# HM01 vs Ai OBD Car Scanner

The clearest difference is update cadence: HM01 at fortnightly against Ai OBD Car Scanner's every 2 months. 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.

HM01 ships an update fortnightly, Ai OBD Car Scanner every 2 months. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | HM01 | Ai OBD Car Scanner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 115 MB | 104 MB |
| Requires iOS | **12.0** | 13 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ShanTou City Vison Electronictechnology Co., Ltd.](https://appshunter.io/developer/1388222999) | [yuui okuyama](https://appshunter.io/developer/6779515462) |

## What reviewers say

### HM01

[App page](https://appshunter.io/ios/app/hm01/id6749028679)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ai OBD Car Scanner

[App page](https://appshunter.io/ios/app/ai-obd-car-scanner/id6779515460)

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

**In-app purchases:** none


## Frequently asked questions

### Is HM01 free?

HM01 is free to download, with no in-app purchases.

### Is Ai OBD Car Scanner free?

Ai OBD Car Scanner is free to download, with no in-app purchases.

### Do HM01 or Ai OBD Car Scanner have ads?

Neither HM01 nor Ai OBD Car Scanner shows ads.

### Which is updated more often, HM01 or Ai OBD Car Scanner?

HM01 ships an update fortnightly, and Ai OBD Car Scanner every 2 months. Most recently, HM01 was updated on October 25, 2026 and Ai OBD Car Scanner on October 28, 2026.

---

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