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.

Odds Calculator for Poker

Beautiful Odds Calculator

Free

Calculate your poker equity against multiple opponents using hand ranges. This tool helps you determine win rates in complex scenarios where opponent holdings are uncertain, supporting up to 10 players.

Tile Poster

Print a wall poster on A4

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.

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.

FrameSmoother: 60fps SlowMo

AI Frame Interpolation 120fps

$1.99

Transform choppy videos into smooth footage with AI-powered frame interpolation. Achieve fluid slow-motion effects up to 8x, or convert videos to 60 or 120fps. Process videos locally on your device for enhanced privacy.

Copy All: Text

Select All for web pages

Free

This utility enhances web browsing by adding a "Select All" function to Safari, allowing users to easily copy entire web pages or specific article content. It offers various formatting options for copied text and prioritizes user privacy with no ads or in-app purchases.

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.

Score Skates

by Kohei Shinohara

$4.99

This figure skating scoring application allows users to score skaters based on the International Judging System (IJS). It offers multiple modes for different user levels, from beginners to advanced competitors, and includes features for managing and sharing score protocols.

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.

Memento Mori - 死を想え

Days, weeks, full moons left

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.

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.