2FA Authenticator (2FAS) vs mLogBook
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
2FA Authenticator (2FAS)
This app provides an easy and secure way to enable two-factor authentication for your online accounts. It offers features like token restoration, biometric protection, and offline functionality to keep your personal data and passwords safe from cyber threats.
- Two-factor authentication
- Token backup and restore
- Biometric app protection
- Open-source and transparent
- Cross-device sync
- Offline functionality
Read full descriptionHide full description
2FAS is the easiest way to enable two-factor authentication (or multi-factor authentication) to verify your identity and securely log in to accounts to keep your personal data and passwords protected from cyber threats — all from one app, 100% free! The world’s most secure, private, and simple 2FA app. Secure: • Easily restore your tokens with backups. • Add app protection with your passcode or biometrics. • 2FAS is open-source, transparent, and community-driven. Simple: • 2FAS syncs across your mobile devices. • An interface designed for simplicity. • One-tap authentication with 2FAS Browser Extensions. • Multi-language support. • Quick guides for setup and support. Private: • 2FAS works offline. • 2FAS doesn't store any passwords or metadata. • 100% anonymous use, no account required. It’s not too late to protect your data, so what are you waiting for? Protect your online accounts and services now with TOTP and HOTP algorithms. Start using the 2FAS authenticator app today! If you have any questions, talk with us on our Discord server: https://discord.gg/q4cP6qh2g5 Learn more about 2FAS: • Check our GitHub repository: https://github.com/twofas • Visit our website at: https://2fas.com/ • Follow us on X: https://x.com/2FAS_com • Subscribe on YouTube: https://www.youtube.com/@2FAS
mLogBook
Read full descriptionHide full description
mLogBook allows the management of a fleet of aircraft of an association/school of aircraft pilots. It facilitates the insertion of all the movements of each individual aircraft. In the Statistics area it is possible to know the summary of each individual pilot with the activities carried out on each individual aircraft. It is possible to search for activities by Pilot for a single aircraft and by Instructor by combining the search parameters as desired, it is clearly also possible to define a time interval for which you wish to carry out the search. The TAP in the 'Pilot' field above provides the summary grouped by aircraft of the selected pilot, in case no pilot is chosen the summary concerns the entire volitional activity of the organization. It is possible to export the searched flights with the GO button using the clipboard, after the export it is possible to use any tool, email, WhatsApp, eta to transfer the contents of the clipboard to another mLogBook user, received simply copy the message containing the export into the clipboard and use the mLogBook Import function and import all the flying activity onto the new mLogBook. To choose the Pilot, the Aircraft and the Instructor in each form there is a quick selection button among those already inserted in mLogBook, for the new ones it is sufficient to insert them only the first time in the appropriate field.
Screenshots
Verdict
The clearest difference is price: 2FA Authenticator (2FAS) at Free against mLogBook's $9.99. mLogBook's advantage is iOS requirement (15.0 vs 18.6). On update cadence, ads, in-app purchases and device support 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
2FA Authenticator (2FAS) is free to download; mLogBook costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
2FA Authenticator (2FAS) ships an update monthly, mLogBook every 5 weeks. The most recent releases landed on November 7, 2026 and October 27, 2026 respectively.
| Parameter | 2FA Authenticator (2FAS) | mLogBook |
|---|---|---|
| Price | Free — better | $9.99 |
| Rating | 4.7 (36K ratings) — better | — |
| Positive reviews | 77.4% of reviews | — |
| Number of ratings | 36K — better | — |
| Update frequency | Monthly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPod |
| Requires iOS | 18.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 81 MB | 10 MB |
| Age rating | 4+ | 17+ |
| Developer | Two Factor Authentication Service Inc. | G-Mobile |
Bugs and requests
2FA Authenticator (2FAS)
Reported bugs
3 issues- Tokens disappearing after device changes
- Push notification failures
- Incompatibility with older devices
Requested features
5 requests- Alphanumeric passcode option
- Custom icon uploads
- Apple Watch app
- Desktop/web app
- Improved support and communication
mLogBook
Not enough reviews yet to summarise bugs or requests.
In-app purchases
2FA Authenticator (2FAS)
No in-app purchases
mLogBook
No in-app purchases
Questions
Is 2FA Authenticator (2FAS) free?
Is mLogBook free?
Do 2FA Authenticator (2FAS) or mLogBook have ads?
Which is updated more often, 2FA Authenticator (2FAS) or mLogBook?
Other comparisons















