Kotatsu Next

byErogamer · Comics
Verified safeOpen sourceExclusive
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5.0
1 review
19
downloads
6.0
android

AI summary

Free open‑source manga/webtoon reader forked from Kotatsu Redo with fixes and new features like image filters and reader optimizations. Supports 1200+ online sources, offline reading, tracking integrations, and Material You UI. Caution: requests many permissions including MANAGE_EXTERNAL_STORAGE.

Generated by AI. May contain inaccuracies.

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About this app

Kotatsu Next is a free and open-source manga/webtoon reader for Android based on Kotatsu Redo with built-in online content sources. The main goal of this fork is to maintain existing features and sources from upstream while including additional fixes, optimizations and features.

Kotatsu Main Features:

- Online manga catalogues (with 1200+ manga sources) - Search manga by name, genres and more filters - Favorites organized by user-defined categories - Reading history, bookmarks and incognito mode support - Download manga and read it offline. Third-party CBZ archives are also supported - Clean and convenient Material You UI, optimized for phones, tablets and desktop - Standard and Webtoon-optimized customizable reader, gesture support on reading interface - Notifications about new chapters with updates feed, manga recommendations (with filters) - Integration with manga tracking services: Shikimori, AniList, MyAnimeList, Kitsu - Password / fingerprint-protected access to the app - Automatically sync app data with other devices on the same account - Support for older devices running Android 6.0+

DMCA disclaimer

The developers of this application do not have any affiliation with the content available in the app and does not store or distribute any content. This application should be considered a web browser, all content that can be found using this application is freely available on the Internet. All DMCA takedown requests should be sent to the owners of the website where the content is hosted.

License

GNU General Public License v3.0

What's new

v9.8.0Jul 14, 2026
  • # Kotatsu Next 9.8.0 Changelog:
  • ## Image Filters:
  • Added **Denoise**, **Dither**, and **Grain** image filters - All filters available as sliders in the Color Filter settings (portrait & landscape layouts) - Tap any filter label to enter an exact percentage value with presets and steppers - Filter pipeline order: Denoise → Sharpen → Vibrance → Dither → Grain (single-pass per tile) - Per-manga filter settings persist to database including all new filter fields - Filter settings UI fully wired: setters, observers, loading state, reset
  • ## Reader Performance & Memory:
  • Introduced `isConstrainedDevice()` (≤2GB total RAM) to correctly gate low-end optimizations that `isLowRamDevice()` misses on devices like Oppo A11k - On constrained devices: eager tile loading disabled, tile decode parallelism capped, prefetch reduced to 2 pages with 200MB free RAM threshold, `offscreenPageLimit` reduced to 1 - `FilteringRegionDecoder` now only installed when a CPU-side filter is actually active — contrast/saturation/brightness use ColorMatrix at zero memory cost - RGB_565 bitmap format applied automatically on constrained devices when 32-bit color is not explicitly enabled (halves tile memory usage) - Added `setMaxTileSize()` public API to SSIV fork
  • ## Reader Bug Fixes:
  • Fixed "Preparing..." screen stuck permanently on chapter 2+ for high-res images — caused by stale `PageState` triggering a phantom `ssiv.setImage()` on rebind; fixed by resetting state to `Empty` immediately in `PageViewModel.onBind()`
  • ## Miscs: - Updated deps. - Minor fixes. - Code cleanup.
  • --
  • ## Upstream: Redo v9.8.0 Ported Changes
  • Better automatic Cloudflare verification - Fix mangas not checked by the feed and history jump issue - Fix Usagi and ReadManga search - Fix AzoraMoon URL to AzoraFly - Added Divascans - Fix RaijinScans - Fix HoloToon - Fix ReYume - Fix MangaFire - Fix MangaDistrict - Added YuriBase - Fix HentaiNexus - Fix Hwago - Fix DoujinDesu

About this version

Version
9.8.0 (2037)
Size
15.12 MB
Requires Android
6.0
Target SDK
23
Architecture
arm64-v8a, armeabi-v7a, x86, x86_64
Downloads
19
Updated
Jul 14, 2026
Package
io.github.kotatsu.next

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