Ink&Echo vs CaliMob
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ink&Echo
Organize and enjoy your personal ebook and audiobook collection in a unified, elegant library. Read, listen, or sync both simultaneously with customizable themes and advanced playback features. Import your existing content and experience a seamless reading and listening journey.
- Unified ebook and audiobook library
- EPUB and PDF reader
- Multiple audiobook formats supported
- Read-along feature
- Customizable themes
- Organize with filters and folders
- Metadata editing
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Your ebooks and audiobooks, in one calm, beautiful library. Import the books you already own, then read them, hear them, or do both at once. Ink & Echo is built for people who move between the page and the voice. READ • EPUB and PDF reader with an editorial layout • Apple-style page curl, and two-page reading on iPad • Focus Ink bolds the start of each word to guide your eye LISTEN • Audiobooks in M4B, M4A, MP3, FLAC and more • Chapters, speed control, 15 and 30 second skips, lock screen controls • Background playback, offline listening and AirPlay • Spatial Audio switch for stereo audiobooks • Read-along follows the EPUB as the audiobook plays, highlighting each word (Premium) ORGANIZE • Filters, folders and sorting • Edit metadata and replace covers • Scan a book's barcode in Discover to open it instantly • Daily picks MAKE IT YOURS • 38 free themes, from pure OLED black to warm Paper EVERYWHERE • iPad with a sidebar • Home Screen widget • Apple CarPlay (Premium) • iCloud sync of progress, bookmarks, folders and settings (Premium) FREE, WITH ONE OPTIONAL UNLOCK Importing, reading, listening, organizing and every theme are free. Premium is a single purchase with no subscription. It adds Read-along, Sleep Timer, Bookmarks, iCloud sync, CarPlay and more. Ink & Echo ships no books. Add only content you are allowed to use.
CaliMob
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Your entire Calibre library, in your pocket. CaliMob syncs your Calibre ebook library to your phone or tablet — with full support for EPUB, PDF, CBR/CBZ/CB7, MOBI, AZW3 and audiobooks. Read, annotate, and pick up exactly where you left off. FORMATS & READERS • EPUB reader with custom fonts, themes, margins and text-to-speech (TTS) • Comic and manga reader with full-screen mode (CBR, CBZ, CB7) • PDF viewer with reflow support • MOBI and AZW3 reader — no conversion needed • Audiobook player (MP3, M4B, AAC, OGG, FLAC) SYNC YOUR LIBRARY • Connect to Calibre's own Content Server over Wi-Fi • Google Drive, Dropbox, OneDrive — use your existing cloud storage • WebDAV, FTP and SFTP for self-hosted setups • OPDS catalog browsing (Calibre-Web, Kavita, Komga and more) FIND ANY BOOK INSTANTLY • Filter by author, series, tag, publisher or format • AI-powered semantic search across your entire collection • Multiple libraries with independent settings DESIGNED FOR READING • Dark mode with true black OLED theme • Reading progress tracking with statistics • Highlights, bookmarks and notes • Offline reading — download books for reading anywhere • Customizable reading experience (fonts, spacing, colors) • Import books from any app via share intent PRIVATE & SECURE • Your books stay on your device and your cloud — no third-party servers • No ads, no tracking CaliMob is built for Calibre users who want their library everywhere. Whether you read novels, comics, manga, technical PDFs or listen to audiobooks — CaliMob handles it all. Questions or feedback? Visit caliwebapp.com/help
Screenshots
Verdict
The clearest difference is in-app purchases: CaliMob at none against Ink&Echo's 1. 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. Ink&Echo sells 1 one-off in-app purchase. CaliMob asks for nothing beyond the download.
Ink&Echo ships an update weekly, CaliMob every 4 days. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.
| Parameter | Ink&Echo | CaliMob |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (21 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 21 — better | — |
| Update frequency | Weekly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 29 MB | 113 MB |
| Age rating | 4+ | 4+ |
| Developer | Gary Zhuo | Frada SRL |
In-app purchases
Ink&Echo
- Lifetime Premium Unlock$10.00
CaliMob
No in-app purchases









