# 91扫描宝 vs 指南针

The clearest difference is update cadence: 指南针 at every 5 days against 91扫描宝's every 5 weeks. 91扫描宝's advantage is iOS requirement (11.0 vs 14.0). On price, ads, 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.

91扫描宝 ships an update every 5 weeks, 指南针 every 5 days. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 91扫描宝 | 指南针 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id6747735479/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | — | Free |
| Size | 59 MB | 3 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [北京译图智讯科技有限公司](https://appshunter.io/developer/1143789691) | [荐 梁](https://appshunter.io/developer/1784051678) |

## What reviewers say

### 91扫描宝

[App page](https://appshunter.io/ios/app/91/id1192182903)

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

**In-app purchases:** none


### 指南针

[App page](https://appshunter.io/ios/app/id6747735479)

This app provides precise outdoor navigation and environmental monitoring. It features a high-accuracy compass, real-time altitude and atmospheric pressure readings, and a smart camera that embeds environmental data into photos. Ideal for hikers, climbers, and adventurers.

**Highlights:** Precise compass navigation, Real-time altitude monitoring, Atmospheric pressure calculation, Oxygen concentration analysis, GPS-based speed tracking, Smart camera with data embedding, Sunrise/sunset time calculation

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

**In-app purchases:** none


## Frequently asked questions

### Is 91扫描宝 free?

91扫描宝 is free to download, with no in-app purchases.

### Is 指南针 free?

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

### Do 91扫描宝 or 指南针 have ads?

Neither 91扫描宝 nor 指南针 shows ads.

### Which is updated more often, 91扫描宝 or 指南针?

91扫描宝 ships an update every 5 weeks, and 指南针 every 5 days. Most recently, 91扫描宝 was updated on October 7, 2026 and 指南针 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.*