# Rainbow Authenticator vs AuthONE Authenticator

The clearest difference is iOS requirement: Rainbow Authenticator at 12.0 against AuthONE Authenticator's 16. 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 AuthONE Authenticator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Rainbow Authenticator ships an update monthly, AuthONE Authenticator every 2 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Rainbow Authenticator | AuthONE Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/authone-authenticator/id6467347432/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 32 MB | 27 MB |
| Requires iOS | **12.0** | 16 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [彦欣 吴](https://appshunter.io/developer/1628212399) | [启敬 陈](https://appshunter.io/developer/1708416827) |

## 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 |


### AuthONE Authenticator

[App page](https://appshunter.io/ios/app/authone-authenticator/id6467347432)

This app provides secure, encrypted storage and offline generation of two-factor authentication codes. It offers encrypted backups, cross-device synchronization, and easy import from other services. It also includes a browser extension for quick and secure code filling on websites.

**Highlights:** Secure & Private Data Storage, Encrypted Backup & Restore, Cross-Device Synchronization, Offline Code Generation, Browser Extension Integration, Multi-Account Import, Support for Popular Services

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $2.99 | one-time |


## Frequently asked questions

### Is Rainbow Authenticator free?

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

### Is AuthONE Authenticator free?

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

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

Neither Rainbow Authenticator nor AuthONE Authenticator shows ads.

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

Rainbow Authenticator ships an update monthly, and AuthONE Authenticator every 2 months. Most recently, Rainbow Authenticator was updated on November 7, 2026 and AuthONE Authenticator on November 3, 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.*