# 精准卫星3D地图 vs Compass666

The clearest difference is review sentiment: Compass666 at 100% against 精准卫星3D地图's 0%. 精准卫星3D地图's advantage is ads (none vs shown) and monetization model (free vs freemium). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

精准卫星3D地图 ships an update every 5 days, Compass666 weekly. Both last shipped on September 22, 2026.

## The numbers

| Metric | 精准卫星3D地图 | Compass666 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | **Free** | Freemium |
| Size | 55 MB | 3 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [淑娟 郑](https://appshunter.io/developer/1895046228) | [Qiangcent co., ltd.](https://appshunter.io/developer/1885425473) |

## What reviewers say

### 精准卫星3D地图

[App page](https://appshunter.io/ios/app/3d/id6768616853)

This navigation app offers precise satellite mapping, public transit information, and directional guidance. It leverages high-accuracy positioning and a smart compass to assist with daily commutes, outdoor adventures, and navigating unfamiliar areas.

**Highlights:** Satellite navigation, Public transit information, Directional guidance, High-accuracy positioning, Smart compass tool, Multi-scenario navigation

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

**In-app purchases:** none


### Compass666

[App page](https://appshunter.io/ios/app/compass666-compassgps/id6773754239)

This app provides precise directional guidance and environmental data. It offers a detailed compass, GPS coordinates, altitude, and a level tool for various outdoor and everyday needs. Enjoy a visually appealing interface with practical measurement capabilities.

**Highlights:** Precision compass with true and magnetic north, GPS data including coordinates and altitude, Address display based on current location, Level tool for measuring tilt, Barometer for air pressure and altitude changes, Elegant dark visual design

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

**In-app purchases:** none


## Frequently asked questions

### Is 精准卫星3D地图 free?

精准卫星3D地图 is free to download, with no in-app purchases.

### Is Compass666 free?

Compass666 is free to download, with no in-app purchases.

### Do 精准卫星3D地图 or Compass666 have ads?

Compass666 shows ads; 精准卫星3D地图 does not.

### Which is updated more often, 精准卫星3D地图 or Compass666?

精准卫星3D地图 ships an update every 5 days, and Compass666 weekly. Most recently, 精准卫星3D地图 was updated on September 22, 2026 and Compass666 on September 22, 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.*