# Mobile OTP Authenticator vs TOTP Authenticator

The clearest difference is rating: TOTP Authenticator at 4.7 against Mobile OTP Authenticator's 3.5. TOTP Authenticator also leads on update cadence (every 11 days vs every 8 months) and ratings volume (174 vs 2). Mobile OTP Authenticator's advantage is in-app purchases (none vs 4) and review sentiment (100% vs 66%). On price, ads and iOS requirement there is nothing between them.

Both are free to download. TOTP Authenticator sells 4 in-app purchases, starting at $5.99 per 7 days. Mobile OTP Authenticator asks for nothing beyond the download.

TOTP Authenticator holds the better App Store score, 4.7 against 3.5. That said, the two scores are not equally well evidenced: TOTP Authenticator has 174 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 100% of Mobile OTP Authenticator's written reviews are positive against 66% of TOTP Authenticator's, so the app with the better star average is not the one people write more warmly about.

Mobile OTP Authenticator ships an update every 8 months, TOTP Authenticator every 11 days. The most recent releases landed on September 28, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Mobile OTP Authenticator | TOTP Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/mobile-otp-authenticator/id1451459963/reviews) | **[4.7 (174 ratings)](https://appshunter.io/ios/app/totp-authenticator/id1625641322/reviews)** |
| Number of ratings | 2 | **174** |
| Positive reviews | **100.0% of reviews** | 66.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 11 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 24 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Albert Parti](https://appshunter.io/developer/534966701) | [Sparrow Code LTD](https://appshunter.io/developer/1617623165) |

## What reviewers say

### Mobile OTP Authenticator

[App page](https://appshunter.io/ios/app/mobile-otp-authenticator/id1451459963)

Securely manage your two-factor authentication codes. Easily add accounts by scanning QR codes or manual entry. Protect your online accounts with industry-standard HOTP and TOTP algorithms.

**Highlights:** QR code scanning for account setup, Manual account entry, Secure data storage in iOS Keychain, Supports HOTP and TOTP algorithms, Works with popular services like Google, Facebook, Amazon

**In-app purchases:** none


### TOTP Authenticator

[App page](https://appshunter.io/ios/app/totp-authenticator/id1625641322)

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.

**Highlights:** 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

**Features:** Apple Watch app

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TOTP OTP Codes (1 week) | $5.99 | per 7 days |
| TOTP OTP Codes (1 month) | $9.99 | per month |
| TOTP OTP Codes (1 year) | $59.99 | per year |
| Unlimited TOTP OTP Codes | $79.99 | one-time |


## Frequently asked questions

### Is Mobile OTP Authenticator free?

Mobile OTP Authenticator is free to download, with no in-app purchases.

### Is TOTP Authenticator free?

TOTP Authenticator is free to download, with in-app purchases available.

### Which has better reviews, Mobile OTP Authenticator or TOTP Authenticator?

TOTP Authenticator is rated higher. Mobile OTP Authenticator averages 3.5 out of 5 from 2 ratings, while TOTP Authenticator averages 4.7 from 174 ratings.

### Do Mobile OTP Authenticator or TOTP Authenticator have ads?

Neither Mobile OTP Authenticator nor TOTP Authenticator shows ads.

### Which is updated more often, Mobile OTP Authenticator or TOTP Authenticator?

Mobile OTP Authenticator ships an update every 8 months, and TOTP Authenticator every 11 days. Most recently, Mobile OTP Authenticator was updated on September 28, 2026 and TOTP Authenticator on October 13, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*