SendMyEbook vs KOOBONE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SendMyEbook
Easily transfer ebooks to your Kindle device without a computer. Supports EPUB to MOBI/AZW3 conversion and custom cover creation. Optimize TXT files and create custom Kindle lock screens.
- Send ebooks to Kindle wirelessly
- EPUB to MOBI/AZW3 conversion
- Edit ebook metadata and covers
- TXT file optimization
- Create custom Kindle lock screens
- Supports multiple ebook formats
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SendMyEbook is a powerful Send to Kindle tool that lets you easily transfer ebooks to your Kindle. Supports EPUB to MOBI / AZW3 conversion and wireless delivery. No computer, no Calibre required. [Key Features] • Send to Kindle: Transfer ebooks to Kindle via WiFi, fast and easy • Format Conversion: Convert EPUB to MOBI / AZW3 / TXT • Multiple Formats: Supports mobi, azw3, epub, txt and more • Metadata Editor: Edit title, author, cover and other details • Custom Cover: Import or generate ebook covers • TXT Optimization: Auto detect chapters and improve reading experience • Kindle Lock Screen: Create lock screen images from PNG / JPG [Why Choose SendMyEbook] • No cable, no computer needed • A simpler alternative to Calibre • Clean and minimal design • Fast and stable Kindle delivery Perfect for: • Sending EPUB files to Kindle • Converting ebooks for Kindle • Managing and transferring ebooks on your phone Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
KOOBONE
This app helps manage EPUB comics by uploading them to cloud storage. It offers automatic categorization, custom tagging, and local caching for offline reading.
- EPUB comic management
- Cloud storage
- Automatic categorization
- Custom tagging
- Local caching for offline reading
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協助管理EPUB格式漫畫。將EPUB格式漫畫上傳並保存在雲端伺服器中，可自動分類、設定自訂標籤，同時也可以將漫畫快取到本地後閱讀。
Screenshots
Verdict
The clearest difference is in-app purchases: KOOBONE at none against SendMyEbook's 3. KOOBONE also leads on review sentiment (77% vs 57%) and iOS requirement (15.0 vs 18.0). On price, rating, ratings volume and update cadence 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. SendMyEbook sells 3 in-app purchases, starting at $0.99 per month. KOOBONE asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for SendMyEbook against 5.0 for KOOBONE. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews are what separate them: 57% of SendMyEbook's written reviews are positive against 77% of KOOBONE's.
SendMyEbook ships an update fortnightly, KOOBONE every 3 weeks. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.
| Parameter | SendMyEbook | KOOBONE |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Positive reviews | 57.1% of reviews | 77.4% of reviews — better |
| Number of ratings | 1 | 2 — better |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 154 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | 亮 何 | Juanmoe tech (Shenzhen) Limited |
Customer experience
SendMyEbook
KOOBONE
In-app purchases
SendMyEbook
- Monthly Subscription$0.991 Month
- Yearly Subscription$3.991 Year
- Lifetime$5.99
KOOBONE
No in-app purchases
