# KBX Mobile vs eiRIS Biometrics

The clearest difference is update cadence: KBX Mobile at monthly against eiRIS Biometrics's every 3 months. eiRIS Biometrics's advantage is iOS requirement (15.6 vs 26.0). 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.

KBX Mobile ships an update monthly, eiRIS Biometrics every 3 months. The most recent releases landed on September 27, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | KBX Mobile | eiRIS Biometrics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Size | 41 MB | 126 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KBX Logistics, LLC](https://appshunter.io/developer/1327916387) | [MNLeistung Inc.](https://appshunter.io/developer/1718688658) |

## What reviewers say

### KBX Mobile

[App page](https://appshunter.io/ios/app/kbx-mobile/id6670501242)

**In-app purchases:** none


### eiRIS Biometrics

[App page](https://appshunter.io/ios/app/eiris-biometrics/id6759940959)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is KBX Mobile free?

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

### Is eiRIS Biometrics free?

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

### Do KBX Mobile or eiRIS Biometrics have ads?

Neither KBX Mobile nor eiRIS Biometrics shows ads.

### Which is updated more often, KBX Mobile or eiRIS Biometrics?

KBX Mobile ships an update monthly, and eiRIS Biometrics every 3 months. Most recently, KBX Mobile was updated on September 27, 2026 and eiRIS Biometrics on October 9, 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.*