# PDF Maker vs ChatCharm Keyboard

The clearest difference is review sentiment: PDF Maker at 67% against ChatCharm Keyboard's 0%. PDF Maker also leads on rating (4.5 vs 2.2) and ads (none vs shown). ChatCharm Keyboard's advantage is update cadence (weekly vs every 3 weeks). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. PDF Maker sells 5 in-app purchases, starting at $9.99 per 7 days and ChatCharm Keyboard sells 2 in-app purchases, starting at $19.99 per 7 days. Whichever you choose, the download price is not the number that matters.

PDF Maker holds the better App Store score, 4.5 against 2.2. Both are backed by a comparable volume of ratings — 99 and 47 respectively. Written reviews point the same way: 67% of PDF Maker's written reviews are positive against 0% of ChatCharm Keyboard's.

PDF Maker ships an update every 3 weeks, ChatCharm Keyboard weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | PDF Maker | ChatCharm Keyboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (99 ratings)](https://appshunter.io/ios/app/pdf-maker-converter-and-scanner/id6764216992/reviews)** | [2.2 (47 ratings)](https://appshunter.io/ios/app/chatcharm-keyboard/id6769270795/reviews) |
| Number of ratings | **99** | 47 |
| Positive reviews | **66.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 87 MB | 99 MB |
| Requires iOS | **15** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [泽裕 王](https://appshunter.io/developer/1895478515) | [亚雯 雷](https://appshunter.io/developer/6788065392) |

## What reviewers say

### PDF Maker

[App page](https://appshunter.io/ios/app/pdf-maker-converter-and-scanner/id6764216992)

Easily convert various file types to high-quality PDFs, compress large documents, and secure sensitive files with password encryption. This powerful toolkit is designed for work, study, and everyday office tasks, offering fast processing and a user-friendly interface.

**Highlights:** Convert documents, photos, and spreadsheets to PDF, Convert PDF to Word, images, and text, Compress PDF files while maintaining quality, Protect documents with password encryption, Sign PDF files with handwritten or digital signatures, Fast file sharing and export

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WeekMember | $9.99 | per 7 days |
| WeekMember | $19.99 | per 7 days |
| WeekMemberPro | $19.99 | per 7 days |
| MonthMember | $34.99 | per month |
| MonthMember | $39.99 | per month |


### ChatCharm Keyboard

[App page](https://appshunter.io/ios/app/chatcharm-keyboard/id6769270795)

Enhance your writing with an AI-powered keyboard that assists with replies, rewrites, and proofreading. Communicate effortlessly across languages and manage text snippets efficiently for faster typing.

**Highlights:** AI-generated replies, Tone and style improvement, Real-time grammar and spelling check, Seamless translation, Clipboard management, Quick phrase shortcuts

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $19.99 | per 7 days |
| Yearly | $89.99 | per year |


## Frequently asked questions

### Is PDF Maker free?

PDF Maker is free to download, with in-app purchases available.

### Is ChatCharm Keyboard free?

ChatCharm Keyboard is free to download, with in-app purchases available.

### Which has better reviews, PDF Maker or ChatCharm Keyboard?

PDF Maker is rated higher. PDF Maker averages 4.5 out of 5 from 99 ratings, while ChatCharm Keyboard averages 2.2 from 47 ratings.

### Do PDF Maker or ChatCharm Keyboard have ads?

ChatCharm Keyboard shows ads; PDF Maker does not.

### Which is updated more often, PDF Maker or ChatCharm Keyboard?

PDF Maker ships an update every 3 weeks, and ChatCharm Keyboard weekly. Most recently, PDF Maker was updated on October 24, 2026 and ChatCharm Keyboard 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.*