# PDF Edit Reader vs CHM+

The clearest difference is rating: CHM+ at 3.0 against PDF Edit Reader's 2.0. PDF Edit Reader's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume, update cadence and device support there is nothing between them.

Both are free to download. CHM+ sells 1 one-off in-app purchase. PDF Edit Reader asks for nothing beyond the download.

CHM+ holds the better App Store score, 3.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

PDF Edit Reader ships an update every 2 months, CHM+ every 6 weeks. The most recent releases landed on August 25, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | PDF Edit Reader | CHM+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/pdf-edit-reader/id1315879900/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/chm-plus-chm-document-reader/id6745147168/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 83.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 37 MB | 16 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [练 黎](https://appshunter.io/developer/449387901) | [俊锋 仝](https://appshunter.io/developer/1209824000) |

## What reviewers say

### PDF Edit Reader

[App page](https://appshunter.io/ios/app/pdf-edit-reader/id1315879900)

This app allows you to view, edit, and create PDF documents. It offers features for scanning, commenting, organizing files, and sharing PDFs across various platforms. Manage your documents efficiently with this comprehensive PDF tool.

**Highlights:** PDF document editing, PDF creation from photos/images, Text and image annotation, File management and organization, PDF sharing and uploading, Document scanning

**Features:** Vision Pro support

**In-app purchases:** none


### CHM+

[App page](https://appshunter.io/ios/app/chm-plus-chm-document-reader/id6745147168)

This app provides a streamlined way to read CHM documents on iOS devices. It offers quick import from local storage and iCloud, fast opening of large files, and efficient chapter navigation. Enjoy a smooth reading experience with support for multiple encodings.

**Highlights:** Quick document import (local storage, iCloud), Fast opening of large CHM files, Table of contents chapter switching, Multi-screen collaboration on iPad, Support for multiple encoding types, Smooth reading experience

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CHM Pro | $4.99 | one-time |


## Frequently asked questions

### Is PDF Edit Reader free?

PDF Edit Reader is free to download, with no in-app purchases.

### Is CHM+ free?

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

### Which has better reviews, PDF Edit Reader or CHM+?

CHM+ is rated higher. PDF Edit Reader averages 2.0 out of 5 from 1 ratings, while CHM+ averages 3.0 from 2 ratings.

### Do PDF Edit Reader or CHM+ have ads?

CHM+ shows ads; PDF Edit Reader does not.

### Which is updated more often, PDF Edit Reader or CHM+?

PDF Edit Reader ships an update every 2 months, and CHM+ every 6 weeks. Most recently, PDF Edit Reader was updated on August 25, 2026 and CHM+ on September 26, 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.*