# Diag vs Clocker App

The clearest difference is price: Diag at Free against Clocker App's $3.99. Diag also leads on iOS requirement (13.0 vs 17.0). Clocker App's advantage is update cadence (every 2 weeks vs every 2 months). On ads, in-app purchases and device support there is nothing between them.

Diag is free to download; Clocker App costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Diag ships an update every 2 months, Clocker App every 2 weeks. The most recent releases landed on November 4, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Diag | Clocker App |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/diag-china/id1434670517/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 249 MB | 8 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Autel Intelligent Technology Co., Ltd.](https://appshunter.io/developer/770747094) | [Roman Romadin](https://appshunter.io/developer/1881348213) |

## What reviewers say

### Diag

[App page](https://appshunter.io/ios/app/diag-china/id1434670517)

This diagnostic software package works with the MaxiAP200 to provide diagnostic functions for China vehicles. It offers a comprehensive suite of tools for vehicle maintenance and troubleshooting.

**Highlights:** Vehicle diagnostics, China vehicle support, Requires MaxiAP200, Maintenance tools, Troubleshooting functions

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

**In-app purchases:** none


### Clocker App

[App page](https://appshunter.io/ios/app/clocker-app/id6762062284)

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

**In-app purchases:** none


## Frequently asked questions

### Is Diag free?

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

### Is Clocker App free?

Clocker App costs $3.99, with no in-app purchases.

### Do Diag or Clocker App have ads?

Neither Diag nor Clocker App shows ads.

### Which is updated more often, Diag or Clocker App?

Diag ships an update every 2 months, and Clocker App every 2 weeks. Most recently, Diag was updated on November 4, 2026 and Clocker App 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.*