo AI by Proton's 2. Bitwarden Authenticator also leads on iOS requirement (15.0 vs 17.6). Lumo AI by Proton's advantage is rating (3.8 vs 3.5) and chart position (#186 vs unranked). On price, review sentiment, update cadence and ads there is nothing between them.
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. Lumo AI by Proton sells 2 in-app purchases, starting at $12.99 per month. Bitwarden Authenticator asks for nothing beyond the download.
Lumo AI by Proton holds the better App Store score, 3.8 against 3.5. That said, the two scores are not equally well evidenced: Lumo AI by Proton has 525 ratings behind it against 95, so its average is the more settled of the two. Written reviews point the same way: 41% of Bitwarden Authenticator's written reviews are positive against 46% of Lumo AI by Proton's.
Bitwarden Authenticator ships an update fortnightly, Lumo AI by Proton every 11 days. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.
| Parameter | Bitwarden Authenticator | Lumo AI by Proton |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (95 ratings) | 3.8 (525 ratings) — better |
| Positive reviews | 41.3% of reviews | 45.6% of reviews — better |
| Number of ratings | 95 | 525 — better |
| Update frequency | Fortnightly | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Best chart rank | — | #186 — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 71 MB | 96 MB |
| Age rating | 4+ | 4+ |
| Developer | Bitwarden Inc | Proton AG |
Customer experience
Bitwarden Authenticator
Lumo AI by Proton
User reviews
Bitwarden Authenticator
From 95 App Store ratingsWhat we love
- 👍 Good start
- 🚀 Supports export and import
- 🔒 Backed by a trusted company
- 💡 Dedicated authenticator app
Room to improve
- 🐛 Crashes on launch
- 🐛 Search function not working
- 🐛 Backup not working as expected
- 🐛 Compatibility issues with older devices
Lumo AI by Proton
From 525 App Store ratingsWhat we love
- 👍 Sophisticated knowledge base
- 🚀 Rapid evolution with quality
- 💡 Potential for vision-enabled model
Room to improve
- 🐛 Inability to answer basic questions
- 🔒 Privacy concerns with data processing
- 🐛 Inconsistent responses
- 🐛 Frequent sign-outs
- 🐛 Dark mode issues
Bugs and requests
Bitwarden Authenticator
Reported bugs
3 issues- Search results showing placeholder codes
- Backup not restoring codes after device restore
- Crashes after app updates
Requested features
5 requests- Add icons for services
- Allow rearranging of entries
- Implement iCloud/cloud sync
- Add Apple Watch support
- Require biometric authentication on each app open
Lumo AI by Proton
Reported bugs
2 issues- Slow sign-in page
- Lack of real-time data access
Requested features
5 requests- Dynamic Type support for adjustable font size
- Secure access to Proton Drive files
- Ghost mode to ensure no chat history is saved
- Intuitive history clearing option
- App mode
In-app purchases
Bitwarden Authenticator
No in-app purchases
Lumo AI by Proton
- Lumo Plus (1 month)$12.991 Month
- Lumo Plus (12 months)$119.991 Year
Questions
Is Bitwarden Authenticator free?
Is Lumo AI by Proton free?
Which has better reviews, Bitwarden Authenticator or Lumo AI by Proton?
Do Bitwarden Authenticator or Lumo AI by Proton have ads?
Which is updated more often, Bitwarden Authenticator or Lumo AI by Proton?
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