# Scan Master vs 智慧交警

The clearest difference is in-app purchases: 智慧交警 at none against Scan Master's 1. 智慧交警 also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Scan Master sells 1 one-off in-app purchase. 智慧交警 asks for nothing beyond the download.

Scan Master ships an update every 2 months, 智慧交警 every 3 weeks. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Scan Master | 智慧交警 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/scan-master-doc-scanner/id1064830365/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 30 MB |
| Requires iOS | 14.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GURUPRITSINGH SAINI](https://appshunter.io/developer/610312153) | [公共交通管理大队](https://appshunter.io/developer/1449565045) |

## What reviewers say

### Scan Master

[App page](https://appshunter.io/ios/app/scan-master-doc-scanner/id1064830365)

This app allows you to scan documents into high-quality PDFs or images. It offers features for file transfer, conversion of various file types to PDF, and a robust PDF reader. You can easily share, print, or save your scanned documents for future use.

**Highlights:** Scan documents to PDF/image, Optimize scan quality, File transfer via USB/WIFI, Convert various file types to PDF, Advanced PDF reader, Document viewer for multiple formats, Email and print documents

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Advertisements | $1.99 | one-time |


### 智慧交警

[App page](https://appshunter.io/ios/app/id1476041183)

**In-app purchases:** none


## Frequently asked questions

### Is Scan Master free?

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

### Is 智慧交警 free?

智慧交警 is free to download, with no in-app purchases.

### Do Scan Master or 智慧交警 have ads?

Scan Master shows ads; 智慧交警 does not.

### Which is updated more often, Scan Master or 智慧交警?

Scan Master ships an update every 2 months, and 智慧交警 every 3 weeks. Most recently, Scan Master was updated on October 9, 2026 and 智慧交警 on October 12, 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.*