Readingo vs CHM Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Readingo
This app is a versatile reader supporting numerous file formats including TXT, EPUB, MOBI, and PDF. It offers extensive customization for reading themes, fonts, and bookshelf styles, along with advanced features like highlighting, notes, and audiobook support.
- Supports TXT, EPUB, MOBI, PDF, and more
- Opens compressed files (RAR, ZIP)
- Comprehensive category management
- Extensive formatting and page-turning options
- 24 built-in reading themes
- Highlighting and notes
- Audiobook support
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Basic Features: A powerful novel reading tool Currently supports TXT, EPUB, MOBI, AZW, AZW3, DOC, DOCX, CHM, UMD and PDF file formats. Supports opening RAR, ZIP, 7Z, and TAR compressed files directly within the app Comprehensive category management Extensive formatting options and multiple page-turning methods 24 built-in reading themes with color and texture options Clean interface and user-friendly interaction Global night mode Advanced Features: Powerful statistics system Highlighting and notes WiFi remote management Auto-read feature Audiobook support Customizable reading themes Customizable bookshelf styles Customizable covers Customizable fonts Direct TXT file editing More powerful configurations available in the Pro version
CHM Reader
This app provides a streamlined and efficient way to read CHM and TXT documents. It offers features like smart table of contents navigation, full-text search, adjustable font sizes, and night mode for a comfortable reading experience.
- Professional CHM format support
- Smart Table of Contents navigation
- Full-text search
- Adjustable font size
- Night mode
- Bookmark collection
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CHM Reader & Viewer - Professional CHM Document Reader A streamlined and efficient CHM document reader that provides you with a smooth and comfortable reading experience. Key Features: • Professional CHM Format Support - Perfect compatibility with various CHM documents, supporting multiple encoding formats • Smart Table of Contents Navigation - One-tap jump, quick content positioning • Powerful Search Function - Full-text search, instantly find the information you need • Personalized Reading - Font size adjustment, night mode • Bookmark Collection - Save important sections, offline access Designed specifically for efficient reading, making your document browsing more convenient. How to Use: After opening the app, click "+" to add CHM files and start reading. Encoding Support: Built-in encoding format toggle button in the reader menu, supports GBK, UTF-8 and other encodings, easily solve garbled text issues. Subscription Options: • Offers weekly and annual memberships, lifetime membership • Payment will be charged to your iTunes account • Auto-renewal occurs within 24 hours before subscription expires • Manage or cancel subscriptions anytime in account settings Designed specifically for efficient reading, making your document browsing more convenient. Terms of Service: https://chmreader.xzonesoft.com/terms.html Privacy Policy: https://chmreader.xzonesoft.com/privacy.html Contact Us: support@xzonesoft.com
Screenshots
Verdict
Readingo and CHM Reader both sit at 4.8 stars, but that hides the real split: 93% of Readingo's written reviews are positive against 43% of CHM Reader's. Readingo also leads on ratings volume (118 vs 2) and update cadence (every 9 days vs monthly). On price, rating, ads and in-app purchases 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. Readingo sells 1 one-off in-app purchase and CHM Reader sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.
CHM Reader holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Readingo has 118 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 93% of Readingo's written reviews are positive against 43% of CHM Reader's, so the app with the better star average is not the one people write more warmly about.
Readingo ships an update every 9 days, CHM Reader monthly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | Readingo | CHM Reader |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (118 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 93.2% of reviews — better | 42.9% of reviews |
| Number of ratings | 118 — better | 2 |
| Update frequency | Every 9 days — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 — better | 16 |
| Further details — not scored | ||
| Size | 54 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Beijing Idee Technology Co., Ltd. | 灿耿 陈 |
Customer experience
Readingo
CHM Reader
In-app purchases
Readingo
- Reading Pro$9.99
CHM Reader
- Weekly members$1.997 Days
- Annual Subscription$4.991 Year
- Lifetime Membership$6.99
