# Rainbow Authenticator vs Authenticator App

The clearest difference is iOS requirement: Rainbow Authenticator at 12.0 against Authenticator App's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Rainbow Authenticator sells 1 in-app purchase, starting at $4.99 per year and Authenticator App sells 6 in-app purchases, starting at $4.19 per 7 days. Whichever you choose, the download price is not the number that matters.

Rainbow Authenticator ships an update monthly, Authenticator App every 2 weeks. The most recent releases landed on September 19, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Rainbow Authenticator | Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (86 ratings)](https://appshunter.io/ios/app/authenticator-app-2fa-otp/id6480513197/reviews)** |
| Number of ratings | — | **86** |
| Positive reviews | — | 28.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 32 MB | 106 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [彦欣 吴](https://appshunter.io/developer/1628212399) | [Tatsat Brahmbhatt](https://appshunter.io/developer/1692901637) |

## What reviewers say

### Rainbow Authenticator

[App page](https://appshunter.io/ios/app/rainbow-authenticator/id6444103637)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly(30-day trial) | $4.99 | per year |


### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-otp/id6480513197)

Secure your online accounts with this 2FA OTP manager. It offers easy account setup via QR code scanning or manual entry, and enhances security with biometric authentication. All one-time passwords are stored locally on your device for increased protection.

**Highlights:** 2FA OTP management, QR code scanning for account setup, Manual code entry, Biometric unlock (fingerprint/face recognition), Local storage of OTPs, Supports numerous platforms

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.19 | per 7 days |
| Weekly | $9.99 | per 7 days |
| Yearly | $29.49 | per year |
| Yearly | $53.90 | per year |
| Lifetime | $59.99 | one-time |
| Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is Rainbow Authenticator free?

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

### Is Authenticator App free?

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

### Do Rainbow Authenticator or Authenticator App have ads?

Neither Rainbow Authenticator nor Authenticator App shows ads.

### Which is updated more often, Rainbow Authenticator or Authenticator App?

Rainbow Authenticator ships an update monthly, and Authenticator App every 2 weeks. Most recently, Rainbow Authenticator was updated on September 19, 2026 and Authenticator App on October 2, 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.*