Comparison

MissFire vs I'm Hero OBD2 Scanner

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

Head to head
About

MissFire

Features
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MissFire is an Car/Vehicle OBD Diagnostic Tool that you can use to diagnose your car health. It contains advanced misfire utilities, custom engine parameter live tracking functions, DTC diagnostic trouble code scanner & library, diagnose with AI function, ABS tool, airbag tool, gearbox tool, fuel economy tracker, battery & charging health tool, dyno estimator, speedometer calibration, acceleration timing, tire size calculator and lots of more. All for FREE, there are no paid options/restrictions!

About

I'm Hero OBD2 Scanner

Features
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Turn your car's cryptic check-engine light into something you can actually act on. I'm Hero OBD2 Scanner connects to a standard ELM327 OBD-II adapter over Bluetooth LE or Wi-Fi and shows what your car is doing — in plain language. • Live data — RPM, speed, coolant, fuel trims, O2, intake and more on clean gauges, showing only the parameters your car supports. • Trouble codes — read and clear stored, pending and permanent codes, each with a description and a freeze-frame snapshot from the moment it set. • Explain with AI — tap a code for a plain-English explanation of what it means, common causes, how serious it is, and typical next steps. • Emissions readiness — check the MIL status and which monitors are ready before an inspection or buying a used car. • VIN & vehicle info, battery voltage, and drive-session logging with charts and CSV export. No account. Your vehicle data stays on your device. Works with common ELM327 adapters (Veepeak, Vgate and similar). No adapter yet? Try the built-in Demo mode. A trouble code points to a symptom, not a guaranteed part — always have a professional confirm before repairs.

Screenshots

MissFire4 screens
I'm Hero OBD2 Scanner3 screens

Verdict

The call

The clearest difference is device support: MissFire at 3 against I'm Hero OBD2 Scanner's 1. MissFire also leads on iOS requirement (13.0 vs 17.0). On price, 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.

Scorecard2 real differences · 4 level
MissFire versus I'm Hero OBD2 Scanner: the parameters behind the verdict, then further details
ParameterMissFireI'm Hero OBD2 Scanner
PriceFreeFree
Update frequencyWeekly—
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17.0
Further details — not scored
Size24 MB2 MB
Age rating4+4+
DeveloperTommi KariRuslan Korennoy

In-app purchases

None

MissFire

No in-app purchases

None

I'm Hero OBD2 Scanner

No in-app purchases

Questions

Is MissFire free?
MissFire is free to download, with no in-app purchases.
Is I'm Hero OBD2 Scanner free?
I'm Hero OBD2 Scanner is free to download, with no in-app purchases.
Do MissFire or I'm Hero OBD2 Scanner have ads?
Neither MissFire nor I'm Hero OBD2 Scanner shows ads.

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