# OBD Scan Pro vs CANviewer

OBD Scan Pro and CANviewer are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. OBD Scan Pro sells 1 in-app purchase, starting at $2.99 per month and CANviewer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

OBD Scan Pro ships an update every 2 weeks, CANviewer every 3 weeks. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | OBD Scan Pro | CANviewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 27 MB | 7 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tariq Al-aqrabawi](https://appshunter.io/developer/1877383192) | [洋 刘](https://appshunter.io/developer/6775317751) |

## What reviewers say

### OBD Scan Pro

[App page](https://appshunter.io/ios/app/obd-scan-pro/id6759904058)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OBD Scan Pro Premium | $2.99 | per month |


### CANviewer

[App page](https://appshunter.io/ios/app/canviewer/id6775532457)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CAN Log Viewer Pro | $3.99 | one-time |


## Frequently asked questions

### Is OBD Scan Pro free?

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

### Is CANviewer free?

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

### Do OBD Scan Pro or CANviewer have ads?

Neither OBD Scan Pro nor CANviewer shows ads.

### Which is updated more often, OBD Scan Pro or CANviewer?

OBD Scan Pro ships an update every 2 weeks, and CANviewer every 3 weeks. Most recently, OBD Scan Pro was updated on October 3, 2026 and CANviewer on October 4, 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.*