# BioSmart ID vs Synchra.24

The clearest difference is update cadence: Synchra.24 at every 6 days against BioSmart ID's every 7 months. BioSmart ID's advantage is iOS requirement (11.0 vs 16.6). 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.

BioSmart ID ships an update every 7 months, Synchra.24 every 6 days. The most recent releases landed on September 30, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | BioSmart ID | Synchra.24 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 days** |
| Size | 28 MB | 83 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [PROSOFT-BIOMETRIKS, OOO](https://appshunter.io/developer/1468272248) | [ООО СИНХРА](https://appshunter.io/developer/1879057540) |

## What reviewers say

### BioSmart ID

[App page](https://appshunter.io/ios/app/biosmart-id/id6499214734)

**Features:** macOS Compatibility

**In-app purchases:** none


### Synchra.24

[App page](https://appshunter.io/ios/app/synchra24/id6759501441)

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

**In-app purchases:** none


## Frequently asked questions

### Is BioSmart ID free?

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

### Is Synchra.24 free?

Synchra.24 is free to download, with no in-app purchases.

### Do BioSmart ID or Synchra.24 have ads?

Neither BioSmart ID nor Synchra.24 shows ads.

### Which is updated more often, BioSmart ID or Synchra.24?

BioSmart ID ships an update every 7 months, and Synchra.24 every 6 days. Most recently, BioSmart ID was updated on September 30, 2026 and Synchra.24 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.*