ELMCheck vs AutoOBDII
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
Read full descriptionHide 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.
AutoOBDII
This application connects to your vehicle via Bluetooth to perform diagnostics and offer driving assistance. It can read and clear fault codes, analyze performance, and track your journeys. Supports multiple languages and high-speed data transmission.
- Bluetooth vehicle communication
- Fault code reading and clearing
- Instrument panel monitoring
- Performance testing
- Travel analysis
- High-speed data transmission
- Low power consumption
Read full descriptionHide full description
AutoOBDII is a car diagnostic and monitoring application,support English,Español,Русский,Deutsch,Français,日本語,中文,Italiano,한국어,Português. Through phone, use Bluetooth to communicate with the vehicle terminal to complete fault diagnosis and driving assistance functions. It has automobile detection and analysis functions such as fault code reading and clearing, instrument panel, performance test, and travel analysis. It also supports high-speed data transmission and has the advantages of low power consumption and ultra-power saving. caution: 1. Support the adapter that runs through Bluetooth 4.0/5.0. 2. The parameters supported by each vehicle are different, which has nothing to do with AutoOBDII, but is related to the vehicle control unit. 3. AutoOBDII supports LONAUTO series products.
Screenshots
Verdict
The clearest difference is in-app purchases: AutoOBDII at none against ELMCheck's 1. AutoOBDII also leads on iOS requirement (13 vs 18). ELMCheck's advantage is update cadence (every 10 days vs every 4 months). On price, rating, ratings volume and ads 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
Both are free to download. ELMCheck sells 1 one-off in-app purchase. AutoOBDII asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for ELMCheck against 5.0 for AutoOBDII. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
ELMCheck ships an update every 10 days, AutoOBDII every 4 months. The most recent releases landed on September 16, 2026 and July 20, 2026 respectively.
| Parameter | ELMCheck | AutoOBDII |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 10 days — better | Every 4 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, Mac — better | iPhone, iPod |
| Requires iOS | 18 | 13 — better |
| Further details — not scored | ||
| Size | 6 MB | 83 MB |
| Age rating | 4+ | 17+ |
| Developer | Fearless design, LLC | Shenzhen Lonauto Technology Co., Ltd. |
Customer experience
ELMCheck
AutoOBDII
In-app purchases
ELMCheck
- Comprehensive testing$2.99
AutoOBDII
No in-app purchases
