Comparison

OBD Compass vs EZProgrammer

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

Head to head

OBD Compass

Smart Scanner In Your Pocket

About

OBD Compass

Features

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The Bluetooth OBDII scan tool is loaded with essential features such as full OBDII functionality. Key Features: 1. Vehicle health check, read vehicle faults. 2. Various visual data such as numerical values, waveforms, and dials. 3. n-depth analysis of fault codes, including causes of generation, potential impacts of fault codes on vehicles, maintenance suggestions, and estimated costs, etc. 4. Maintenance records and reminders. 5. Community and Knowledge Base.

About

EZProgrammer

Features

Read full description

EZProgrammer is a professional automotive key programming tool designed for key fob, supporting key programming, vehicle diagnosis, and data reading for Dodge, Ram, and multiple other vehicle models.

Screenshots

OBD Compass3 screens

EZProgrammer4 screens

Verdict

The call

The clearest difference is update cadence: EZProgrammer at weekly against OBD Compass's monthly. OBD Compass's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support 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

OBD Compass ships an update monthly, EZProgrammer weekly. The most recent releases landed on October 14, 2026 and October 1, 2026 respectively.

Scorecard2 real differences · 4 level

OBD Compass versus EZProgrammer: the parameters behind the verdict, then further details
Parameter	OBD Compass	EZProgrammer
Price	Free	Free
Update frequency	Monthly	Weekly — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	13.0 — better	15.0
Further details — not scored
Size	25 MB	52 MB
Age rating	4+	17+
Developer	HK TOPDON TECHNOLOGY Co., LIMITED	Cambrian(Liaoning)Electronics Technology Co., Ltd.

In-app purchases

None

OBD Compass

No in-app purchases

None

EZProgrammer

No in-app purchases

Questions

Is OBD Compass free?

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

Is EZProgrammer free?

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

Do OBD Compass or EZProgrammer have ads?

Neither OBD Compass nor EZProgrammer shows ads.

Which is updated more often, OBD Compass or EZProgrammer?

OBD Compass ships an update monthly, and EZProgrammer weekly. Most recently, OBD Compass was updated on October 14, 2026 and EZProgrammer on October 1, 2026.