CHMate vs 3DAR Edu App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CHMate
This app offers a robust reading experience for EPUB and CHM eBooks. Organize your library, add bookmarks and notes, and customize your reading environment. Share passages and easily search within your books.
- Organize eBooks into collections
- Add bookmarks and notes
- Customizable fonts and line height
- Fast scrolling and pagination
- Highlight favorite passages
- Built-in search functionality
- Share quotes with friends
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Default ebook formatting does not always suit the way you read. CHMate turns your personal files into a calm, comfortable reading corner. A customizable wooden bookshelf with an ambient lamp and personal decor. Download free. Unlock multiple books with a single one-time purchase. A BOOKSHELF OF YOUR OWN • Wooden shelves and ambient lamp: Display your personal collection with warm bookshelf lighting. • Shelf decor: Arrange animated ornaments, plants, paintings, and shelf-edge figures. • Personal memories: Decorate with photos, Live Photos, or silent looping videos (MP4/MOV). • Custom layout: Freely move, resize, and favorite your decor items. TAILORED TYPOGRAPHY • Page colors: Choose from six page colors independently of your typography theme, with light, dark, or automatic appearance. • Precise reading controls: Adjust font size, line height, page margins, and fonts for body, headings, and code. • Custom font import: Read with built-in fonts or import your own font files. • Horizontal and vertical reading: Switch text orientation where supported for Chinese and Japanese text. • iCloud theme sync: Save your custom typography themes and sync them across your devices. TOOLS & LOCAL IMPORT • Supported formats: Read your own EPUB and CHM files with structured table of contents navigation. • Local Wi-Fi transfer: Send files directly from your computer browser over your local network. • Reading tools: Search full text across chapters, add highlights, and review notes in one place. HONEST PRICING • Free download with complete reading features for your current book. • Unlock multiple books with a single one-time in-app purchase. • No subscriptions and no ads.
3DAR Edu App
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Welcome to the 3DAR Edu App, an augmented reality learning experience. FEATURES: - Augmented Reality - Screenshot and Sharing - 3D Object - Record and Replay - Interactive Quiz
Screenshots
Verdict
The clearest difference is in-app purchases: 3DAR Edu App at none against CHMate's 1. 3DAR Edu App also leads on iOS requirement (15.0 vs 26.0). On price, update cadence, ads and device support 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. CHMate sells 1 one-off in-app purchase. 3DAR Edu App asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 21, 2026 and October 20, 2026 respectively.
| Parameter | CHMate | 3DAR Edu App |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (20 ratings) — better | — |
| Positive reviews | 55.3% of reviews | — |
| Number of ratings | 20 — better | — |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 51 MB | 178 MB |
| Age rating | 4+ | 4+ |
| Developer | 贤安 陈 | Edu Apps (Mal) Sdn. Bhd. |
Bugs and requests
CHMate
Reported bugs
13 issues- App crashes when searching CHM files
- Crashes when using tap-hold for bookmarking
- Highlighting functionality broken after iOS updates
- Notes and bookmarks not saving properly
- Highlights disappear or move between chapters
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- App crashes on startup or when opening files
- Table of contents index expansion broken
- Custom fonts blocked after iOS 14.5 update
- Files not accessible via iCloud or Dropbox
- Missing icons after updates
- Images display as half-dark or missing
- Text formatting changes not visible without page reload
- First line spacing issues
Requested features
12 requests- Dark mode and additional color themes (Sepia)
- Book cover display instead of text-only library view
- PDF support
- Text-to-speech functionality
- Better pagination options
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- iPad Pro resolution support
- iOS multi-window support
- Better bookmark functionality
- Separate highlighting and annotation tools
- Support for Cyrillic and Arabic text encoding
- Collection/folder organization for multiple files
- Zip file support for documentation sets
3DAR Edu App
Not enough reviews yet to summarise bugs or requests.
In-app purchases
CHMate
- CHMate+$9.99
3DAR Edu App
No in-app purchases
