# Mobile OTP Authenticator vs OTP.MS

The clearest difference is rating: OTP.MS at 5.0 against Mobile OTP Authenticator's 3.5. OTP.MS also leads on update cadence (every 3 weeks vs every 8 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OTP.MS holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Mobile OTP Authenticator ships an update every 8 months, OTP.MS every 3 weeks. The most recent releases landed on June 9, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Mobile OTP Authenticator | OTP.MS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/mobile-otp-authenticator/id1451459963/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/otpms/id6477749196/reviews)** |
| Number of ratings | 2 | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 2 MB | 25 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Albert Parti](https://appshunter.io/developer/534966701) | [RyanTech Cloud Services LLC](https://appshunter.io/developer/1481410528) |

## 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


### OTP.MS

[App page](https://appshunter.io/ios/app/otpms/id6477749196)

This app generates secure one-time passwords for accessing shared corporate resources. It's designed for team environments to provide quick and reliable access to company accounts.

**Highlights:** One-time password generation, Secure access to corporate accounts, Team environment focused, Robust and reliable system, Quick employee access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mobile OTP Authenticator free?

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

### Is OTP.MS free?

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

### Which has better reviews, Mobile OTP Authenticator or OTP.MS?

OTP.MS is rated higher. Mobile OTP Authenticator averages 3.5 out of 5 from 2 ratings, while OTP.MS averages 5.0 from 2 ratings.

### Do Mobile OTP Authenticator or OTP.MS have ads?

Neither Mobile OTP Authenticator nor OTP.MS shows ads.

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

Mobile OTP Authenticator ships an update every 8 months, and OTP.MS every 3 weeks. Most recently, Mobile OTP Authenticator was updated on June 9, 2026 and OTP.MS on June 4, 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.*