Comparison

OBD2 Cat vs EasyOBD

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

Head to head
About

OBD2 Cat

This app reads diagnostic trouble codes and live vehicle data from compatible cars using a Bluetooth OBD2 adapter. It helps drivers understand dashboard warnings by checking engine codes, viewing sensor data, and retrieving vehicle identification information.

Highlights
  • Read diagnostic trouble codes (DTCs)
  • Clear supported trouble codes
  • View live engine and sensor data
  • Check VIN, make, model, and year
  • Auto Scan for codes
  • View OBD protocol and connection status
Read full description

Your car has a story. OBD2 Cat helps you read the clues. OBD2 Cat is a straightforward Bluetooth OBD2 car scanner for compatible vehicles and adapters. Read diagnostic trouble codes, view live vehicle data, and check key vehicle details from your iPhone. With OBD2 Cat, you can: - Read Check Engine diagnostic trouble codes (DTCs) - Clear supported trouble codes - View supported live engine and sensor data - Check and copy your VIN, plus available make, model, and model year - Turn on Auto Scan to scan for codes after connecting - See the active OBD protocol and connection status Designed for drivers who want a simple first look when a dashboard warning appears, without the clutter of a professional workshop tool. Use a Bluetooth OBD2 adapter compatible with your iPhone and vehicle. If you use an ELM327-style adapter, make sure it supports Bluetooth Low Energy (BLE). Important: Clearing a trouble code does not repair the underlying issue. A warning light may return if the fault remains. For safety-critical warnings or persistent problems, have the vehicle inspected by a qualified technician.

About

EasyOBD

Features
Read full description

EasyOBD is exclusively designed to support DA302 series products, serving as a professional car diagnostic and real-time monitoring application. This app only supports adapters compatible with Bluetooth 4.0+.

Screenshots

OBD2 Cat4 screens
EasyOBD4 screens

Verdict

The call

The clearest difference is iOS requirement: EasyOBD at 13.0 against OBD2 Cat's 16.0. On price, update cadence, 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.

UpkeepUpdate frequency

OBD2 Cat ships an update fortnightly, EasyOBD every 3 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

Scorecard1 real difference · 8 level
OBD2 Cat versus EasyOBD: the parameters behind the verdict, then further details
ParameterOBD2 CatEasyOBD
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyFortnightly — betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone, iPod — better
Requires iOS16.013.0 — better
Further details — not scored
Size15 MB103 MB
Age rating4+4+
DeveloperRoman TikhonychevShenzhen Chaoyue Technology Development Co.,Ltd

In-app purchases

None

OBD2 Cat

No in-app purchases

None

EasyOBD

No in-app purchases

Questions

Is OBD2 Cat free?
OBD2 Cat is free to download, with no in-app purchases.
Is EasyOBD free?
EasyOBD is free to download, with no in-app purchases.
Do OBD2 Cat or EasyOBD have ads?
Neither OBD2 Cat nor EasyOBD shows ads.
Which is updated more often, OBD2 Cat or EasyOBD?
OBD2 Cat ships an update fortnightly, and EasyOBD every 3 weeks. Most recently, OBD2 Cat was updated on October 24, 2026 and EasyOBD on October 28, 2026.

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