Best M100 alternatives: apps like M100

10+ similar apps compared and reviewed

4.1 avg rating
10 free apps
Updated October 2026
M100
M100
Shenzhen Chaoyue Technology Development Co.,Ltd

M100 is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to M100

MotorData OBD ELM car scanner#1
4.6(48 ratings)
FreeIn-App Purchases
MotorData OBD ELM car scanner screenshot 1
MotorData OBD ELM car scanner screenshot 2
MotorData OBD ELM car scanner screenshot 3
MotorData OBD ELM car scanner screenshot 4
MotorData OBD ELM car scanner screenshot 5
MotorData OBD ELM car scanner screenshot 6

Transform your smartphone into a comprehensive car diagnostic tool. Read and clear trouble codes, monitor real-time vehicle performance, and customize your dashboard for a deeper understanding of your car's health. Includes free engine diagnostics with optional advanced features for specific brands.

4.3๐Ÿ˜ž(19 ratings)
FreeIn-App Purchases
OBD2 Scanner ELM327: GaragePro screenshot 1
OBD2 Scanner ELM327: GaragePro screenshot 2
OBD2 Scanner ELM327: GaragePro screenshot 3
OBD2 Scanner ELM327: GaragePro screenshot 4
OBD2 Scanner ELM327: GaragePro screenshot 5
OBD2 Scanner ELM327: GaragePro screenshot 6

This app provides comprehensive OBD scanning for vehicles, allowing users to read and clear fault codes from various ECUs, monitor live sensor data, and perform special functions like DPF regeneration and injector coding. It supports over 100 vehicle makes and offers detailed reports and diagnostic assistance.

What We Love

  • โœ… Clears trouble codes
  • โœ… Scans vehicle quickly
  • โœ… Provides real-time data
  • โœ… User-friendly interface
  • โœ… Saves money on repairs
  • โœ… Works on various car models
  • โœ… Good for live data
  • โœ… Simple UI
  • โœ… PDF reports available
  • โœ… Responsive customer support (in some cases)
  • โœ… Solves specific car problems

Room to Improve

  • โŒ App crashes frequently
  • โŒ Does not load past splash screen
  • โŒ Not responding properly on iPhone
  • โŒ Cannot select new vehicle after changing cars
  • โŒ Fails to buy subscription
  • โŒ Perpetual license issues (lost after reinstall)
  • โŒ No response from support
  • โŒ Does not cover adblue system
  • โŒ No refunds offered
  • โŒ Cannot contact support via email/phone
  • โŒ Subscription not accessible
  • โŒ Service reset requires payment, then states not available
  • โŒ Shows false error codes
  • โŒ Requires uninstall to connect
  • โŒ Never works for Mini
  • โŒ Wouldn't reset airbag
  • โŒ Paid but doesn't work (no error codes found)
  • โŒ False advertising
  • โŒ Only works with Bluetooth adapters (not WiFi for iOS)
  • โŒ Will not link to iPhone
  • โŒ Not working on multiple car models
  • โŒ Only works with certain scanners
  • โŒ Money deducted, subscription not renewed
  • โŒ Not able to add Google ID on iPhone
  • โŒ Doesn't work at all for clearing codes
  • โŒ No communication from developer
  • โŒ Not functional after updates
  • โŒ Cannot pull or clear codes
  • โŒ Most GM PIDs not available
  • โŒ Live View Advanced PIDs missing
  • โŒ Does nothing for ABS module
  • โŒ Cannot escape error screen
  • โŒ Freezes or gives error during scan
  • โŒ Closes off and won't open
  • โŒ Cannot clear codes after paying for subscription
  • โŒ Requires account creation before use
  • โŒ Doesn't work with specific OBD adapters
  • โŒ Scanning issue (stops at 4%)
  • โŒ Injector coding not working
  • โŒ Not compatible with WiFi adapters for iOS
4.6(25 ratings)
Free
OBDGO PRO screenshot 1
OBDGO PRO screenshot 2
OBDGO PRO screenshot 3
OBDGO PRO screenshot 4
OBDGO PRO screenshot 5
OBDGO PRO screenshot 6

Unlock hidden vehicle features and perform OBD-II diagnostics with this app. It allows you to activate functionalities like wireless CarPlay, disable start-stop systems, and scan/clear trouble codes. Generate detailed diagnostic reports to understand and repair your car.

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This tool helps diagnose car engine issues by connecting to your vehicle's OBD port. It provides detailed reports on error codes, their causes, and live data, making car repair more efficient and accessible. The app offers a user-friendly interface and comprehensive vehicle support.

Read and clear engine codesDetailed diagnosis reportsCustomized live data display
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OBD2 Scanner | OBD Auto Doctor
OBD2 Scanner | OBD Auto Doctor
OBD2 Scanner | OBD Auto Doctor
Car Diagnostics & Check Engine
Free

Diagnose your car's engine light issues and monitor real-time performance data. This app allows you to read and clear diagnostic trouble codes, track fuel consumption, and view sensor data. It's a comprehensive tool for understanding your vehicle's health.

Read and clear OBD2 diagnostic trouble codes (DTC)Reset Check Engine LightMonitor real-time vehicle data and sensor readings
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LELink Scanner
LELink Scanner
LELink Scanner
OBD2 Tool & Car
Free

This app acts as an engine diagnostics tool, allowing users to read and clear trouble codes, view real-time engine data, and customize performance gauges. It supports a wide range of OBD-II compliant vehicles and offers advanced features for both hobbyists and professionals.

Read and clear trouble codesView real-time engine and sensor dataCustomizable gauges and dashboards
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Car Scannerโฎ ELM OBD2 327
Car Scannerโฎ ELM OBD2 327
Car Scannerโฎ ELM OBD2 327
OBD2 Diagnostic tool ELM 327
Free

Transform your smartphone into a powerful car diagnostic tool. Connect with a compatible OBD2 adapter to read trouble codes, monitor live sensor data, and understand your vehicle's health in real-time. Gain clarity on warning lights and prevent costly repairs with this intuitive automotive companion.

Read OBD2 Diagnostic Trouble Codes (DTC)Monitor live sensor dataReset Check Engine Light
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ChkOBD OBD2 Analyzer
ChkOBD OBD2 Analyzer
ChkOBD OBD2 Analyzer
A good diagnostic of your car
Free

Connect your iPhone or iPad to your car's engine to view vital data. Access basic engine values for free, with in-app purchases for advanced diagnostics, smog check readiness, VIN analysis, and error decoding.

View engine valuesIn-app purchase for advanced dataSmog Check Assistant
๐Ÿ”ง Utilities
(4)
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9
ELMCheck
ELMCheck
ELMCheck
Tests for ELM327/OBD scanners
Free

Verify the authenticity and functionality of your OBD-II scanner. This app runs comprehensive tests on ELM327 commands to report supported features, ensuring safe and reliable use with your vehicle.

Authenticity testing for OBD-II scannersComprehensive ELM327 command test suiteReports actual supported features
๐Ÿ”ง Utilities
(1)
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10
Steer: OBD2 Car Scanner
Steer: OBD2 Car Scanner
Steer: OBD2 Car Scanner
AI Mechanic & OBD Diagnostics
Free

Transform your smartphone into a powerful OBD2 diagnostic tool. Read and clear fault codes, monitor real-time performance metrics, and test your vehicle's acceleration and emissions. Compatible with a wide range of car brands and OBD2 scanners.

Universal OBD2 scanner compatibilityRead and erase fault codesReal-time performance metrics
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freemium