Best Elm 327 Scan Apps

238+ iOS apps curated and reviewed

4.0 avg rating
19 free apps
Updated September 2026

OBD2 Scanner ELM327 is the household name in elm 327 scan, but it's far from the only option. We track 238+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Elm 327 Scan Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1OBD2 Scanner ELM327: GarageProOBD2 Scanner ELM327: GarageProFree4.3★ (19)NoYesSep 2026
2OBD2 Scanner: Torque ELM 327OBD2 Scanner: Torque ELM 327Free4.6★ (933)YesYesSep 2026
3OBDII Scanner ELM327 OBD2OBDII Scanner ELM327 OBD2Free3.4★ (5)NoYesAug 2026
4inCarDoc OBD2 ELM327 ScannerinCarDoc OBD2 ELM327 ScannerFree3.1★ (155)YesYesSep 2026
5OBDAI OBD2 Scanner & ELM327 AIOBDAI OBD2 Scanner & ELM327 AIFree4.5★ (14)NoYesSep 2026
6Car Scanner ELM OBD2Car Scanner ELM OBD2Free4.8★ (32K)YesYesSep 2026
7ScanMaster Lite: ELM327 OBD-2ScanMaster Lite: ELM327 OBD-2Free3.7★ (6)NoYesSep 2026
8MotorData OBD ELM car scannerMotorData OBD ELM car scannerFree4.6★ (48)NoYesSep 2026

Top Picks for Elm 327 Scan

4.3😞(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

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

Room to Improve

  • ❌ App crashes frequently
  • ❌ Does not load past splash screen
  • ❌ Not responding properly on iPhone
  • ❌ Cannot select new vehicle after changing cars
  • ❌ Fails to buy subscription
  • ❌ Perpetual license issues (lost after reinstall)
  • ❌ No response from support
  • ❌ Does not cover adblue system
  • ❌ No refunds offered
  • ❌ Cannot contact support via email/phone
  • ❌ Subscription not accessible
  • ❌ Service reset requires payment, then states not available
  • ❌ Shows false error codes
  • ❌ Requires uninstall to connect
  • ❌ Never works for Mini
  • ❌ Wouldn't reset airbag
  • ❌ Paid but doesn't work (no error codes found)
  • ❌ False advertising
  • ❌ Only works with Bluetooth adapters (not WiFi for iOS)
  • ❌ Will not link to iPhone
  • ❌ Not working on multiple car models
  • ❌ Only works with certain scanners
  • ❌ Money deducted, subscription not renewed
  • ❌ Not able to add Google ID on iPhone
  • ❌ Doesn't work at all for clearing codes
  • ❌ No communication from developer
  • ❌ Not functional after updates
  • ❌ Cannot pull or clear codes
  • ❌ Most GM PIDs not available
  • ❌ Live View Advanced PIDs missing
  • ❌ Does nothing for ABS module
  • ❌ Cannot escape error screen
  • ❌ Freezes or gives error during scan
  • ❌ Closes off and won't open
  • ❌ Cannot clear codes after paying for subscription
  • ❌ Requires account creation before use
  • ❌ Doesn't work with specific OBD adapters
  • ❌ Scanning issue (stops at 4%)
  • ❌ Injector coding not working
  • ❌ Not compatible with WiFi adapters for iOS
OBD2 Scanner: Torque ELM 327#2

OBD2 Scanner: Torque ELM 327 by Phong Pham

Torque OBD2 Car Scanner ELM327
Strong Contender
🔧 Utilities
4.6😞(933 ratings)
FreeAdsIn-App Purchases
OBD2 Scanner: Torque ELM 327 screenshot 1
OBD2 Scanner: Torque ELM 327 screenshot 2
OBD2 Scanner: Torque ELM 327 screenshot 3
OBD2 Scanner: Torque ELM 327 screenshot 4
OBD2 Scanner: Torque ELM 327 screenshot 5
OBD2 Scanner: Torque ELM 327 screenshot 6

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.

What We Love

  • 👍 Simple and easy to use setup
  • ✅ Works well for some vehicle models
  • ⭐ Useful for basic OBD2 scanning

Room to Improve

  • 💰 Expensive pricing for limited functionality
  • 🐛 Bluetooth connection drops frequently
  • ❌ Poor compatibility with many vehicle models
  • 📱 Deceptive UI with hidden exit menus
  • 🔒 Security concerns and unauthorized charges
  • ⚠️ Limited live data compared to competitors
  • 🚫 Paywall blocks most features in free version
  • 📊 Many sensors show N/A even in paid version
  • 🎯 Cannot select specific modules to scan
  • 🔌 Fails to recognize OBD2 devices
  • 📢 Excessive ads in free version
  • 🚨 Appears to be counterfeit/fake version of legitimate app

More Elm 327 Scan apps to explore

FAQ about Elm 327 Scan

What are the best elm 327 scan apps for iPhone?
OBD2 Scanner ELM327: GaragePro tops our elm 327 scan apps ranking as of September 2026, with a 4.3-star average from 19 App Store ratings, and it's free to download.
Yes — 19 of the top elm 327 scan apps we rank are free to download, including OBD2 Scanner ELM327: GaragePro and OBD2 Scanner: Torque ELM 327.
OBD2 Scanner ELM327: GaragePro has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 238+ elm 327 scan apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app functions as a comprehensive OBD scanning tool for vehicles. It allows you to read and delete fault codes from various ECUs, monitor live sensor data in real-time, and perform specialized functions such as injector coding and DPF regeneration. It also provides assistance with check engine lights and other dashboard warnings.
Key features include reading and clearing fault codes from Engine, ABS, SRS, and more; monitoring over 200 live data points with customizable graphs; accessing multi-mode OBD2 coverage; performing special functions like DPF regeneration and throttle reset; generating shareable PDF reports; and checking SMOG status for emission tests.