# EasyDiag4 vs OBDGO PRO

The clearest difference is review sentiment: OBDGO PRO at 69% against EasyDiag4's 0%. OBDGO PRO also leads on rating (4.6 vs 2.9) and update cadence (every 2 months vs every 18 months). On price, ratings volume, ads and in-app purchases 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, 4.6 against 2.9. Both are backed by a comparable volume of ratings — 19 and 25 respectively. Written reviews point the same way: 0% of EasyDiag4's written reviews are positive against 69% of OBDGO PRO's.

EasyDiag4 ships an update every 18 months, OBDGO PRO every 2 months. The most recent releases landed on October 16, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | EasyDiag4 | OBDGO PRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (19 ratings)](https://appshunter.io/ios/app/easydiag4/id1505477232/reviews) | **[4.6 (25 ratings)](https://appshunter.io/ios/app/obdgo-pro/id1593164986/reviews)** |
| Number of ratings | 19 | **25** |
| Positive reviews | 0.0% of reviews | **69.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 114 MB | 137 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Launch Tech Co., Ltd](https://appshunter.io/developer/447568418) | [OBD GO TECH CO LTD](https://appshunter.io/developer/1627457928) |

## What reviewers say

### EasyDiag4

[App page](https://appshunter.io/ios/app/easydiag4/id1505477232)

This application connects to your vehicle via Bluetooth to perform comprehensive fault diagnosis across various systems. It supports reading and clearing diagnostic trouble codes, viewing data streams, and resetting service lamps, catering to the needs of the vehicle maintenance market.

**Highlights:** Bluetooth vehicle data interaction, One-click intelligent diagnosis, Full system fault diagnosis, Read DTCs, Read Data Streams, Clear DTCs, Reset Service Lamp

**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 EasyDiag4 free?

EasyDiag4 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, EasyDiag4 or OBDGO PRO?

OBDGO PRO is rated higher. EasyDiag4 averages 2.9 out of 5 from 19 ratings, while OBDGO PRO averages 4.6 from 25 ratings.

### Do EasyDiag4 or OBDGO PRO have ads?

Neither EasyDiag4 nor OBDGO PRO shows ads.

### Which is updated more often, EasyDiag4 or OBDGO PRO?

EasyDiag4 ships an update every 18 months, and OBDGO PRO every 2 months. Most recently, EasyDiag4 was updated on October 16, 2026 and OBDGO PRO on September 30, 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.*