# ISign+ OTP vs AnyAUTH

The clearest difference is update cadence: AnyAUTH at monthly against ISign+ OTP's every 10 months. ISign+ OTP's advantage is review sentiment (25% vs 13%) and iOS requirement (8.0 vs 15). On price, ads, in-app purchases and monetization model there is nothing between them.

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

ISign+ OTP ships an update every 10 months, AnyAUTH monthly. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | ISign+ OTP | AnyAUTH |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/anyauth/id1487058080/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **25.0% of reviews** | 13.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Monthly** |
| Monetization | Free | Free |
| Size | 2 MB | 62 MB |
| Requires iOS | **8.0** | 15 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Penta Security Inc.](https://appshunter.io/developer/919437580) | [MIRAE Technolog Co.Ltd.](https://appshunter.io/developer/439616668) |

## What reviewers say

### ISign+ OTP

[App page](https://appshunter.io/ios/app/isign-plus-otp/id919437581)

This security application generates one-time passwords for enhanced user authentication during login. It provides secure, unique passwords for each login, ensuring access from anywhere. Features include offline OTP generation and application locking.

**Highlights:** Generates OTP without data connection, Supports multiple OTP registrations, Includes application lock function, Secure login authentication, Offline password generation

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### AnyAUTH

[App page](https://appshunter.io/ios/app/anyauth/id1487058080)

This mobile security service uses OTP and FIDO biometric authentication for personal verification on your device. It protects your personal information from security incidents like password hacking, data breaches, and identity theft.

**Highlights:** OTP authentication, FIDO biometric authentication, Personal authentication, Mobile security, Protection against hacking, Protection against data theft

**In-app purchases:** none


## Frequently asked questions

### Is ISign+ OTP free?

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

### Is AnyAUTH free?

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

### Do ISign+ OTP or AnyAUTH have ads?

Neither ISign+ OTP nor AnyAUTH shows ads.

### Which is updated more often, ISign+ OTP or AnyAUTH?

ISign+ OTP ships an update every 10 months, and AnyAUTH monthly. Most recently, ISign+ OTP was updated on October 8, 2026 and AnyAUTH on October 16, 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.*