# Star Data vs OBDII AI

The clearest difference is update cadence: OBDII AI at every 3 weeks against Star Data's every 3 months. OBDII AI also leads on iOS requirement (13.0 vs 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.

Star Data ships an update every 3 months, OBDII AI every 3 weeks. The most recent releases landed on August 2, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Star Data | OBDII AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 35 MB | 82 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Deeper Co., Ltd.](https://appshunter.io/developer/1895586766) | [Shenzhen Chaoyue Technology Development Co.,Ltd](https://appshunter.io/developer/1223781320) |

## What reviewers say

### Star Data

[App page](https://appshunter.io/ios/app/star-data/id6473402363)

**Features:** macOS Compatibility

**In-app purchases:** none


### OBDII AI

[App page](https://appshunter.io/ios/app/obdii-ai/id6742878024)

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

**In-app purchases:** none


## Frequently asked questions

### Is Star Data free?

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

### Is OBDII AI free?

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

### Do Star Data or OBDII AI have ads?

Neither Star Data nor OBDII AI shows ads.

### Which is updated more often, Star Data or OBDII AI?

Star Data ships an update every 3 months, and OBDII AI every 3 weeks. Most recently, Star Data was updated on August 2, 2026 and OBDII AI on September 9, 2026.

---

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