# UIB Authenticator vs BTK PAY

The clearest difference is update cadence: BTK PAY at every 4 months against UIB Authenticator's every 26 months. BTK PAY also leads on iOS requirement (13.0 vs 15.0). 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.

UIB Authenticator ships an update every 26 months, BTK PAY every 4 months. The most recent releases landed on September 30, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | UIB Authenticator | BTK PAY |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 4 months** |
| Size | 8 MB | 100 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Union Internationale de Banques](https://appshunter.io/developer/1242238952) | [BTK BPCE](https://appshunter.io/developer/985626100) |

## What reviewers say

### UIB Authenticator

[App page](https://appshunter.io/ios/app/uib-authenticator/id1589410836)

**Features:** macOS Compatibility

**In-app purchases:** none


### BTK PAY

[App page](https://appshunter.io/ios/app/btk-pay/id1668300965)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is UIB Authenticator free?

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

### Is BTK PAY free?

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

### Do UIB Authenticator or BTK PAY have ads?

Neither UIB Authenticator nor BTK PAY shows ads.

### Which is updated more often, UIB Authenticator or BTK PAY?

UIB Authenticator ships an update every 26 months, and BTK PAY every 4 months. Most recently, UIB Authenticator was updated on September 30, 2026 and BTK PAY on September 27, 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.*