# MAXOBD vs MOTOSYS

The clearest difference is update cadence: MOTOSYS at every 9 days against MAXOBD's every 3 weeks. MOTOSYS also leads on iOS requirement (13.0 vs 15.0). 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.

MAXOBD ships an update every 3 weeks, MOTOSYS every 9 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | MAXOBD | MOTOSYS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (7 ratings)](https://appshunter.io/ios/app/maxobd/id6737468032/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free | — |
| Size | 47 MB | 67 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [祖策 谢](https://appshunter.io/developer/983519195) | [JDiag Electronics Technology Co., Ltd](https://appshunter.io/developer/1298431912) |

## What reviewers say

### MAXOBD

[App page](https://appshunter.io/ios/app/maxobd/id6737468032)

This utility app allows car owners to detect vehicle faults by connecting to standard OBD protocol devices. It enables users to read trouble codes, view real-time data, and access performance parameters, with enhanced features when using specific hardware. The goal is to simplify vehicle management and early problem detection.

**Highlights:** Vehicle fault detection, Connects with standard OBD devices, Read trouble codes, View real-time data, Access performance parameters, Clear trouble codes (with specific hardware)

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

**In-app purchases:** none


### MOTOSYS

[App page](https://appshunter.io/ios/app/motosys/id6756705809)

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

**In-app purchases:** none


## Frequently asked questions

### Is MAXOBD free?

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

### Is MOTOSYS free?

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

### Do MAXOBD or MOTOSYS have ads?

Neither MAXOBD nor MOTOSYS shows ads.

### Which is updated more often, MAXOBD or MOTOSYS?

MAXOBD ships an update every 3 weeks, and MOTOSYS every 9 days. Most recently, MAXOBD was updated on October 25, 2026 and MOTOSYS on October 28, 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.*