# Potdeco vs 指南针

The clearest difference is in-app purchases: Potdeco at none against 指南针's 2. Potdeco also leads on iOS requirement (11.0 vs 13.0). 指南针's advantage is update cadence (weekly vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. 指南针 sells 2 in-app purchases, starting at $15.49 per year. Potdeco asks for nothing beyond the download.

Potdeco ships an update every 7 months, 指南针 weekly. The most recent releases landed on August 4, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Potdeco | 指南针 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (13 ratings)](https://appshunter.io/ios/app/gps/id1614813115/reviews)** |
| Number of ratings | — | **13** |
| Positive reviews | — | 31.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 33 MB | 39 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tom Rombaut](https://appshunter.io/developer/1199569601) | [Chongqing Xinzhi Space Technology Co., Ltd.](https://appshunter.io/developer/1514572019) |

## What reviewers say

### Potdeco

[App page](https://appshunter.io/ios/app/potdeco/id1438455380)

**Features:** macOS Compatibility

**In-app purchases:** none


### 指南针

[App page](https://appshunter.io/ios/app/gps/id1614813115)

This app provides professional compass functionality, displaying real-time directional data, GPS coordinates, altitude, and atmospheric pressure. It includes tools like a coordinate camera and GPS speed measurement for outdoor enthusiasts.

**Highlights:** Real-time direction finding, GPS coordinates and altitude display, Atmospheric pressure and wind direction, GPS speed measurement, Coordinate camera, Map mode

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 指南针定位专业版试用 | $15.49 | per year |
| 指南针定位专业版 | $27.99 | one-time |


## Frequently asked questions

### Is Potdeco free?

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

### Is 指南针 free?

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

### Do Potdeco or 指南针 have ads?

Neither Potdeco nor 指南针 shows ads.

### Which is updated more often, Potdeco or 指南针?

Potdeco ships an update every 7 months, and 指南针 weekly. Most recently, Potdeco was updated on August 4, 2026 and 指南针 on September 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.*