# Thetis Tools vs Authy Authenticator

The clearest difference is in-app purchases: Thetis Tools at none against Authy Authenticator's 3. Thetis Tools also leads on iOS requirement (14.0 vs 16). Authy Authenticator's advantage is update cadence (every 3 months vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. Authy Authenticator sells 3 in-app purchases, starting at $9.99 per 7 days. Thetis Tools asks for nothing beyond the download.

Thetis Tools ships an update every 7 months, Authy Authenticator every 3 months. The most recent releases landed on September 10, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Thetis Tools | Authy Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (195 ratings)](https://appshunter.io/ios/app/authy-authenticator/id1554760348/reviews)** |
| Number of ratings | — | **195** |
| Positive reviews | — | 56.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 50 MB | 20 MB |
| Requires iOS | **14.0** | 16 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Thetis srl](https://appshunter.io/developer/397584184) | [Appios Bilisim](https://appshunter.io/developer/1796567865) |

## What reviewers say

### Thetis Tools

[App page](https://appshunter.io/ios/app/thetis-tools/id1460268980)

**Features:** macOS Compatibility

**In-app purchases:** none


### Authy Authenticator

[App page](https://appshunter.io/ios/app/authy-authenticator/id1554760348)

Secure your online accounts with this Two-Factor Authentication (2FA) app. It generates time-based one-time passwords (TOTP) and offers encrypted backups, multi-device sync, and offline access. Protect your accounts from unauthorized access with robust security features.

**Highlights:** Encrypted iCloud Backup, Apple Watch Support, Multi-Device Sync, Offline Access, Biometric & PIN Lock, Quick Setup, TOTP Security

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription Plans | $9.99 | per 7 days |
| Monthly Subscription Plans | $14.99 | per month |
| Yearly Subscription  Plans | $49.99 | per year |


## Frequently asked questions

### Is Thetis Tools free?

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

### Is Authy Authenticator free?

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

### Do Thetis Tools or Authy Authenticator have ads?

Neither Thetis Tools nor Authy Authenticator shows ads.

### Which is updated more often, Thetis Tools or Authy Authenticator?

Thetis Tools ships an update every 7 months, and Authy Authenticator every 3 months. Most recently, Thetis Tools was updated on September 10, 2026 and Authy Authenticator on September 22, 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.*