FileCobra Logo FileCobra
Kotatsu: Free & Open-Source Manga Reader with Sync Icon
Open Source v6.8.5 ✓ Checksum Published

Kotatsu v6.8.5 - Free & Open-Source Manga Reader with Sync

Direct high-speed download mirror for Kotatsu v6.8.5 (13.4 MB). Verified publisher release with cryptographic SHA-256 hash checksum.

⬇ Direct Download (13.4 MB) ★ 4.9/5.0 editor's rating • 410.0K+ downloads

Technical Specifications & System Requirements

Developer Kotatsu Team (Open Source)
Platform & OS Android 8.0+
Package Size 13.4 MB
Architecture ARM64-v8a, armeabi-v7a
Package Format APK
Security Verification SHA-256 checksum published
SHA-256 Cryptographic Checksum Computed from the file we serve
3b8b833eaf536416545c6442f528da8f99d6ec89b01006e364b190362e94ba85
$ sha256sum kotatsu-manga-reader-apk.apk
Embed Verified Badge in Your README Showcase verified release integrity to your users and community.
FileCobra Verified Clean

FileCobra Lab Verdict & Editorial Review

★ 4.9/5.0 Verified Review
The Bottom Line: Kotatsu is the easiest and most reliable open-source manga reader on Android. With built-in source parsers and a 13.4 MB footprint, it provides an instant, ad-free reading experience.

What We Liked (Pros)

  • Ready to read immediately with built-in multi-source search.
  • Smooth webtoon vertical reading mode with custom color filters.
  • 100% open source with automatic MyAnimeList and AniList synchronization.

Things to Keep in Mind (Cons)

  • Does not support custom CBZ local file importing.

How Kotatsu Compares to Top Alternatives

Tachiyomi vs Kotatsu

Tachiyomi supports local CBZ/CBR file importing and extension management, while Kotatsu focuses on out-of-the-box online reading.

Best for: Users who want to read local comic files from internal storage.
Seal vs Kotatsu

Seal is a video/audio downloader powered by yt-dlp, whereas Kotatsu is a specialized comic and manga reader.

Best for: Users who want to download and archive video content.

Kotatsu for Android — Free & Open-Source Manga Reader with Sync

Kotatsu is an acclaimed, high-speed free and open-source manga, manhwa, and comic reader application for Android developed by Koitharu. Engineered as a modern, lightweight alternative for readers who want unified catalog search without configuring complex external repositories, Kotatsu integrates dozens of online manga sources directly into an intuitive 13.4 MB package.

Featuring customizable reading orientations (Webtoon vertical, Japanese right-to-left, Western left-to-right), automatic chapter updates, offline downloads, color correction filters, and tracking integration with MyAnimeList, AniList, and Shikimori, Kotatsu provides an unrestricted reading experience.


🌟 Executive Overview & Key Tactical Highlights

Kotatsu combines simplicity and power. Unlike complex reader apps that require manual repository syncing, Kotatsu works right out of the box with zero advertisements.

Key Architectural Strengths:

  • 100% Free & Open Source (GPL-3.0): Zero ads, subscription paywalls, or privacy-invasive tracking.
  • Out-of-the-Box Catalog Search: Browse, search, and discover manga across multiple sources with single-tap ease.
  • Automated Tracker Synchronization: Automatically marks completed chapters on MyAnimeList and AniList.
  • Smart Offline Downloader: Batch download full volumes for offline reading during commutes and flights.
  • Companion Integration: Pairs perfectly with open-source tools like Tachiyomi and Seal.

📊 Technical Comparison: Kotatsu vs. Tachiyomi vs. Mihon

Feature DimensionKotatsu (FileCobra)TachiyomiMihon
Source SetupBuilt-in Out of the BoxExtensions RequiredExtensions Required
Download Size13.4 MB21.9 MB24.3 MB
Reading ModesWebtoon, LTR, RTLWebtoon, LTR, RTLEnhanced Webtoon
Tracker SyncMAL, AniList, ShikimoriMAL, AniList, KitsuMAL, AniList, Kitsu
License Model100% FOSS (GPL-3.0)100% FOSS (Apache 2.0)100% FOSS (Apache 2.0)

📋 System Requirements & Technical Specifications

Hardware ComponentMinimum RequirementRecommended Spec
Operating SystemAndroid 5.0 (Lollipop) or higherAndroid 10.0 / 12.0 / 13.0 / 14.0+
System RAM1 GB RAM3 GB RAM or higher
Storage Space30 MB for app + storage for manga5 GB+ for offline manga collections
ArchitectureUniversal ARM64, ARMv7, x86Universal ARM64-v8a

🛠️ Step-by-Step Installation & Setup Guide

  1. Download the authentic kotatsu-v6.8.5.apk package via FileCobra's high-speed direct mirror.
  2. In Android Settings, grant Install Unknown Apps.
  3. Open the APK and tap Install.
  4. Open Kotatsu, select your favorite manga sources, and begin reading ad-free!

❓ Frequently Asked Questions (FAQ)

Is Kotatsu completely ad-free?

Yes. Kotatsu is 100% free and open source under GPL-3.0 with zero advertisements or tracking SDKs.

Does Kotatsu require installing third-party extension repos?

No. Kotatsu has built-in source parsers, making it instantly ready to read upon installation without manual extension repository configurations.

Can I read Webtoons with continuous vertical scrolling in Kotatsu?

Yes. Kotatsu includes an optimized Webtoon reading mode with smooth continuous scrolling, dual-page splitting, and crop borders.

Key Highlights & Features

  • 100% Free & Open Source (GPL-3.0) — Zero Advertisements & Zero Paywalls
  • Built-in Multi-Source Online Manga Catalog Search & Reader
  • Custom Reading Modes: Webtoon Vertical, Japanese Right-to-Left & Western Comic
  • Automatic Reading Progress Sync with MyAnimeList, AniList & Shikimori
  • High-Speed Batch Offline Chapter Downloader with Automatic Storage Purge

Kotatsu UI & Interface Screenshots

Kotatsu: Free & Open-Source Manga Reader with Sync official screenshot preview 1
Kotatsu v6.8.5 interface preview (1/1)

Related Android APK Software & Alternatives

TachiyomiSY: Enhanced Category & Multi-Source Reader icon
TachiyomiSY 1.13.2 • Open Source
Tachiyomi: Free & Open-Source Manga Reader & Downloader icon
Tachiyomi 0.15.3 • Open Source
Neko: Dedicated MangaDex Manga & Manhwa Reader icon
Neko 3.6.3 • Open Source
TachiyomiJ2K: Enhanced Gesture Manga & Webtoon Reader icon
TachiyomiJ2K 1.7.4 • Open Source
F-Droid: Official Free & Open Source App Repository icon
F-Droid 1.20.0 • Open Source
Seal: Open-Source yt-dlp Video & Audio Downloader icon
Seal 1.13.1 • Open Source

Frequently Asked Questions & Verification Guide

Is Kotatsu completely ad-free?

Yes. Kotatsu is 100% free and open source under GPL-3.0 with zero advertisements or tracking SDKs.

Does Kotatsu require installing third-party extension repos?

No. Kotatsu has built-in source parsers, making it instantly ready to read upon installation without manual extension repository configurations.

Can I read Webtoons with continuous vertical scrolling in Kotatsu?

Yes. Kotatsu includes an optimized Webtoon reading mode with smooth continuous scrolling, dual-page splitting, and crop borders.