# ELMCheck vs ScanMaster Lite

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.

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.

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.

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.

## The numbers

| Metric | ELMCheck | ScanMaster Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/elmcheck/id6479630442/reviews)** | [3.7 (6 ratings)](https://appshunter.io/ios/app/scanmaster-lite-elm327-obd-2/id6740844775/reviews) |
| Number of ratings | 1 | **6** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 14 MB | 7 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fearless design, LLC](https://appshunter.io/developer/321056993) | [SMART Technologies GmBH](https://appshunter.io/developer/1320748539) |

## What reviewers say

### ELMCheck

[App page](https://appshunter.io/ios/app/elmcheck/id6479630442)

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:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Comprehensive testing | $2.99 | one-time |


### ScanMaster Lite

[App page](https://appshunter.io/ios/app/scanmaster-lite-elm327-obd-2/id6740844775)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $2.99 | per 7 days |
| Premium Monthly | $6.99 | per month |
| Premium Lifetime | $14.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*