# FEITIAN Authenticator vs Thetis Authenticator

The clearest difference is review sentiment: Thetis Authenticator at 60% against FEITIAN Authenticator's 0%. Thetis Authenticator also leads on rating (3.5 vs 1.5). On price, ratings volume, update cadence and ads there is nothing between them.

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

Thetis Authenticator holds the better App Store score, 3.5 against 1.5. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews point the same way: 0% of FEITIAN Authenticator's written reviews are positive against 60% of Thetis Authenticator's.

FEITIAN Authenticator ships an update every 11 months, Thetis Authenticator every 9 months. The most recent releases landed on September 10, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | FEITIAN Authenticator | Thetis Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (2 ratings)](https://appshunter.io/ios/app/feitian-authenticator/id1514078757/reviews) | **[3.5 (4 ratings)](https://appshunter.io/ios/app/thetis-authenticator/id6648759010/reviews)** |
| Number of ratings | 2 | **4** |
| Positive reviews | 0.0% of reviews | **60.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 9 months** |
| Monetization | Free | Free |
| Size | 3 MB | 3 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FEITIAN Technologies Co.,Ltd.](https://appshunter.io/developer/398121823) | [Razzo Tech Corporation](https://appshunter.io/developer/1566501237) |

## What reviewers say

### FEITIAN Authenticator

[App page](https://appshunter.io/ios/app/feitian-authenticator/id1514078757)

This utility app facilitates identity authentication by burning secret seeds and managing time. It integrates with iePassFIDO for enhanced security and verification processes.

**Highlights:** Burn secret seeds, Time management, Identity authentication, iePassFIDO integration

**Features:** macOS Compatibility

**In-app purchases:** none


### Thetis Authenticator

[App page](https://appshunter.io/ios/app/thetis-authenticator/id6648759010)

Manage your FIDO2 security keys for passwordless login and two-factor authentication. Supports NFC and Type-C connections for seamless integration across devices. Offers one-time password management for services not yet supporting FIDO2.

**Highlights:** FIDO2 passwordless login, Enhanced two-factor authentication, One-time password management, Optimized for iPad, NFC and Type-C compatibility, Cross-platform support, Phishing-resistant authentication

**In-app purchases:** none


## Frequently asked questions

### Is FEITIAN Authenticator free?

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

### Is Thetis Authenticator free?

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

### Which has better reviews, FEITIAN Authenticator or Thetis Authenticator?

Thetis Authenticator is rated higher. FEITIAN Authenticator averages 1.5 out of 5 from 2 ratings, while Thetis Authenticator averages 3.5 from 4 ratings.

### Do FEITIAN Authenticator or Thetis Authenticator have ads?

Neither FEITIAN Authenticator nor Thetis Authenticator shows ads.

### Which is updated more often, FEITIAN Authenticator or Thetis Authenticator?

FEITIAN Authenticator ships an update every 11 months, and Thetis Authenticator every 9 months. Most recently, FEITIAN Authenticator was updated on September 10, 2026 and Thetis Authenticator on June 1, 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.*