# 指南针 vs 海拔指南针 ～ 实时海拔高度气压测量

The clearest difference is price: 海拔指南针 ～ 实时海拔高度气压测量 at Free against 指南针's $0.99. 海拔指南针 ～ 实时海拔高度气压测量 also leads on update cadence (daily vs every 3 months) and iOS requirement (13.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

海拔指南针 ～ 实时海拔高度气压测量 is free to download; 指南针 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

指南针 ships an update every 3 months, 海拔指南针 ～ 实时海拔高度气压测量 daily. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 指南针 | 海拔指南针 ～ 实时海拔高度气压测量 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/id6748385653/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 4 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [登康 王](https://appshunter.io/developer/1801911796) | [Tangshan Xumaitong Network Technology Co., Ltd.](https://appshunter.io/developer/1690767280) |

## What reviewers say

### 指南针

[App page](https://appshunter.io/ios/app/id6745723760)

This advanced compass app provides real-time direction, precise location coordinates, altitude, and environmental data like barometric pressure. It features automatic calibration, haptic feedback, and a clean, dark-themed interface for outdoor use.

**Highlights:** Real-time direction and angle display, Precise GPS coordinates and altitude, Barometric pressure and magnetic field data, Automatic calibration with visual guidance, Haptic feedback for directional cues, Dark theme interface for outdoor use

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

**In-app purchases:** none


### 海拔指南针 ～ 实时海拔高度气压测量

[App page](https://appshunter.io/ios/app/id6748385653)

This app provides precise altitude, compass navigation, and location data using GPS and barometer technology. It also features a watermark camera that adds location and altitude details to photos, and integrates with high-accuracy maps for outdoor adventures and professional measurements.

**Highlights:** Precise altitude measurement, Integrated compass navigation, Accurate GPS coordinates, Real-time barometer monitoring, Map integration with location tracking, Watermark camera with location/altitude data, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 指南针 free?

指南针 costs $0.99, with no in-app purchases.

### Is 海拔指南针 ～ 实时海拔高度气压测量 free?

海拔指南针 ～ 实时海拔高度气压测量 is free to download, with no in-app purchases.

### Do 指南针 or 海拔指南针 ～ 实时海拔高度气压测量 have ads?

Neither 指南针 nor 海拔指南针 ～ 实时海拔高度气压测量 shows ads.

### Which is updated more often, 指南针 or 海拔指南针 ～ 实时海拔高度气压测量?

指南针 ships an update every 3 months, and 海拔指南针 ～ 实时海拔高度气压测量 daily. Most recently, 指南针 was updated on November 8, 2026 and 海拔指南针 ～ 实时海拔高度气压测量 on October 30, 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.*