Comparison

ELMCheck vs ScanMaster Lite

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

Head to head
About

ELMCheck

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.

Highlights
  • Authenticity testing for OBD-II scanners
  • Comprehensive ELM327 command test suite
  • Reports actual supported features
  • Ensures safe scanner usage
  • Basic tests are free
  • Unlock full suite with in-app purchase
Features
Read full description

Check the authenticity of your OBD-II scanner with ELMCheck. Most OBD-II scanners on the market use some variation of ELM327, but did you know that many scanners use clones of the original ELM327? It can be hard to tell, because these clones will work well enough for basic use but fail in unexpected scenarios. This is where ELMCheck comes in. ELMCheck offers a comprehensive set of test cases that cover the entire documented set of ELM327 commands. Regardless of which version your scanner says it is, ELMCheck can provide a comprehensive report of the features that are actually supported. Get the confidence you need to use your OBD-II scanner on your vehicle safely. ELMCheck is free to run basic tests. An in-app purchase will unlock the full test suite.

About

ScanMaster Lite

Monitor your car's real-time data, diagnose issues, and enhance performance with this OBD2 scanner app. Connect via Bluetooth to an OBD2 device or ELM 327 adapter to read fault codes and gain insights into engine health and fuel efficiency.

Highlights
  • Real-time vehicle monitoring
  • Read and clear OBD-II fault codes
  • Car performance metrics
  • Wide vehicle compatibility
  • User-friendly interface
  • Connects with ELM327 adapters
Features
Read full description

Take control of your vehicle’s health and performance with ScanMaster Lite: ELM327 OBD-2, the easiest and most efficient OBD2 car scanner app. With the ability to connect your car via Bluetooth to an OBD2 device or ELM 327 adapter, you can monitor your car's real-time data, diagnose issues, and enhance its performance like never before. Key Features: ◆ Real-time Vehicle Monitoring: Access live data from your car’s sensors, including speed, engine RPM, fuel consumption, and more. ◆ OBD Fault Codes: Read and clear OBD-II trouble codes, helping you identify potential issues with your car and avoid expensive repairs. ◆ Car Performance Metrics: Get insights into your car’s performance with detailed statistics on engine health, fuel efficiency, and other essential metrics. ◆ Remote Control: Remotely manage some vehicle functions to keep your car running smoothly. ◆ Wide Vehicle Compatibility: Supports a wide range of OBD2-compliant vehicles, ensuring it works with most cars manufactured worldwide. Why Choose ScanMaster Lite? ◆ User-Friendly Interface: Intuitive design makes it easy for both beginners and experienced users to navigate. ◆ Affordable Diagnostics: Save time and money by diagnosing issues at home before visiting the mechanic. ◆ Compatible with ELM327 Adapters: Seamlessly connects with popular OBD2 Bluetooth devices and ELM 327 adapters for quick setup and diagnostics. Whether you’re a car enthusiast, a DIY mechanic, or simply want to keep your car running smoothly, ScanMaster Lite: ELM327 OBD-2 is the perfect app to put you in control of your vehicle’s health. Premium Access: ◆ To access all the premium features and content, you need to subscribe or pay once for lifetime access. The cost of the purchase is charged to your iTunes account. ◆ Subscriptions automatically renew and are billed at the rate and period you choose based on your subscription plan. User accounts are charged for auto-renewal within 24-hours prior to the end of the current period. ◆ Subscriptions may be managed and auto-renewal may be turned off in iTunes Account Settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. You have any questions or concerns? Feel free to contact us. We're always here to help. Privacy Policy: https://sites.google.com/view/smart-technologies-gmbh/pp Term Of Service: https://sites.google.com/view/smart-technologies-gmbh/tos

Screenshots

ELMCheck4 screens
ScanMaster Lite3 screens

Verdict

The call

The clearest difference is review sentiment: ELMCheck at 100% against ScanMaster Lite's 0%. ELMCheck also leads on rating (5.0 vs 3.7) and update cadence (every 2 weeks vs every 5 months). ScanMaster Lite's advantage is ratings volume (6 vs 1). On price, ads, in-app purchases and monetization model 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. ELMCheck sells 1 one-off in-app purchase and ScanMaster Lite sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

ELMCheck holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: ScanMaster Lite has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of ELMCheck's written reviews are positive against 0% of ScanMaster Lite's.

UpkeepUpdate frequency

ELMCheck ships an update every 2 weeks, ScanMaster Lite every 5 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 5 level
ELMCheck versus ScanMaster Lite: the parameters behind the verdict, then further details
ParameterELMCheckScanMaster Lite
PriceFreeFree
Rating5.0 (1 ratings) — better3.7 (6 ratings)
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings16 — better
Update frequencyEvery 2 weeks — betterEvery 5 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, Mac — betteriPhone
Requires iOS18.017.0 — better
Further details — not scored
Size14 MB7 MB
Age rating4+4+
DeveloperFearless design, LLCSMART Technologies GmBH

Customer experience

ELMCheck

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

ScanMaster Lite

All ratings6 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

1 purchases

ELMCheck

One-time1
  • Comprehensive testing$2.99
3 purchases

ScanMaster Lite

Subscriptions2
  • Premium Weekly$2.997 Days
  • Premium Monthly$6.991 Month
One-time1
  • Premium Lifetime$14.99

Questions

Is ELMCheck free?
ELMCheck is free to download, with in-app purchases available.
Is ScanMaster Lite free?
ScanMaster Lite is free to download, with in-app purchases available.
Which has better reviews, ELMCheck or ScanMaster Lite?
ELMCheck is rated higher. ELMCheck averages 5.0 out of 5 from 1 ratings, while ScanMaster Lite averages 3.7 from 6 ratings.
Do ELMCheck or ScanMaster Lite have ads?
Neither ELMCheck nor ScanMaster Lite shows ads.
Which is updated more often, ELMCheck or ScanMaster Lite?
ELMCheck ships an update every 2 weeks, and ScanMaster Lite every 5 months. Most recently, ELMCheck was updated on November 4, 2026 and ScanMaster Lite on October 30, 2026.

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