Tsundoku vs Kasane
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tsundoku
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Tsundoku is a reader for manga, comics, and books in your personal Komga or Kavita library. Connect to your own server to browse your collection and read comfortably on iPhone and iPad. Features: • Browse libraries, series, collections, reading lists, and recent updates • Read image archives, PDFs, and EPUBs with paged or vertical scrolling • Use right-to-left manga reading, spreads, zoom, brightness, bookmarks, and precise progress • Download books for offline reading • Continue reading across your devices and keep progress synchronized with your server • Search your library and organize your next read Tsundoku connects directly to the servers you configure. It does not collect analytics, advertising, or tracking data.
Kasane
Consolidate your scattered comic resources into a single, seamless library. Access and manage comics from local storage or remote servers with an elegant interface. Enjoy a fluid, immersive reading experience with support for multiple formats and advanced viewing options.
- Aggregate multiple comic sources
- Local comic management with metadata support
- OPDS 1.2 & 2.0 protocol compatibility
- Supports Komga, Kavita servers
- CBZ, PDF, EPUB format support
- Dual-page reading mode
- Smart wide-image cutting
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Kasane (重ね, かさね) derives from the Japanese word for "stacks". It is dedicated to seamlessly aggregating your scattered comic resources into one organized place, providing a fluid and immersive reading experience. Whether your comic library is treasured locally or hosted on remote servers, Kasane helps you connect and manage them effortlessly. Say goodbye to constantly switching between apps, and browse your entire collection within one elegant interface. Core Features & Management • Multi-Instance Aggregation: Connect and manage multiple library sources simultaneously. Bring all your scattered collections together in one place. • Local Comic Management: Efficiently organize your local library. With native support for reading ComicInfo.xml metadata, your covers, authors, summaries, and tags are always perfectly organized. • Native support for Komga: enjoy a more stable and complete reading experience. • Universal Standard Protocols: Fully compatible with OPDS 1.2 and OPDS 2.0. Easily connect to self-hosted comic servers like Kavita and Lanraragi. Furthermore, it supports two-way reading progress write-back via OPDS 2.0, ensuring your reading progress stays perfectly in sync across all your devices. Powerful & Flexible Reader • Multi-Format Support: A reading engine highly optimized for comics, smoothly parsing mainstream formats including CBZ, PDF, and EPUB. • Authentic Reading Experience: Features a dual-page reading mode, perfectly recreating the page-turning feel of physical comic books. • Smart Image Splitting: Intelligently splits wide or double-page spreads, ensuring large illustrations remain clear and highly readable on any phone or tablet screen. Layer your comic world within Kasane.
Screenshots
Verdict
The clearest difference is iOS requirement: Kasane at 17.0 against Tsundoku's 26.0. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Tsundoku | Kasane |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | — | Every 5 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Kiran Ramjisingh | 晨康 周 |
In-app purchases
Tsundoku
No in-app purchases
Kasane
No in-app purchases









