# MaxCoil Una vs Thetis Authenticator

The clearest difference is device support: Thetis Authenticator at 3 against MaxCoil Una's —. Thetis Authenticator also leads on iOS requirement (13.0 vs 15.6). On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | MaxCoil Una | Thetis Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.5 (4 ratings)](https://appshunter.io/ios/app/thetis-authenticator/id6648759010/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 9 months |
| Monetization | — | Free |
| Size | 13 MB | 3 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DewertOkin Technology Group Co., Ltd.](https://appshunter.io/developer/1108264169) | [Razzo Tech Corporation](https://appshunter.io/developer/1566501237) |

## What reviewers say

### MaxCoil Una

[App page](https://appshunter.io/ios/app/maxcoil-una/id1229929170)

**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 MaxCoil Una free?

MaxCoil Una is free to download, with no in-app purchases.

### Is Thetis Authenticator free?

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

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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.*