# Rainbow Authenticator vs App for Google Authenticator ®

The clearest difference is update cadence: App for Google Authenticator ® at every 2 weeks against Rainbow Authenticator's monthly. App for Google Authenticator ® also leads on device support (5 vs 3). Rainbow Authenticator's advantage is iOS requirement (12.0 vs 15.0). On price, 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 App for Google Authenticator ® sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Rainbow Authenticator ships an update monthly, App for Google Authenticator ® every 2 weeks. The most recent releases landed on September 19, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Rainbow Authenticator | App for Google Authenticator ® |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (249 ratings)](https://appshunter.io/ios/app/app-for-google-authenticator/id6479869138/reviews)** |
| Number of ratings | — | **249** |
| Positive reviews | — | 17.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | — | Subscription |
| Size | 32 MB | 18 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [彦欣 吴](https://appshunter.io/developer/1628212399) | [ROCKET TECHNOLOGY INC.](https://appshunter.io/developer/1737330934) |

## 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 |


### App for Google Authenticator ®

[App page](https://appshunter.io/ios/app/app-for-google-authenticator/id6479869138)

Secure your online accounts with this app, offering robust verification for Google, Facebook, and more. Features include data import, anti-snooping protection, and multiple account adding methods for streamlined management.

**Highlights:** Google account verification, Import data from Google Authenticator, Supports mainstream accounts (Facebook, Twitter, etc.), Anti-snooping screen saver, Quick account adding via QR code, Multiple adding methods (scan, upload, manual), Top frequently used accounts

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week Subscription | $4.99 | per 7 days |
| Year Subscription | $39.99 | per year |
| Lifetime | $69.99 | one-time |

**What reviewers like**

- 🚀 Good
- 🔒 Worried Free
- 👍 Satisfied Customer
- 👍 Best free Authenticator
- 👍 Awesome!!!!

**What reviewers complain about**

- 🐛 Quite disappointed
- 🐛 Awful
- 🐛 Garbage
- 🐛 Doesn't work
- 🐛 Hidden Fees

**Reported bugs**

- Login screen freezes
- Incompatible with older devices

**Requested features**

- Dark mode option
- Advanced analytics dashboard


## Frequently asked questions

### Is Rainbow Authenticator free?

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

### Is App for Google Authenticator ® free?

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

### Do Rainbow Authenticator or App for Google Authenticator ® have ads?

Neither Rainbow Authenticator nor App for Google Authenticator ® shows ads.

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

Rainbow Authenticator ships an update monthly, and App for Google Authenticator ® every 2 weeks. Most recently, Rainbow Authenticator was updated on September 19, 2026 and App for Google Authenticator ® on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*