# CHM Sharp vs AR智慧园区

The clearest difference is in-app purchases: AR智慧园区 at none against CHM Sharp's 1. AR智慧园区 also leads on ads (none vs shown) and iOS requirement (11.0 vs 14.0). On price, update cadence and device support there is nothing between them.

Both are free to download. CHM Sharp sells 1 one-off in-app purchase. AR智慧园区 asks for nothing beyond the download.

CHM Sharp ships an update every 4 months, AR智慧园区 every 3 months. The most recent releases landed on September 9, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | CHM Sharp | AR智慧园区 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (11 ratings)](https://appshunter.io/ios/app/chm-sharp/id467098001/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 68.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free with in-app purchases | — |
| Size | 25 MB | 931 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [锦文 游](https://appshunter.io/developer/406832160) | [怡 梁](https://appshunter.io/developer/1152372847) |

## What reviewers say

### CHM Sharp

[App page](https://appshunter.io/ios/app/chm-sharp/id467098001)

This app is a reader for CHM (Microsoft Compiled HTML Help) documents on iOS devices. It allows for file management, searching within documents, and various viewing options. Transfer files easily via Wi-Fi or iTunes.

**Highlights:** CHM document reader, File sorting and searching, File management (copy, move, delete), Wi-Fi and iTunes file transfer, In-document search and highlighting, Pinch-to-zoom support, Bookmark functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $0.99 | one-time |


### AR智慧园区

[App page](https://appshunter.io/ios/app/ar/id6443980306)

**In-app purchases:** none


## Frequently asked questions

### Is CHM Sharp free?

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

### Is AR智慧园区 free?

AR智慧园区 is free to download, with no in-app purchases.

### Do CHM Sharp or AR智慧园区 have ads?

CHM Sharp shows ads; AR智慧园区 does not.

### Which is updated more often, CHM Sharp or AR智慧园区?

CHM Sharp ships an update every 4 months, and AR智慧园区 every 3 months. Most recently, CHM Sharp was updated on September 9, 2026 and AR智慧园区 on May 16, 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.*