# OBDGO PRO vs M100

The clearest difference is rating: OBDGO PRO at 4.5 against M100's 3.3. OBDGO PRO also leads on ratings volume (31 vs 6). M100's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

OBDGO PRO holds the better App Store score, 4.5 against 3.3. That said, the two scores are not equally well evidenced: OBDGO PRO has 31 ratings behind it against 6, so its average is the more settled of the two.

OBDGO PRO ships an update every 2 months, M100 every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | OBDGO PRO | M100 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (31 ratings)](https://appshunter.io/ios/app/obdgo-pro/id1593164986/reviews)** | [3.3 (6 ratings)](https://appshunter.io/ios/app/m100/id1619029812/reviews) |
| Number of ratings | **31** | 6 |
| Positive reviews | 69.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 137 MB | 97 MB |
| Requires iOS | 11.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [OBD GO TECH CO LTD](https://appshunter.io/developer/1627457928) | [Shenzhen Chaoyue Technology Development Co.,Ltd](https://appshunter.io/developer/1223781320) |

## What reviewers say

### OBDGO PRO

[App page](https://appshunter.io/ios/app/obdgo-pro/id1593164986)

Unlock hidden vehicle features and perform OBD-II diagnostics with this app. It allows you to activate functionalities like wireless CarPlay, disable start-stop systems, and scan/clear trouble codes. Generate detailed diagnostic reports to understand and repair your car.

**Highlights:** Unlock hidden vehicle features, OBD-II code scanning and clearing, Generate and share diagnosis reports, Activate wireless CarPlay, Disable start-stop systems, View freeze frame data, Interactive data stream graphing

**Features:** macOS Compatibility

**In-app purchases:** none


### M100

[App page](https://appshunter.io/ios/app/m100/id1619029812)

This application connects to your vehicle via Bluetooth to provide diagnostic and monitoring functions. It allows you to read and clear fault codes, analyze driving performance, and view instrument panel data. Supports multiple languages and operates on low power.

**Highlights:** Fault code reading and clearing, Instrument panel display, Performance testing, Driving analysis, Bluetooth 4.0 adapter support, Multi-language support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OBDGO PRO free?

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

### Is M100 free?

M100 is free to download, with no in-app purchases.

### Which has better reviews, OBDGO PRO or M100?

OBDGO PRO is rated higher. OBDGO PRO averages 4.5 out of 5 from 31 ratings, while M100 averages 3.3 from 6 ratings.

### Do OBDGO PRO or M100 have ads?

Neither OBDGO PRO nor M100 shows ads.

### Which is updated more often, OBDGO PRO or M100?

OBDGO PRO ships an update every 2 months, and M100 every 3 weeks. Most recently, OBDGO PRO was updated on October 24, 2026 and M100 on October 24, 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.*