ApkStore
KOReader
4.7
83
Views
28.75 MB
Size
3+
Age
KOReader screenshots (6)
Description KOReader
A Document Reader Engineered for Performance Over Polish
KOReader represents a specialized mobile application designed for users who prioritize functional document reading capabilities over aesthetic interface design. The application operates as a multi-format file viewer with a core architecture focused on minimal resource consumption and eliminating on-screen distractions. Its utility is defined by direct access to personal document libraries and extensive format support without integrated advertising or promotional content.
Core Functional Analysis
The primary operation involves navigating local device storage to locate and open files. Upon selection, the reader presents the document with a set of configurable viewing tools. The system supports a wide array of text and document formats, including EPUB, PDF, DjVu, XPS, CBZ, FB2, PDB, TXT, HTML, RTF, CHM, DOC, MOBI, and compressed ZIP archives. Performance optimization is a stated principle, with processing efficiency taking precedence over graphical elements.
User customization is facilitated through several display and interaction settings. These adjustments allow for tailoring the reading experience to different environments or preferences.
- Display Configuration: Includes a night mode for reduced eye strain and adjustable zoom controls for detailed document inspection.
- Navigation Utility: Provides essential keyboard and gesture shortcuts for faster browsing and document manipulation.
- Format Flexibility: Functions as a unified reader for over a dozen common file types, removing the need for multiple dedicated apps.
The absence of advertising and network-dependent features contributes to its lightweight profile. The interface remains strictly utilitarian, centering on document presentation and fundamental reading tools.
Limited Offer for Early Adopters
This version offers exclusive, ad-free access to a performance-focused reading toolkit. Download the mobile app now to consolidate your document library into a single, efficient reader before any potential feature restructuring.
Disclaimer: This application requires access to device storage to read personal document files. It does not contain in-app purchases or advertising. The developer does not provide content; users are responsible for the files they open. An internet connection is not required for core reading functions but may be needed for initial download and updates. Data usage is minimal and limited to basic application operations. Use is subject to the terms of the end-user license agreement.
Latest version
Version history
v2025.10-186-g599546988_2026-03-11
17.03.2026
Certificate signature:
8e9b54177731c170cbd26a365d17fbb7
Architecture:
arm64-v8a
Developer
Package name
org.koreader.launcher
Additional
Minimum version: Android + 4.3
Ratings and reviews for the app KOReader
Rate this app and leave a review for KOReader
You may also like
Baidu Input Method
Transform Your Typing Experience with AI-Powered Intelligence
Tired of clunky keyboards that slow down your conversations and creativity? Meet Baidu Input Method – your next-generation communication partner that understands not just what you type, but how you think. This isn't just another keyboard; it's a fully integrated suite of smart tools designed to make expressing yourself in any language faster, more accurate, and visually engaging. Whether you're crafting a detailed work email, chatting with friends across the globe, or searching the web, it anticipates your needs and delivers the right words at the right time.
Engineered for Speed, Accuracy, and Personal Expression
Baidu Input Method leverages advanced cloud AI and deep learning to provide a uniquely responsive and personalized typing experience. It goes beyond basic autocorrect, learning your individual writing style and frequently used phrases to offer predictive text that feels intuitive. The engine supports seamless voice-to-text conversion with high accuracy in noisy environments, and offers real-time translation between numerous languages directly within your chat window. For visual communication, it provides instant access to a vast, searchable library of stickers, emojis, and GIFs, alongside powerful tools for creating custom fonts and keyboard themes that reflect your personality.
Key Advantages That Set It Apart
AI-Enhanced Predictive Text & Sliding Input: Experience lightning-fast typing with smart word prediction and smooth gesture-based sliding input that learns your personal vocabulary and slang over time.
Multi-Mode Input & Real-Time Translation: Effortlessly switch between voice, handwriting, and keyboard input, with built-in AI translation for over 200 languages for seamless cross-language communication.
Fully Customizable Visual Interface: Personalize every aspect with thousands of high-definition themes, animated stickers, and custom font options to make your keyboard a true extension of your style.
Don't just type, communicate with intelligence and style. Join millions of users who have upgraded their digital conversations.
Download now and unlock exclusive, early access to our latest AI theme pack – available for free to the first 10,000 new users today!
Internet required. IAP available.
Earth&Moon
Transform Your Phone into a Living Window to the Cosmos
Tired of staring at the same static wallpaper every day? Imagine your screen coming alive with the serene, real-time dance of our planet and its celestial companion. Earth&Moon isn't just another personalization app; it’s a dynamic portal that brings the awe-inspiring beauty of space directly to your home screen and lock screen, turning every glance at your phone into a moment of cosmic connection.
A Dynamic Duo of Planetary Proportions
This app masterfully renders our home planet and the Moon in stunning, high-definition detail. You don't just set a picture; you curate a live scene. Watch Earth’s majestic rotation, with its swirling cloud cover and illuminated continents transitioning from day to night in real time. Simultaneously, witness the Moon orbiting gracefully alongside, its phase changing accurately based on the current lunar calendar. The perspective is yours to command—zoom in to admire intricate planetary details or pull back to see the elegant orbital ballet from a distance.
The true magic lies in the seamless integration and customization. This celestial display operates with minimal battery impact, providing a constantly evolving backdrop that feels both peaceful and profoundly grand. It’s a personal planetarium for your pocket, a sophisticated visual statement that sparks curiosity and wonder with every unlock.
Why Your Home Screen Needs Earth&Moon
Real-Time Celestial Mechanics: Experience an accurate, live simulation of Earth’s rotation and the Moon’s orbit and phases. The sky on your screen is never the same twice.
Breathtaking Visual Fidelity: Enjoy high-resolution, detailed renders of both planetary bodies. From the deep blue oceans to the Moon’s cratered surface, every detail is crafted for visual impact.
Ultra-Lightweight Performance: Designed for efficiency, the live wallpaper runs smoothly without draining your battery, ensuring beauty doesn’t come at a cost to your device’s performance.
Deep Personalization: Adjust visual styles, toggle informational overlays, and fine-tune the refresh rate. Make the cosmic view uniquely yours to match your mood and style.
A Constant Source of Wonder: Replace mundane static images with a living, breathing piece of the universe. It’s a daily reminder of our place in the cosmos, offering a unique blend of relaxation and inspiration.
Download Earth&Moon Now – Your Exclusive Pass to the Stars
This isn’t just a wallpaper update; it’s a complete transformation of your digital space. For a limited time, new users get exclusive access to this premium cosmic experience. Why settle for a still image when you can have a living universe in the palm of your hand? Bring the sublime beauty of space to your everyday—tap install and launch your personal window to the cosmos today.
Requires an internet connection for initial data synchronization and optimal functionality. Some advanced customization features may be available via in-app purchase. Compatible with devices running Android 5.0 and above.
Kik Messenger
Looking for a straightforward messaging platform that prioritizes direct communication without the clutter of mainstream social networks? Kik Messenger offers a focused environment for real-time text and media exchange, functioning as a practical alternative to services like WhatsApp with its clean interface and core feature set.
Core Communication Mechanics
The application operates on a principle of transparent, one-on-one and group messaging. Its delivery notification system provides clear, sequential status updates: a single checkmark indicates your message has been sent from your device, a second checkmark confirms its delivery to the recipient's device, and most distinctly, the appearance of the letters 'R' or 'S' informs you the message has been Read or that the recipient is Seeing it via live typing indicators. This granular feedback removes uncertainty from digital conversations. The platform supports the creation of persistent group chats, which are effective for coordinating events or maintaining ongoing discussions with multiple contacts. Media sharing is integrated directly into the chat flow, allowing users to send photographs instantly from their gallery or camera.
Experience and Usability
Kik provides its core messaging service free of charge and, notably, without displaying third-party banner or video advertisements within the chat interface. This is facilitated by its optional, subscription-based Kik Turbo service, which also unlocks additional customization and feature benefits. The design philosophy emphasizes simplicity, resulting in an uncluttered layout that makes navigation intuitive even for new users. It positions itself as a viable secondary option for those seeking a dedicated messaging tool with familiar functionality but a distinct ecosystem.
Transparent message status tracking with sent, delivered, and read receipts.
Persistent group chat functionality for planning and social coordination.
Integrated photo sharing directly within any conversation thread.
Ad-free core messaging experience supported by an optional Turbo subscription.
Streamlined, intuitive interface that minimizes learning curve and distraction.
For users seeking a no-frills, reliable messaging application with essential modern features, Kik Messenger presents a compelling option. Consider downloading it to experience its focused approach to communication.
Internet required. IAP available.
PitchLab Lite
Struggling to Tune Your Instrument or Train Your Ear by Ear?
PitchLab Lite transforms your Android device into a comprehensive, portable tuning and ear training studio. Whether you're a guitarist fine-tuning before a gig, a violinist practicing intonation, or a vocalist working on pitch accuracy, this app delivers professional-grade tools without the complexity. Move past guesswork and frustration—achieve perfect pitch and precise tuning with visual feedback and intelligent analysis designed for musicians at every level.
Master Your Sound with Precision Tools
PitchLab Lite provides a suite of dedicated modes for different musical tasks. The chromatic tuner offers a high-resolution strobe and needle display, responding accurately to any instrument or voice across a wide frequency range. For focused practice, use the dedicated instrument tuners for guitar, bass, violin, and more, which provide clear visual guidance for each string. The tone generator mode produces pure, stable reference tones for calibration and ear training, while the pitch pipe mode gives you quick access to standard notes. The app's core strength lies in its clear, customizable gauges and highly sensitive microphone input, allowing for reliable tuning even in noisy environments.
Key Advantages for the Modern Musician
The interface is designed for quick, intuitive use during practice or performance. You get a highly responsive, lag-free tuning experience with multiple display themes to suit your preference. The app is optimized to run smoothly on a vast range of Android devices, ensuring stable performance wherever you play. It’s the essential, no-fuss toolkit that focuses on delivering accurate results without unnecessary features cluttering your workflow.
Professional Chromatic & Instrument Tuners
Sensitive Microphone with Noise Filtering
Tone Generator and Pitch Pipe
Customizable Display & Visual Themes
Quick-Calibration Reference Tones
Optimized for Live Performance Use
Tune Faster, Play Confidently, Perform Perfectly
Stop compromising your sound with unreliable tools. PitchLab Lite gives you the clarity and precision you need to sound your best from the first note. Download the app now and experience the difference professional-grade tuning makes.
Download PitchLab Lite now and make perfect pitch your standard.
Requires an internet connection for initial download and optional features. The app may contain in-app purchases for additional instrument profiles or advanced features.
Link to Windows
Never Miss a Microsoft Update Again
Tired of juggling multiple apps from the same company, only to find out one is critically out of date? Managing your digital toolkit shouldn't feel like a chore. You want your essential apps—from communication to productivity—to run smoothly and securely, without you having to manually check each one. That scattered feeling ends now.
Link to Windows is your official, centralized hub for the entire Microsoft ecosystem on your Android device. Imagine a beautifully organized, ad-free dashboard that puts every Microsoft app at your fingertips. This isn't just a list; it’s your personal launchpad for discovering, installing, and maintaining the tools that power your day. You’ll experience the relief of knowing everything is current, directly from the source, ensuring you have the latest features and security patches the moment they’re released.
Your Gateway to a Seamless Microsoft Experience
This app transforms how you interact with Microsoft on mobile. Instead of searching the Play Store individually, you get a curated, clean view of everything available. See the full spectrum—from powerhouse suites like Office to innovative tools like SwiftKey Keyboard and Lens. A single tap on any "Install" button seamlessly whisks you to the official Google Play Store page for a safe, verified download. While it doesn’t automate installations (prioritizing your control and security), its true genius is in proactive maintenance.
You’ll receive clear, timely alerts about available updates for your installed Microsoft apps. No more surprise bugs or missing out on new functionalities. It’s like having a dedicated assistant who quietly ensures your digital workspace is optimized and ready for anything, giving you back precious time and mental space.
Why Your Phone Needs Link to Windows Today
Official & Trusted Source: Get all your Microsoft apps directly from the developer, guaranteeing authenticity and security.
Comprehensive Directory: Instantly access and explore the complete collection of Microsoft Android apps, including Skype, Outlook, Xbox, SwiftKey, Office Lens, and many more.
Smart Update Management: Stay effortlessly informed about which of your apps require updates, so you’re always running the latest, most secure versions.
Zero-Advertisement Interface: Enjoy a clean, focused, and distraction-free experience dedicated purely to managing your apps.
Turbo-Charged Convenience: Streamlines the entire process of discovery and maintenance into one intuitive, lightning-fast hub.
Download the Essential Microsoft Companion App Now
Stop letting outdated apps slow you down. Transform your Android device into a perfectly synchronized extension of your Microsoft world. This is your exclusive access to the simplest way to stay updated and in control.
Download Link to Windows today—this streamlined efficiency is waiting for your first click!
Internet required. IAP available.
My Health
A Comprehensive Health Ecosystem, Seamlessly Integrated into Your Device
My Health represents a foundational shift from a simple tracking app to a deeply integrated health management platform, engineered specifically for the TRANSSION device ecosystem. This application functions as a centralized command center, not merely collecting data but synthesizing information from your body and daily routines into actionable, professional-grade insights. Its core strength lies in its native optimization for a range of compatible smart wearables, creating a frictionless feedback loop between your wrist and your phone that operates with notable efficiency.
The platform’s architecture is built around seamless interoperability. Pairing a supported smartwatch—such as models from TECNO, Infinix, or the itel ISW-32—is a streamlined process that unlocks a continuous data stream. This integration powers a suite of smart notifications, including call alerts, message previews, and proactive sedentary reminders that vibrate on your wrist, effectively breaking long periods of inactivity. The absence of intrusive advertising, a feature often highlighted by users, ensures an uninterrupted, focused experience dedicated solely to health metrics.
Data aggregation is where My Health transitions from a tracker to an analyst. It doesn't just count steps; it contextualizes movement. The app provides detailed, professional evaluations for running, walking, and cycling activities, supported by a precise GPS route tracker that maps your path, pace, and elevation. Voice prompts offer real-time coaching during workouts, while post-session analytics break down performance trends over time. The step counter is notably accurate, allowing for the setting of dynamic daily goals that adapt to your personal fitness trajectory.
Beyond activity, the app delves into holistic biometric management. Its weight control module generates detailed weekly and monthly reports, charting fluctuations and correlating them with activity data to offer a clear visual narrative of your progress. The sleep monitoring system is equally sophisticated, distinguishing between light, deep, and REM sleep stages with precision. It doesn't just present charts; it interprets them, offering tailored advice to improve sleep hygiene and overall recovery. This is complemented by expert-curated knowledge bases on heart rate variability, body composition, and overall wellness, turning raw data into understandable health intelligence.
Seamless Wearable Sync: Effortlessly connect TECNO, Infinix, and itel smartwatches for real-time health data transfer and smart notifications.
Advanced Activity Profiling: Receive professional analysis for running, cycling, and walking with GPS route mapping and vocal feedback.
Precision Biometric Tracking: Monitor weight trends with detailed reports and analyze sleep stages (light, deep, REM) for improved rest.
Intelligent Wellness Ecosystem: Access expert knowledge libraries and get personalized insights on heart rate, fitness goals, and daily activity.
Uninterrupted User Experience: Enjoy a clean, ad-free interface designed for focused health management and long-term engagement.
Download the My Health mobile app now—exclusive, optimized access for TRANSSION device users is a limited-time offering. Transform your smartphone into a professional health dashboard today.
Disclaimer: This application requires an internet connection for full synchronization and certain features. It may contain in-app purchases. Use is subject to the terms of the developer. Data usage applies. This app involves health-related measurements and should not be used for medical diagnosis. Consult a healthcare professional for medical advice. Compatible device and wearable required for optimal functionality. Features may vary by region and device model.
Version history
KOReader v2025.10-186-g599546988_2026-03-11
17.03.2026
KOReader v2025.10-185-g5ffbeb52d_2026-03-09
17.03.2026
KOReader v2025.10-124-g2237dce2e_2026-02-10
17.03.2026
KOReader v2025.10-101-g34f9f3c5e_2026-01-29
17.03.2026
KOReader v2025.10-96-gea6089b6d_2026-01-20
17.03.2026
KOReader v2025.10-91-g8aa0322ab_2026-01-16
17.03.2026
KOReader v2025.10-86-gf9270bfec_2026-01-08
17.03.2026
KOReader v2025.10-70-g23eafce2e_2025-12-27
17.03.2026
KOReader v2025.10-57-g3644299a6_2025-12-12
17.03.2026
KOReader v2025.10-37-g9ee84c33a_2025-11-25
17.03.2026
KOReader v2025.10-18-g054df8e86_2025-11-12
17.03.2026
KOReader v2025.10-11-g576aaed08_2025-11-07
17.03.2026
KOReader v2025.10
17.03.2026
KOReader v2025.08-98-g13d2013f2_2025-10-04
17.03.2026
KOReader v2025.08-81-g9decbeb70_2025-09-28
17.03.2026
KOReader v2025.08-66-g735b6e983_2025-09-20
17.03.2026
KOReader v2025.08-65-g65de86a9a_2025-09-20
17.03.2026
KOReader v2025.08-61-gd9a6aff43_2025-09-16
17.03.2026
KOReader v2025.08-57-g28926634d_2025-09-15
17.03.2026
KOReader v2025.08-42-g7e63f91c8_2025-09-13
17.03.2026
KOReader v2025.08-29-g2facbef59_2025-09-02
17.03.2026
KOReader v2025.08-125-g84713b7c6_2025-10-20
17.03.2026
KOReader v2025.08-122-g5c20f8454_2025-10-18
17.03.2026
KOReader v2025.08-113-g158463fd9_2025-10-15
17.03.2026
KOReader v2025.08-107-g87445034b_2025-10-12
17.03.2026
KOReader v2025.08-101-g7c677bf2a_2025-10-06
17.03.2026
KOReader v2025.08
17.03.2026
KOReader v2025.04-67-g68a9a8d1e_2025-05-16
17.03.2026
KOReader v2025.04-181-g176d3dec6_2025-08-05
17.03.2026
KOReader v2025.04-167-gac03e9cf0_2025-07-20
17.03.2026
KOReader v2025.04
17.03.2026
KOReader v2024.11-190-ga15c294bc_2025-02-02
17.03.2026
KOReader v2024.11
17.03.2026
KOReader v2024.07
17.03.2026
KOReader v2024.04
17.03.2026
KOReader v2024.03.1
17.03.2026
KOReader v2024.01
17.03.2026
KOReader v2023.10
17.03.2026
KOReader v2023.08
17.03.2026
KOReader v2023.06.1-96-ge7e0d2edb_2023-08-25
17.03.2026
KOReader v2023.06.1-58-gccd29d36c_2023-08-04
17.03.2026
KOReader v2023.06.1
17.03.2026
KOReader v2023.06
17.03.2026
KOReader v2023.05.1
17.03.2026
KOReader v2023.04
17.03.2026
KOReader v2023.03
17.03.2026
KOReader v2023.01
17.03.2026
KOReader v2022.11
17.03.2026
KOReader v2022.10
17.03.2026
KOReader v2022.08
17.03.2026
KOReader v2022.07
17.03.2026
KOReader v2022.06
17.03.2026
KOReader v2022.05.1
17.03.2026
KOReader v2022.03.1
17.03.2026
KOReader v2022.02
17.03.2026
KOReader v2022.01
17.03.2026
KOReader v2021.12.1
17.03.2026
KOReader v2021.11
17.03.2026
KOReader v2021.10.1
17.03.2026
KOReader v2021.08
17.03.2026
KOReader v2021.07
17.03.2026
KOReader v2021.06
17.03.2026
KOReader v2021.05
17.03.2026
KOReader v2021.04
17.03.2026
KOReader v2021.03
17.03.2026
KOReader v2021.01.1
17.03.2026
KOReader v2020.08.1
17.03.2026
KOReader v2019.09.3-37-g09d49e2_2019-09-26
17.03.2026
KOReader v2019.08
17.03.2026
KOReader v2019.04-27-g7e06db9_2019-04-14
17.03.2026
KOReader 1.4
17.03.2026