Open Authenticator vs TOTP Authenticator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Open Authenticator
This application generates secure, time-based one-time passwords for authentication. Its open-source code is community-reviewed, ensuring no backdoors and consistent TOTP compliance for robust security.
- HMAC-based One-time Password generation
- TOTP compliance
- Completely open-source code
- Community supervised
- No backdoor security
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The HMAC-based One-time Password used by Open Authenticator for production is completely consistent with TOTP. The application code is completely open source, supervised by the community, and is an Authenticator with no backdoor security.
TOTP Authenticator
This app generates time-based one-time passwords (TOTP) for enhanced account security. It supports two-factor authentication (2FA) by providing 6-digit codes required by many websites and services for login. The app includes extensive tutorials to guide users through setting up 2FA with various platforms.
- Generates 6-digit TOTP codes
- Supports two-factor authentication (2FA)
- QR code scanning for setup
- Manual secret key entry
- Over 100 step-by-step setup tutorials
- Privacy focused
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TOTP Authenticator generates 6-digit TOTP codes. Websites (or example Arbeitsagentur, NextCloud etc.) request these codes. This security feature is called two factor authentication or 2FA. How to sign in using TOTP? 1. Go to the “Security” section 2. Enable TOTP login 3. Scan the QR code or copy the secret key into your Authenticator 4. Done — 2FA is now enabled. From now on, you’ll need to enter a TOTP code from the Authenticator app whenever you log in The app also includes over 100 step-by-step tutorials with screenshots showing how to set up TOTP for various websites. Privacy Policy: https://totp-authenticator.com/privacy-policy/appstore Terms of Use: https://totp-authenticator.com/terms-of-use/appstore
Screenshots
Verdict
The clearest difference is in-app purchases: Open Authenticator at none against TOTP Authenticator's 4. Open Authenticator also leads on review sentiment (100% vs 66%) and rating (5.0 vs 4.7). TOTP Authenticator's advantage is ratings volume (174 vs 1) and device support (5 vs 2). On price 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. TOTP Authenticator sells 4 in-app purchases, starting at $5.99 per 7 days. Open Authenticator asks for nothing beyond the download.
Open Authenticator holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: TOTP Authenticator has 174 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Open Authenticator's written reviews are positive against 66% of TOTP Authenticator's.
| Parameter | Open Authenticator | TOTP Authenticator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.7 (174 ratings) |
| Positive reviews | 100.0% of reviews — better | 66.2% of reviews |
| Number of ratings | 1 | 174 — better |
| Update frequency | — | Every 11 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod, Mac, Apple Watch — better |
| Requires iOS | 12.1 — better | 15.0 |
| Further details — not scored | ||
| Size | 24 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Odroe Inc. | Sparrow Code LTD |
Customer experience
Open Authenticator
TOTP Authenticator
In-app purchases
Open Authenticator
No in-app purchases
TOTP Authenticator
- TOTP OTP Codes (1 week)7 Days trial$5.997 Days
- TOTP OTP Codes (1 month)7 Days trial$9.991 Month
- TOTP OTP Codes (1 year)7 Days trial$59.991 Year
- Unlimited TOTP OTP Codes$79.99
Questions
Is Open Authenticator free?
Is TOTP Authenticator free?
Which has better reviews, Open Authenticator or TOTP Authenticator?
Do Open Authenticator or TOTP Authenticator have ads?
Other comparisons
