# Diag vs TabScan

The clearest difference is iOS requirement: TabScan at 11.0 against Diag'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.

Diag ships an update every 2 months, TabScan monthly. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Diag | TabScan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (14 ratings)](https://appshunter.io/ios/app/diag-vw/id1434670736/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 337 MB | 87 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Autel Intelligent Technology Co., Ltd.](https://appshunter.io/developer/770747094) | [OBD GO TECH CO LTD](https://appshunter.io/developer/1627457928) |

## What reviewers say

### Diag

[App page](https://appshunter.io/ios/app/diag-vw/id1434670736)

This diagnostic software package is designed for Volkswagen vehicles. It requires the MaxiAP200 main program to function and provides diagnostic capabilities for your car.

**Highlights:** Volkswagen vehicle diagnostics, Requires MaxiAP200, Diagnostic software package, Vehicle system analysis

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

**In-app purchases:** none


### TabScan

[App page](https://appshunter.io/ios/app/tabscan/id6447932761)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Diag free?

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

### Is TabScan free?

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

### Do Diag or TabScan have ads?

Neither Diag nor TabScan shows ads.

### Which is updated more often, Diag or TabScan?

Diag ships an update every 2 months, and TabScan monthly. Most recently, Diag was updated on November 4, 2026 and TabScan on November 3, 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.*