# EZdiag vs OBDGO PRO

The clearest difference is review sentiment: OBDGO PRO at 69% against EZdiag's 8%. OBDGO PRO also leads on rating (4.5 vs 1.6) and monetization model (free vs free with in-app purchases). EZdiag's advantage is iOS requirement (8.0 vs 11.0). On price, ratings volume, update cadence and ads 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 1.6. Both are backed by a comparable volume of ratings — 42 and 31 respectively. Written reviews point the same way: 8% of EZdiag's written reviews are positive against 69% of OBDGO PRO's.

EZdiag ships an update monthly, OBDGO PRO every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | EZdiag | OBDGO PRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.6 (42 ratings)](https://appshunter.io/ios/app/ezdiag/id1038281404/reviews) | **[4.5 (31 ratings)](https://appshunter.io/ios/app/obdgo-pro/id1593164986/reviews)** |
| Number of ratings | **42** | 31 |
| Positive reviews | 8.1% of reviews | **69.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 17 MB | 137 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Launch Tech Co., Ltd](https://appshunter.io/developer/447568418) | [OBD GO TECH CO LTD](https://appshunter.io/developer/1627457928) |

## What reviewers say

### EZdiag

[App page](https://appshunter.io/ios/app/ezdiag/id1038281404)

This diagnostic tool connects to your smartphone to perform full-system vehicle diagnostics. It offers bi-directional capabilities for quick and easy troubleshooting, with optional manufacturer-specific software available for purchase.

**Highlights:** Smartphone-based OBDII diagnostics, Full-system diagnostics, Bi-directional capabilities, Manufacturer-specific software options, Portable and powerful device

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is EZdiag free?

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

### Is OBDGO PRO free?

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

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

OBDGO PRO is rated higher. EZdiag averages 1.6 out of 5 from 42 ratings, while OBDGO PRO averages 4.5 from 31 ratings.

### Do EZdiag or OBDGO PRO have ads?

Neither EZdiag nor OBDGO PRO shows ads.

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

EZdiag ships an update monthly, and OBDGO PRO every 2 months. Most recently, EZdiag was updated on November 2, 2026 and OBDGO PRO on November 3, 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.*