# Freematics Emulator vs OBDSTAR

The clearest difference is rating: OBDSTAR at 1.5 against Freematics Emulator's 1.0. Freematics Emulator's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OBDSTAR holds the better App Store score, 1.5 against 1.0. Both are backed by a comparable volume of ratings — 5 and 4 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Freematics Emulator ships an update every 4 months, OBDSTAR every 6 months. The most recent releases landed on October 2, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Freematics Emulator | OBDSTAR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (5 ratings)](https://appshunter.io/ios/app/freematics-emulator/id931166528/reviews) | **[1.5 (4 ratings)](https://appshunter.io/ios/app/obdstar/id6447170127/reviews)** |
| Number of ratings | **5** | 4 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | **Free** | Ad-supported |
| Size | 2 MB | 122 MB |
| Requires iOS | **6.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shanghai Han Yu Information Technologies Co., Ltd.](https://appshunter.io/developer/931166527) | [深圳市轩宇车鼎科技有限公司](https://appshunter.io/developer/1680461221) |

## What reviewers say

### Freematics Emulator

[App page](https://appshunter.io/ios/app/freematics-emulator/id931166528)

This utility allows real-time control of Freematics OBD-II Emulators via Bluetooth Low Energy. Users can adjust PIDs, DTCs, and VIN, and easily manage custom knobs for different data points.

**Highlights:** Real-time OBD-II PID adjustment, DTC and VIN modification, BLE connection to emulators, Customizable PID knobs, Emulator scanning and selection

**Features:** macOS Compatibility

**In-app purchases:** none


### OBDSTAR

[App page](https://appshunter.io/ios/app/obdstar/id6447170127)

A handheld maintenance database for technicians, offering technical support, data queries, video viewing, and after-sales consultation. It provides a comprehensive database for automotive, motorcycle, and marine maintenance, aiming for efficient and professional service.

**Highlights:** Handheld maintenance database, Technical support, Data query, Video viewing, After-sales consultation, Comprehensive maintenance data

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

**In-app purchases:** none


## Frequently asked questions

### Is Freematics Emulator free?

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

### Is OBDSTAR free?

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

### Which has better reviews, Freematics Emulator or OBDSTAR?

OBDSTAR is rated higher. Freematics Emulator averages 1.0 out of 5 from 5 ratings, while OBDSTAR averages 1.5 from 4 ratings.

### Do Freematics Emulator or OBDSTAR have ads?

OBDSTAR shows ads; Freematics Emulator does not.

### Which is updated more often, Freematics Emulator or OBDSTAR?

Freematics Emulator ships an update every 4 months, and OBDSTAR every 6 months. Most recently, Freematics Emulator was updated on October 2, 2026 and OBDSTAR on October 9, 2026.

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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.*