# Authenticator+ vs OTP.MS

The clearest difference is ads: OTP.MS at none against Authenticator+'s shown. OTP.MS also leads on update cadence (every 3 weeks vs every 16 months). Authenticator+'s advantage is iOS requirement (13.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

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

Authenticator+ ships an update every 16 months, OTP.MS every 3 weeks. The most recent releases landed on September 10, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Authenticator+ | OTP.MS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/otpms/id6477749196/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 16 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 20 MB | 25 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Studio Fifteen](https://appshunter.io/developer/1470310980) | [RyanTech Cloud Services LLC](https://appshunter.io/developer/1481410528) |

## What reviewers say

### Authenticator+

[App page](https://appshunter.io/ios/app/authenticator-plus/id1534054410)

**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 Authenticator+ free?

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.

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

Authenticator+ shows ads; OTP.MS does not.

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

Authenticator+ ships an update every 16 months, and OTP.MS every 3 weeks. Most recently, Authenticator+ was updated on September 10, 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.*