# 指南针Pro版 vs Magnetometer...

The clearest difference is in-app purchases: 指南针Pro版 at none against Magnetometer...'s 2. 指南针Pro版 also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Magnetometer... sells 2 in-app purchases, starting at $1.99 per month. 指南针Pro版 asks for nothing beyond the download.

## The numbers

| Metric | 指南针Pro版 | Magnetometer... |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | — |
| Size | 22 MB | 97 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [海秀 谢](https://appshunter.io/developer/1738725815) | [Olga Ivanova](https://appshunter.io/developer/1733570435) |

## What reviewers say

### 指南针Pro版

[App page](https://appshunter.io/ios/app/pro-gps/id6793917806)

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

**In-app purchases:** none


### Magnetometer...

[App page](https://appshunter.io/ios/app/magnetometer/id6808420517)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| magnetometer_by_oliva_subscription | $1.99 | per month |
| magnetometer_by_oliva_donation | $1.99 | one-time |


## Frequently asked questions

### Is 指南针Pro版 free?

指南针Pro版 is free to download, with no in-app purchases.

### Is Magnetometer... free?

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

### Do 指南针Pro版 or Magnetometer... have ads?

Magnetometer... shows ads; 指南针Pro版 does not.

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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.*