Comparison

AERMOTOR vs OBD2 Scanner

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

Head to head
About

AERMOTOR

Features
Read full description

this apliaction is a tools,Detect battery voltage, current, resistance, remaining power

About

OBD2 Scanner

Transform your smartphone into a powerful car diagnostic tool. Monitor real-time engine data, read and clear trouble codes, and track your vehicle's performance. Customize your dashboard and access repair manuals to understand and fix issues.

Highlights
  • Real-time engine data monitoring
  • Read and clear trouble codes
  • Performance tracking
  • Customizable dashboards
  • Repair manual database
  • Compatibility with OBD2 ELM327 adapters
Features
Read full description

Turn your phone into a car mechanic: Diagnose & monitor with OBD 2 Car Scanner! Unlock your car's secrets: - Real-time data: See engine speed, fuel use, temperatures & more. - Find & fix problems: Read & clear trouble codes like a pro. - Track performance: Monitor fuel efficiency, acceleration, & more over time. - Customize your view: Build dashboards with the info you need most. - Repair help: Access a database of manuals to troubleshoot issues. - Works with all OBD 2 scanners: Using tips: - The app requires a Wi-Fi or or Bluetooth 4.0 (Bluetooth LE) OBD2 ELM327 compatible adapter (device) to work. ELM327 devices plug into the diagnostics socket in the car and give your phone access to car diagnostics. - If you buy one of the cheap OBD2 ELM327 adapters , then make sure it’s not marked as v.2.1. These adapters are supported, but they have lots of bugs. - Vehicle ECUs vary in the amount of sensors supported. This app can’t show you something that is not provided by your car. Notice - This app are free-to-install, but has some premium features that need purchase/subscribe to use. Non-subscribed users can use each Premium feature for a limited number of times per day. - Subscriptions automatically renew unless cancelled 24 hours before the end of the period. - Manage your subscription and turn off auto-renewal in your account settings. - Any unused portion of a free trial will be forfeited if you subscribe. Term of use: https://appforlife.moniqtap.com/index.php/term-of-use/ Privacy Policy: https://appforlife.moniqtap.com/index.php/privacy-policy/

Screenshots

AERMOTOR4 screens
OBD2 Scanner4 screens

Verdict

The call

The clearest difference is in-app purchases: AERMOTOR at none against OBD2 Scanner's 6. AERMOTOR also leads on ads (none vs shown) and iOS requirement (9.0 vs 17.0). On price, update cadence 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. OBD2 Scanner sells 6 in-app purchases, starting at $6.99 per 7 days. AERMOTOR asks for nothing beyond the download.

UpkeepUpdate frequency

AERMOTOR ships an update every 5 weeks, OBD2 Scanner monthly. The most recent releases landed on September 9, 2026 and September 25, 2026 respectively.

Scorecard3 real differences · 7 level
AERMOTOR versus OBD2 Scanner: the parameters behind the verdict, then further details
ParameterAERMOTOROBD2 Scanner
PriceFreeFree
Rating—4.6 (933 ratings) — better
Positive reviews—24.6% of reviews
Number of ratings—933 — better
Update frequencyEvery 5 weeksMonthly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPod — betteriPhone
Requires iOS9.0 — better17.0
Further details — not scored
Size32 MB76 MB
Age rating4+4+
Developer东海 刘Phong Pham

Bugs and requests

AERMOTOR

Not enough reviews yet to summarise bugs or requests.

OBD2 Scanner

Reported bugs

8 issues
  • Bluetooth connection drops and requires reboot
  • App fails to connect to OBD2 devices
  • Sensors display N/A values in paid version
  • Cannot select vehicle profile
  • App crashes or becomes unresponsive
Show 3 more
  • Fault code reading not functioning
  • Unauthorized subscription charges after trial
  • Device not recognized by application

Requested features

6 requests
  • Oil temperature and transmission data
  • Wheel sensor information
  • Pending DTC display
  • Permanent check engine light clearing
  • Module-specific scanning selection
Show 1 more
  • Better privacy controls and data protection

In-app purchases

None

AERMOTOR

No in-app purchases

6 purchases

OBD2 Scanner

Subscriptions5
  • Premium weeky freetrial3 Days trial$6.997 Days
  • Premium Weekly3 Days trial$7.997 Days
  • Premium Monthly$14.991 Month
Show 2 more
  • Premium Monthly$17.991 Month
  • Premium Yearly$59.991 Year
One-time1
  • Lifetime Premium$69.99

Questions

Is AERMOTOR free?
AERMOTOR is free to download, with no in-app purchases.
Is OBD2 Scanner free?
OBD2 Scanner is free to download, with in-app purchases available.
Do AERMOTOR or OBD2 Scanner have ads?
OBD2 Scanner shows ads; AERMOTOR does not.
Which is updated more often, AERMOTOR or OBD2 Scanner?
AERMOTOR ships an update every 5 weeks, and OBD2 Scanner monthly. Most recently, AERMOTOR was updated on September 9, 2026 and OBD2 Scanner on September 25, 2026.

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