# uAuthenticator vs EyeScan Solo

The clearest difference is update cadence: uAuthenticator at every 3 weeks against EyeScan Solo's every 2 months. uAuthenticator also leads on iOS requirement (15.2 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

uAuthenticator ships an update every 3 weeks, EyeScan Solo every 2 months. The most recent releases landed on June 4, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | uAuthenticator | EyeScan Solo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/uauthenticator/id1515322861/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 75 MB | 6 MB |
| Requires iOS | **15.2** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Unisys Corp](https://appshunter.io/developer/430698585) | [Sightic Analytics AB](https://appshunter.io/developer/1586132275) |

## What reviewers say

### uAuthenticator

[App page](https://appshunter.io/ios/app/uauthenticator/id1515322861)

This app enrolls and authenticates biometric identity information, such as facial images, for a secure SaaS product. It communicates with back-end services via secure APIs. Access requires a specific Customer ID provided after vetting.

**Highlights:** Biometric identity enrollment, Facial image authentication, Secure API communication, Customer ID required for access, SaaS product integration

**In-app purchases:** none


### EyeScan Solo

[App page](https://appshunter.io/ios/app/eyescan-solo/id6504195448)

**In-app purchases:** none


## Frequently asked questions

### Is uAuthenticator free?

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

### Is EyeScan Solo free?

EyeScan Solo is free to download, with no in-app purchases.

### Do uAuthenticator or EyeScan Solo have ads?

Neither uAuthenticator nor EyeScan Solo shows ads.

### Which is updated more often, uAuthenticator or EyeScan Solo?

uAuthenticator ships an update every 3 weeks, and EyeScan Solo every 2 months. Most recently, uAuthenticator was updated on June 4, 2026 and EyeScan Solo on September 17, 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.*