# 指南针 vs 海拔指南针 ～ 实时海拔高度气压测量

The clearest difference is in-app purchases: 海拔指南针 ～ 实时海拔高度气压测量 at none against 指南针's 1. 海拔指南针 ～ 实时海拔高度气压测量 also leads on update cadence (daily vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 指南针 sells 1 in-app purchase, starting at $3.99 per 7 days. 海拔指南针 ～ 实时海拔高度气压测量 asks for nothing beyond the download.

指南针 ships an update weekly, 海拔指南针 ～ 实时海拔高度气压测量 daily. The most recent releases landed on October 13, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 指南针 | 海拔指南针 ～ 实时海拔高度气压测量 |
| --- | --- | --- |
| Price | Free | 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 | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | — | Free |
| Size | 29 MB | 4 MB |
| Requires iOS | 14.3 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [青远 高](https://appshunter.io/developer/1801511574) | [Tangshan Xumaitong Network Technology Co., Ltd.](https://appshunter.io/developer/1690767280) |

## What reviewers say

### 指南针

[App page](https://appshunter.io/ios/app/id6744390375)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 指南针高级周会员 | $3.99 | per 7 days |


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

### 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 weekly, 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 October 13, 2026 and 海拔指南针 ～ 实时海拔高度气压测量 on October 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.*