# ST25DV vs ContactsAI

The clearest difference is iOS requirement: ST25DV at 13.4 against ContactsAI's 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.

## The numbers

| Metric | ST25DV | ContactsAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 22 MB | 9 MB |
| Requires iOS | **13.4** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [STMicroelectronics](https://appshunter.io/developer/1801774735) | [Khurram Awan](https://appshunter.io/developer/1632637005) |

## What reviewers say

### ST25DV

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

**In-app purchases:** none


### ContactsAI

[App page](https://appshunter.io/ios/app/contactsai/id6761551673)

**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 ContactsAI free?

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

### Do ST25DV or ContactsAI have ads?

Neither ST25DV nor ContactsAI shows ads.

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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.*