Comparison

EasyDiag4 vs OBDGO PRO

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

EasyDiag4

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
Read full description

EasyDiag4 vehicle diagnostic application is a vehicle fault diagnosis tool software developed based on the mobile intelligent terminal platform. It is suitable for the vehicle maintenance market. It uses a dedicated connector to perform data Bluetooth interaction with the vehicle and supports one-click intelligent diagnosis. It can realize fault diagnosis for full systems such as power system and safety system, involving Read DTCs, Read Data Streams, Clear DTCs, and Reset Service Lamp. The software contains EOBD, maintenance and special function software, mainstream model diagnostic software, etc. It can meet the actual needs of most users for testing vehicles.

About

OBDGO PRO

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
Read full description

OBDGO PRO besides basic OBD-II diagnosis, vehicle hidden features unlock is available. Let everyone enjoy the fun of modding! 1. Unlock Hidden Features Support Models: Porsche, BMW, Mercedes, Ford, Audi, Volkswagen, more available vehicle and year models please check in app. Popular features such as: - Activate Wireless CarPlay - Disable Start Stop - Enable Engine Performance Menu - Change Turn Signal Blicks Times - Change Head Unit Start Animation - Activate G-Force Display More features are waiting for you to explore! 2. OBD-II Diagnosis Vehicle coverage: GM, Ford, Chrysler, Toyota, Nissan, Mazda, Mercedes, Mitsubishi, Hyundai/Kia, BMW/Mini, Honda/Acura, Volkswagen/Audi, Subaru, Buick, Chevrolet, Cadillac, Lincoln, Dodge, Jeep, Smart, Skoda, Porsche, FIAT, Renault, Peugeot, Citroen, Landrover, Jaguar, Lexus, Infiniti, Suzuki, Ssangyong. Features such as: - Scan trouble codes - Clear trouble codes - Generate, print, and share Diagnosis Reports - Mode 6 (On-Board Monitoring Test Results) - Smog Readiness Check - Freeze Frame Data - Multiple data streams interactive graphing and logging - Wireless bluetooth connection with vehicle - Metric and Imperial settings 3. Diagnosis Report Diagnosis report is specific to your vehicle's year, make and model. Providing a cryptic code definition by giving you validated fixes for your trouble codes. Save time by using OBDGO PRO to know your vehicle how to repair in advance. OBDGO PRO is a professional scan tool and the APP is free to install, but it does require the purchase of sensor to communicate with your vehicle. Sensor simply connects to your data port located inside your car near the steering wheel. Every car made since 1996 is global compatible can be used anywhere in the world.

Screenshots

EasyDiag44 screens
OBDGO PRO4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
EasyDiag4 versus OBDGO PRO: the parameters behind the verdict, then further details
ParameterEasyDiag4OBDGO PRO
PriceFreeFree
Rating2.9 (19 ratings)4.6 (25 ratings) — better
Positive reviews0.0% of reviews69.2% of reviews — better
Number of ratings1925 — better
Update frequencyEvery 18 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.011.0
Further details — not scored
Size114 MB137 MB
Age rating17+17+
DeveloperLaunch Tech Co., LtdOBD GO TECH CO LTD

Customer experience

EasyDiag4

All ratings19 ratings
Positive47.4%
Neutral5.3%
Negative47.4%
Written reviews7 reviews
Positive0.0%
Neutral14.3%
Negative85.7%

OBDGO PRO

All ratings25 ratings
Positive88.0%
Neutral4.0%
Negative8.0%
Written reviews13 reviews
Positive69.2%
Neutral0.0%
Negative30.8%

In-app purchases

None

EasyDiag4

No in-app purchases

None

OBDGO PRO

No in-app purchases

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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