# CDHM Tester vs AI指南针助手

The clearest difference is in-app purchases: CDHM Tester at none against AI指南针助手's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. AI指南针助手 sells 3 in-app purchases, starting at $9.99 per 7 days. CDHM Tester asks for nothing beyond the download.

CDHM Tester ships an update every 5 weeks, AI指南针助手 monthly. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | CDHM Tester | AI指南针助手 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 30 MB | 60 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [深圳雷诺智能技术有限公司](https://appshunter.io/developer/1764868485) | [忠法 周](https://appshunter.io/developer/1670518732) |

## What reviewers say

### CDHM Tester

[App page](https://appshunter.io/ios/app/cdhm-tester/id6667100044)

**Features:** macOS Compatibility

**In-app purchases:** none


### AI指南针助手

[App page](https://appshunter.io/ios/app/ai/id6753898094)

This utility app provides precise location data, including latitude, longitude, and altitude, along with real-time weather information. It offers features like GPS speed measurement, wind direction tracking, and the ability to capture photos with embedded location data. Unlock premium features for an ad-free experience and unlimited usage.

**Highlights:** Latitude and longitude display, Altitude measurement, Real-time weather updates, GPS speed tracking, Wind direction recording, Photo geotagging

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI指南针助手专业版 | $9.99 | per 7 days |
| AI指南针助手专业版 | $14.99 | per 7 days |
| AI指南针助手专业Pro+ | $14.99 | per month |


## Frequently asked questions

### Is CDHM Tester free?

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

### Is AI指南针助手 free?

AI指南针助手 is free to download, with in-app purchases available.

### Do CDHM Tester or AI指南针助手 have ads?

Neither CDHM Tester nor AI指南针助手 shows ads.

### Which is updated more often, CDHM Tester or AI指南针助手?

CDHM Tester ships an update every 5 weeks, and AI指南针助手 monthly. Most recently, CDHM Tester was updated on October 5, 2026 and AI指南针助手 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.*