Comparison

FOBD vs SmartZDOBD

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

Head to head
About

FOBD

This app functions as a diagnostic scan tool, trip computer, logger, and real-time performance monitor for vehicles. It offers features like OBD-II diagnostics, HUD display, DTC code lookup, and oil reset. Supports English, Spanish, and Russian languages.

Highlights
  • OBD-II Diagnostics
  • Trip Computer
  • Data Logger
  • Real-time Performance Monitor
  • DTC Code Lookup
  • Oil Reset
Features
Read full description

The FOBD is a diagnostic scan tool, trip computer, logger, and real-time performance monitor. Feature:OBD-II Diagnotic / HUD / DTC seek / Oil Reset Support Language: English / Spanish /Russian

About

SmartZDOBD

Features
Read full description

C001 is an intelligent diagnostic tool designed specifically for professional auto repair technicians, integrating fault detection, action testing, and parameter calibration. By connecting to the vehicle's OBD-II interface via Bluetooth, it turns your iPhone into a professional diagnostic device in seconds, allowing you to solve auto repair problems anytime, anywhere. Key Features: Intelligent Fault Diagnosis Quickly read vehicle "identity": Rapidly and accurately read version information of core systems such as the vehicle's ECU, engine, and transmission. Keep track of the vehicle's "health records" in real-time, detect the need for software updates at the first time, and provide a reliable basis for maintenance decisions. Action Test Mode Perform actuator action tests, including DPF regeneration and urea injection tests. Parameter Calibration Tool One-click modification of VIN code. Maintenance Knowledge Base Built-in in-depth analysis library for common faults, covering mainstream vehicle models. Advantages Compact and portable, ready at all times: Put professional diagnostic equipment in your pocket. There's no need to carry bulky instruments – just a mobile phone allows you to carry out diagnostic work anytime, anywhere, making your maintenance services more flexible and timely.

Screenshots

FOBD1 screens
SmartZDOBD3 screens

Verdict

The call

The clearest difference is update cadence: SmartZDOBD at every 2 weeks against FOBD's every 3 months. FOBD's advantage is iOS requirement (10.0 vs 12.0). 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

FOBD ships an update every 3 months, SmartZDOBD every 2 weeks. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.

Scorecard2 real differences · 8 level
FOBD versus SmartZDOBD: the parameters behind the verdict, then further details
ParameterFOBDSmartZDOBD
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews25.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS10.0 — better12.0
Further details — not scored
Size48 MB38 MB
Age rating4+4+
Developer深圳市爱夫卡科技有限公司深圳市正德友邦科技有限公司

In-app purchases

None

FOBD

No in-app purchases

None

SmartZDOBD

No in-app purchases

Questions

Is FOBD free?
FOBD is free to download, with no in-app purchases.
Is SmartZDOBD free?
SmartZDOBD is free to download, with no in-app purchases.
Do FOBD or SmartZDOBD have ads?
Neither FOBD nor SmartZDOBD shows ads.
Which is updated more often, FOBD or SmartZDOBD?
FOBD ships an update every 3 months, and SmartZDOBD every 2 weeks. Most recently, FOBD was updated on October 3, 2026 and SmartZDOBD on October 6, 2026.

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