# Freematics Emulator — user reviews

> 4 indexed App Store user reviews of Freematics Emulator by Shanghai Han Yu Information Technologies Co., Ltd., rated 1.00/5 from 5 ratings.

- Source: https://appshunter.io/ios/app/freematics-emulator/id931166528/reviews
- App overview in markdown: https://appshunter.io/ios/app/freematics-emulator/id931166528.md
- Rating breakdown: 5★ 0 · 4★ 0 · 3★ 0 · 2★ 0 · 1★ 5

## Most critical reviews (4 lowest-rated)

### 1/5 — Crash on app start

*2024-04-15*

This app crashes on app start

### 1/5 — Crashes on launch.

*2021-06-08*

Garbage. Crashes on application start.

### 1/5 — Crashes upon seeing the OBD Emulator

*2021-04-23*

The app just exits immediately when the Freematics OBD Emulator MK2 is powered on.

### 1/5 — Broken and missing features

*2017-10-03*

Setting DTC does not work. Cannot find documentation to determine if this is user error 

Ignition toggle does not work

"Edit your knobs" only supports a subset of OBD-II options

Overall not very useful.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*