PDF Maker vs ChatCharm Keyboard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Maker
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.
- 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
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Convert documents, photos, spreadsheets, presentations, and more into high-quality PDF files in just seconds. Convert PDFs to other formats, compress large files, protect important documents, and manage everything within a powerful application. Perfect for work, study, business, and everyday office work. Main Features • Convert Word, Excel, PPT, TXT, JPG, PNG, and other formats to PDF via photo albums, system files, other apps, and URLs. • Convert PDF to Word, image, and text formats. • Compress PDF files while maintaining quality. • Protect private documents with password encryption. • Fast file sharing and export. • Easy-to-use interface with fast processing speed. • Supports business, study, and daily office needs. • Sign PDF files quickly with handwritten or digital signatures. • Create, save, and reuse signatures for contracts, forms, invoices, and important documents. Why Choose Us • Fast and stable conversion. • High-quality PDF output. • Clean and concise design. • Powerful all-in-one PDF toolkit. • Save storage space with intelligent compression. • Ensure your files are safe and private. Whether you need to create, convert, compress, or protect PDF files, this app meets all your needs. -Payment will be charged to iTunes Account at confirmation of purchase. -Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current period. -Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Privacy Policy: http://paspott.com/pdf01/privacy.html Terms of User: http://paspott.com/pdf01/terms.html
ChatCharm Keyboard
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.
- AI-generated replies
- Tone and style improvement
- Real-time grammar and spelling check
- Seamless translation
- Clipboard management
- Quick phrase shortcuts
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ChatCharm Keyboard is your all-in-one AI typing assistant designed to improve how you write, reply, and communicate. Whether you're chatting, working, or writing content, ChatCharm helps you express yourself effortlessly. Key Features: • AI Reply – generate natural responses instantly • AI Rewrite – improve tone, clarity, and style • AI Proofread – fix grammar and spelling in real time • Translation – communicate across languages seamlessly • Clipboard Manager – save and reuse frequently used text • Quick Phrases – speed up repetitive typing tasks From casual chats to professional communication, ChatCharm helps you always say the right thing. https://sites.google.com/view/chatcharmkeyboardtermsofuse/%E9%A6%96%E9%A1%B5 https://sites.google.com/view/privacy-policy-for-chatcharm-k/%E9%A6%96%E9%A1%B5 duyulong84@gmail.com
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | PDF Maker | ChatCharm Keyboard |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (99 ratings) — better | 2.2 (47 ratings) |
| Positive reviews | 66.7% of reviews — better | 0.0% of reviews |
| Number of ratings | 99 — better | 47 |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15 — better | 15.6 |
| Further details — not scored | ||
| Size | 87 MB | 99 MB |
| Age rating | 4+ | 4+ |
| Developer | 泽裕 王 | 亚雯 雷 |
Customer experience
PDF Maker
ChatCharm Keyboard
In-app purchases
PDF Maker
- WeekMember$9.997 Days
- WeekMember3 Days trial$19.997 Days
- WeekMemberPro$19.997 Days
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- MonthMember$34.991 Month
- MonthMember$39.991 Month
ChatCharm Keyboard
- Weekly3 Days trial$19.997 Days
- Yearly$89.991 Year









