Best Kohei Apps & Games

小説Viewer

by kohei kido

Free

Read online novels comfortably on your iPhone or iPod Touch, even without an internet connection. Customize text, track reading progress, and organize your library with folders. Extract and download novels from various websites.

PCM Recorder Lite

High Quality Voice Recorder

Free

Record audio in high-fidelity PCM or compressed AAC formats. This app offers background recording, customizable sampling rates, and playback controls. Easily manage and share your recordings, with options to convert formats and recover deleted files.

Kanji Lupe

by Prunus

Free

Enlarge and display characters with detailed writing order. Access pronunciation, readings, and meanings via Wiktionary. Supports full-screen and adjustable fonts for learning.

PFP Maker: Round Photo Crop

Make Round Profile Pictures

Free

Easily create professional, circular profile pictures for social media and gaming platforms. This app offers intuitive controls for precise framing and high-quality export, ensuring your avatar looks sharp and perfectly centered in seconds.

NJRecalls

by Kohei Natori

Free

Unofficial app for browsing Japanese translations of "Ninja Slayer," a popular webcomic. Access content published via the @NJSLYR Twitter account.

Miharu – Website Monitor

Page changes, prices, restocks

Free

This app automatically monitors web pages for changes, sending instant alerts when specific conditions are met. It can detect text modifications, keyword appearances, new links, and price fluctuations. Users can customize monitoring areas and receive notifications via push, email, or Slack.

Morse Code - Learn

Easy Fun Morse Code

Free

Learn Morse code through interactive chat conversations. Practice using light, sound, or touch for faster memorization. Create and share MP4 video messages with Morse code translations.

GuessFreeMines - UnambiSweeper

Classic & logical puzzle game

Free

This logical puzzle game eliminates guesswork from classic mine-sweeping. It offers unambiguous solutions, hints, and unique modes like "strict mode" for a pure logic challenge. Track your progress with rankings and detailed game statistics.

Tile Poster

Split Photos into Poster PDFs

Free

Transform any photo into a large, printable poster by splitting it into a grid and generating a multi-page PDF. Customize grid size, paper format, margins, and overlap for easy assembly. Ideal for creating custom decorations and large-format visuals with standard printers.

Memento Mori - 死を想え

Visualize your remaining time

Free

This app visualizes your remaining time with real-time countdowns of days and hours. It offers features like a life progress bar, week grids, and daily reminders to encourage living each moment fully. All data is stored locally for privacy.

Portrait Blur Background

Easy Background Blur

Free

Easily blur the background of any photo, keeping your subject sharp and clear. Enhance portraits and social media images with adjustable blur strength. Perfect for quick, simple photo editing without complex features.