# OBD故障码助手 vs OBD CAN

The clearest difference is in-app purchases: OBD故障码助手 at none against OBD CAN's 2. OBD故障码助手 also leads on iOS requirement (7.1 vs 15.0). OBD CAN's advantage is update cadence (every 11 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. OBD CAN sells 2 in-app purchases, starting at $1.99 per month. OBD故障码助手 asks for nothing beyond the download.

OBD故障码助手 ships an update every 2 months, OBD CAN every 11 days. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | OBD故障码助手 | OBD CAN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Size | 24 MB | 67 MB |
| Requires iOS | **7.1** | 15.0 |
| 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) | [明道通途](https://appshunter.io/developer/909638339) |

## 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


### OBD CAN

[App page](https://appshunter.io/ios/app/obd-can-obd2-car-scanner/id6760162837)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $9.99 | per year |


## 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 OBD CAN free?

OBD CAN is free to download, with in-app purchases available.

### Do OBD故障码助手 or OBD CAN have ads?

Neither OBD故障码助手 nor OBD CAN shows ads.

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

OBD故障码助手 ships an update every 2 months, and OBD CAN every 11 days. Most recently, OBD故障码助手 was updated on October 26, 2026 and OBD CAN on October 28, 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.*