TOTP Authenticator vs LinOTP Authenticator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TOTP Authenticator
Generate 6-digit time-based one-time passwords (TOTP) for two-factor authentication. Easily set up 2FA by scanning QR codes or entering secret keys. Includes tutorials for over 100 websites.
- Generates 6-digit TOTP codes
- Supports two-factor authentication (2FA)
- QR code scanning for setup
- Manual secret key entry
- Over 100 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
LinOTP Authenticator
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Use LinOTP Authenticator to secure your accounts with two-step authentication by generating verification codes to access your accounts. Two-step authentication provides an extra level of security for your accounts because every new verification code generated by LinOTP Authenticator is uniquely valid for a single sign in request only. LinOTP Authenticator is compatible with most of your accounts already as it supports standard TOTP and HOTP security algorithms. However, it works best with LinOTP, the enterprise-level 2FA solution. See https://linotp.de for more information. Features: * Generate verification codes offline * Edit your verification accounts * LinOTP Authenticator works with most providers and accounts * Biometric app lock * Simple QR code setup Permission notice: Camera: LinOTP Authenticator will ask you for the camera permission if you want to add accounts using the QR code scanner functionality.Use LinOTP Authenticator to secure your accounts with two-step authentication
Screenshots
Verdict
The clearest difference is in-app purchases: LinOTP Authenticator at none against TOTP Authenticator's 4. LinOTP Authenticator also leads on iOS requirement (13.0 vs 15.0). TOTP Authenticator's advantage is update cadence (every 3 weeks vs every 8 months) and device support (5 vs 3). 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. LinOTP Authenticator asks for nothing beyond the download.
TOTP Authenticator ships an update every 3 weeks, LinOTP Authenticator every 8 months. The most recent releases landed on November 13, 2026 and November 7, 2026 respectively.
| Parameter | TOTP Authenticator | LinOTP Authenticator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (188 ratings) — better | — |
| Positive reviews | 64.1% of reviews | — |
| Number of ratings | 188 — better | — |
| Update frequency | Every 3 weeks — better | Every 8 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Mac, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 33 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Sparrow Code LTD | KeyIdentity GmbH |
In-app purchases
TOTP Authenticator
- TOTP PRO for a Week7 Days trial$5.997 Days
- TOTP PRO for a Month7 Days trial$9.991 Month
- TOTP PRO for a Year7 Days trial$59.991 Year
- TOTP PRO Forever$79.99
LinOTP Authenticator
No in-app purchases
Questions
Is TOTP Authenticator free?
Is LinOTP Authenticator free?
Do TOTP Authenticator or LinOTP Authenticator have ads?
Which is updated more often, TOTP Authenticator or LinOTP Authenticator?
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