# 精准卫星地图 vs Compass GPS

The clearest difference is in-app purchases: 精准卫星地图 at none against Compass GPS's 5. 精准卫星地图 also leads on ads (none vs shown) and iOS requirement (13.7 vs 15.0). On price, review sentiment, update cadence and device support there is nothing between them.

Both are free to download. Compass GPS sells 5 in-app purchases, starting at $0.99 per 7 days. 精准卫星地图 asks for nothing beyond the download.

精准卫星地图 ships an update weekly, Compass GPS every 10 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 精准卫星地图 | Compass GPS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/compass-gps-altimeterspeed/id6754271113/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 13 MB | 14 MB |
| Requires iOS | **13.7** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [寅萍 丁](https://appshunter.io/developer/1825263052) | [启鹏 田](https://appshunter.io/developer/1845107614) |

## What reviewers say

### 精准卫星地图

[App page](https://appshunter.io/ios/app/id6748876429)

This navigation tool provides precise direction, location, and environmental data without an internet connection. It features customizable watch faces and offers insights into altitude, air pressure, and oxygen levels, making it ideal for outdoor adventures.

**Highlights:** Offline compass functionality, Real-time location and navigation, Altitude, speed, and coordinates, Magnetic field and air pressure monitoring, Oxygen concentration analysis, Sunrise/sunset prediction, Device tilt angle detection

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

**In-app purchases:** none


### Compass GPS

[App page](https://appshunter.io/ios/app/compass-gps-altimeterspeed/id6754271113)

This navigation app provides detailed location data, including direction, weather, and altitude. It also offers real-time GPS speed measurement and a bubble level for practical geographical understanding.

**Highlights:** Professional compass and positioning, Real-time GPS data display, GPS speed measurement, Bubble level, Altitude and weather information

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $0.99 | per 7 days |
| Monthly Pro | $1.99 | per month |
| Quarterly Pro | $3.99 | per 3 months |
| Annual Pro | $9.99 | per year |
| Compass Lifetime Pro | $12.99 | one-time |


## Frequently asked questions

### Is 精准卫星地图 free?

精准卫星地图 is free to download, with no in-app purchases.

### Is Compass GPS free?

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

### Do 精准卫星地图 or Compass GPS have ads?

Compass GPS shows ads; 精准卫星地图 does not.

### Which is updated more often, 精准卫星地图 or Compass GPS?

精准卫星地图 ships an update weekly, and Compass GPS every 10 days. Most recently, 精准卫星地图 was updated on October 25, 2026 and Compass GPS on October 24, 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.*