# AutoOBDII vs INFINIT SMART KEY

The clearest difference is update cadence: INFINIT SMART KEY at every 5 weeks against AutoOBDII's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AutoOBDII ships an update every 4 months, INFINIT SMART KEY every 5 weeks. The most recent releases landed on July 20, 2026 and June 8, 2026 respectively.

## The numbers

| Metric | AutoOBDII | INFINIT SMART KEY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/autoobdii/id6503489503/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 83 MB | 54 MB |
| Requires iOS | 13 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Lonauto Technology Co., Ltd.](https://appshunter.io/developer/1744849406) | [Hatem Alsehimi](https://appshunter.io/developer/1797489738) |

## What reviewers say

### AutoOBDII

[App page](https://appshunter.io/ios/app/autoobdii/id6503489503)

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.

**Highlights:** Bluetooth vehicle communication, Fault code reading and clearing, Instrument panel monitoring, Performance testing, Travel analysis, High-speed data transmission, Low power consumption

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### INFINIT SMART KEY

[App page](https://appshunter.io/ios/app/infinit-smart-key/id6743720893)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AutoOBDII free?

AutoOBDII is free to download, with no in-app purchases.

### Is INFINIT SMART KEY free?

INFINIT SMART KEY is free to download, with no in-app purchases.

### Do AutoOBDII or INFINIT SMART KEY have ads?

Neither AutoOBDII nor INFINIT SMART KEY shows ads.

### Which is updated more often, AutoOBDII or INFINIT SMART KEY?

AutoOBDII ships an update every 4 months, and INFINIT SMART KEY every 5 weeks. Most recently, AutoOBDII was updated on July 20, 2026 and INFINIT SMART KEY on June 8, 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.*