# ST25DV vs SigNow Mobile

The clearest difference is iOS requirement: ST25DV at 13.4 against SigNow Mobile's 15.6. 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.

## The numbers

| Metric | ST25DV | SigNow Mobile |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 weeks |
| Size | 22 MB | 67 MB |
| Requires iOS | **13.4** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [STMicroelectronics](https://appshunter.io/developer/1801774735) | [Novus Produtos Eletronicos Ltda](https://appshunter.io/developer/1363116076) |

## What reviewers say

### ST25DV

[App page](https://appshunter.io/ios/app/st25dv-i2c-cryptodemo/id1518537022)

**In-app purchases:** none


### SigNow Mobile

[App page](https://appshunter.io/ios/app/signow-mobile/id1641767470)

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

**In-app purchases:** none


## Frequently asked questions

### Is ST25DV free?

ST25DV is free to download, with no in-app purchases.

### Is SigNow Mobile free?

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

### Do ST25DV or SigNow Mobile have ads?

Neither ST25DV nor SigNow Mobile shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*