# OBD故障码助手 vs OBD24K

The clearest difference is iOS requirement: OBD故障码助手 at 7.1 against OBD24K's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

OBD故障码助手 ships an update every 2 months, OBD24K every 3 months. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | OBD故障码助手 | OBD24K |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 24 MB | 134 MB |
| Requires iOS | **7.1** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [深圳市爱夫卡科技有限公司](https://appshunter.io/developer/980516490) | [思源 祝](https://appshunter.io/developer/1838597511) |

## What reviewers say

### OBD故障码助手

[App page](https://appshunter.io/ios/app/obd/id980516491)

**Features:** macOS Compatibility

**In-app purchases:** none


### OBD24K

[App page](https://appshunter.io/ios/app/obd24k/id6754353176)

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

**In-app purchases:** none


## Frequently asked questions

### Is OBD故障码助手 free?

OBD故障码助手 is free to download, with no in-app purchases.

### Is OBD24K free?

OBD24K is free to download, with no in-app purchases.

### Do OBD故障码助手 or OBD24K have ads?

Neither OBD故障码助手 nor OBD24K shows ads.

### Which is updated more often, OBD故障码助手 or OBD24K?

OBD故障码助手 ships an update every 2 months, and OBD24K every 3 months. Most recently, OBD故障码助手 was updated on October 6, 2026 and OBD24K on October 7, 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.*