# Simple Scanner vs 专业指南针

The clearest difference is update cadence: 专业指南针 at every 4 days against Simple Scanner's every 3 weeks. Simple Scanner's advantage is review sentiment (35% vs 14%). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Simple Scanner sells 3 in-app purchases, starting at $6.99 per 7 days and 专业指南针 sells 4 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Simple Scanner ships an update every 3 weeks, 专业指南针 every 4 days. Both last shipped on September 22, 2026.

## The numbers

| Metric | Simple Scanner | 专业指南针 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (5 ratings)](https://appshunter.io/ios/app/gps/id6752315093/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | **34.6% of reviews** | 14.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 127 MB | 43 MB |
| Requires iOS | 15.0 | 15 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [XF company](https://appshunter.io/developer/1817378610) | [Hutui tech](https://appshunter.io/developer/1814030829) |

## What reviewers say

### Simple Scanner

[App page](https://appshunter.io/ios/app/simple-scanner-measuredistance/id6748220175)

This utility app transforms your phone into a versatile scanning and measurement tool. It offers high-definition document scanning, precise distance and area measurement, efficient photo counting, and accurate text recognition for easy data management and information extraction.

**Highlights:** High-definition document scanning, Distance and area measurement, Photo counting for inventory, Text recognition (OCR), Document management and sharing

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 立即使用 | $6.99 | per 7 days |
| 免费使用 | $9.99 | per 7 days |
| 畅享全年 | $29.99 | per year |


### 专业指南针

[App page](https://appshunter.io/ios/app/gps/id6752315093)

This app offers precise directional guidance and location services, featuring a high-accuracy compass, altitude, and coordinate display. It also includes a smart level tool, real-time weather updates, and a camera that adds location-based watermarks to photos.

**Highlights:** High-accuracy electronic compass, Altitude and coordinate display, Smart level tool, Real-time weather information, Watermark camera with location data, Outdoor navigation and life assistant

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 立即使用专业指南针 | $6.99 | per 7 days |
| 立即使用 | $6.99 | per 7 days |
| 立即使用 | $6.99 | per 7 days |
| 立即使用专业指南针 | $29.99 | per year |


## Frequently asked questions

### Is Simple Scanner free?

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

### Is 专业指南针 free?

专业指南针 is free to download, with in-app purchases available.

### Do Simple Scanner or 专业指南针 have ads?

Neither Simple Scanner nor 专业指南针 shows ads.

### Which is updated more often, Simple Scanner or 专业指南针?

Simple Scanner ships an update every 3 weeks, and 专业指南针 every 4 days. Most recently, Simple Scanner was updated on September 22, 2026 and 专业指南针 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.*