# 无线卫士 vs Altitude Compass

The clearest difference is price: Altitude Compass at Free against 无线卫士's $0.49. Altitude Compass also leads on rating (5.0 vs 3.5) and update cadence (every 3 days vs every 3 months). 无线卫士's advantage is in-app purchases (none vs 2) and iOS requirement (10.0 vs 15.0). On review sentiment, ratings volume, ads and device support there is nothing between them.

Altitude Compass is free to download; 无线卫士 costs $0.49 up front. Altitude Compass sells 2 one-off in-app purchases. 无线卫士 asks for nothing beyond the download.

Altitude Compass holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 15 and 17 respectively. Written reviews point the same way: 89% of 无线卫士's written reviews are positive against 95% of Altitude Compass's.

无线卫士 ships an update every 3 months, Altitude Compass every 3 days. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 无线卫士 | Altitude Compass |
| --- | --- | --- |
| Price | $0.49 | **Free** |
| Rating | [3.5 (15 ratings)](https://appshunter.io/ios/app/id995564289/reviews) | **[5.0 (17 ratings)](https://appshunter.io/ios/app/altitude-compass/id1642364007/reviews)** |
| Number of ratings | 15 | **17** |
| Positive reviews | 88.9% of reviews | **95.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | — | Paid |
| Size | 16 MB | 3 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [孝伟 李](https://appshunter.io/developer/981405429) | [锦滔 欧](https://appshunter.io/developer/1524196172) |

## What reviewers say

### 无线卫士

[App page](https://appshunter.io/ios/app/id995564289)

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

**In-app purchases:** none


### Altitude Compass

[App page](https://appshunter.io/ios/app/altitude-compass/id1642364007)

This tool provides real-time altitude, atmospheric pressure, and location data. It includes a camera with environmental watermarks, a level gauge, speedometer, and sunrise/sunset calculations. Customize the interface and view data via widgets.

**Highlights:** Switchable altitude data sources (GPS/altimeter), Real-time camera with environmental data watermarks, Level gauge, speedometer, sunrise/sunset calculator, Customizable UI with dark/light modes, Widget support for home and lock screens, Ad-free and privacy-focused design

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-day Trial | Free | one-time |
| Full Version Unlock | $0.99 | one-time |


## Frequently asked questions

### Is 无线卫士 free?

无线卫士 costs $0.49, with no in-app purchases.

### Is Altitude Compass free?

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

### Which has better reviews, 无线卫士 or Altitude Compass?

Altitude Compass is rated higher. 无线卫士 averages 3.5 out of 5 from 15 ratings, while Altitude Compass averages 5.0 from 17 ratings.

### Do 无线卫士 or Altitude Compass have ads?

Neither 无线卫士 nor Altitude Compass shows ads.

### Which is updated more often, 无线卫士 or Altitude Compass?

无线卫士 ships an update every 3 months, and Altitude Compass every 3 days. Most recently, 无线卫士 was updated on October 29, 2026 and Altitude Compass on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*