iOS/ANDROID TOTAL DOWNLOADS

APPS

Making everyday life and work simpler.

I develop practical tool apps to make daily life and work more comfortable. Find a little help for your everyday.

Explore the apps
Tool apps for diagrams, schedules, and tables
73 apps for everyday possibilities

Small tools. More possibilities.

Simple Table - Note as table # Simple CheckTable Simple Flowchart Simple MatchTable Every Diagram AI HTML Editor Simple Relationship Map Simple Flowchart AI iSpotMap: Popular Travel Spots Simple Stock List # Idea AI - Blend keywords Simple Timetable Reply AI for AppReview Simple Relationship Map AI # Simple Purchase Order Simple Visualize AI MLB Player News Smart ToDo Simple JavaScript FanNews: People You Like Simple Flyer & Poster Maker Simple Slide: Slide Maker Simple Python # Simple Photo Collage Gift Cierge: Your Gift Partner Simple FAQ # Simple Delivery Note iEvery - Daily Habit Notes Simple Resume InkNote - Handwritten Notes ReqSpec AI: Manage Specs # Simple Trip Planner Simple Diary: With Your Buddy Simple LED Scrolling Sign Simple Rust Simple Keyword News Transfer Assistance
iGanttChart: Gantt Chart App Flowchart AI iTournament: Simple Tournament Simple Table AI: Note with AI ER Diagram AI Relationship Map AI BulletsMind - Simple Outliner Simple Markdown Editor GanttchartAI: GanttChart by AI Outline AI Simple Sequence Diagram AI Simple Shift Sheet Simple Receipt Simple Quote Simple Income & Expense PatoRepo Simple Menu Maker # Simple Graph Simple Business Card Maker Simple HTML AI Simple TypeScript # Simple Sales Tracker Simple Invoice Marp Slide: Markdown Maker Simple Payslip PoseCraft: Simple Pose Maker Marp Slide AI Simple Pixel Art HTML Slide AI Simple Slide AI Simple Photo Album # Simple Shop Card Maker Simple Document: Easy Editor # Simple POS Stamp Card / Loyalty Card Manga Sommelier

Apps we offer

All the apps I have released. Open an app to learn more.

Simple Table - Note as table

Simple Table - Note as table

Note as Table / Sheet simply

4.7 334,268+ (iOS + Android)
iGanttChart: Gantt Chart App

iGanttChart: Gantt Chart App

Simple Gantt Chart Application

82,936+ (iOS + Android)
# Simple CheckTable

# Simple CheckTable

Flexible Checklist creation made easy!

4.6 77,610+ (iOS + Android)
Flowchart AI

Flowchart AI

AI-powered Flowchart Diagram Creation

64,935+ (iOS + Android)
Simple Flowchart

Simple Flowchart

Create Flowcharts Easily on Mobile.

58,513+ (iOS + Android)
iTournament: Simple Tournament

iTournament: Simple Tournament

Create Tournament Brackets

4.3 17,093+ (iOS + Android)
Simple MatchTable

Simple MatchTable

Easily Create Match Table with smartphone!

15,418+ (iOS + Android)
Simple Table AI: Note with AI

Simple Table AI: Note with AI

Note as Table / Sheet simply

4.3 14,108+ (iOS + Android)
Every Diagram AI

Every Diagram AI

Easily Create Diagrams with AI!

13,585+ (iOS + Android)
ER Diagram AI

ER Diagram AI

AI makes ER diagrams easy

13,117+ (iOS + Android)
HTML Editor

HTML Editor

Simple and easy-to-use app for editing HTML.

4.1 12,528+ (iOS + Android)
Relationship Map AI

Relationship Map AI

Easily Create Diagrams Using the Latest AI!
Simple Relationship Map

Simple Relationship Map

Create Relationship Map Easily on Mobile
BulletsMind - Simple Outliner

BulletsMind - Simple Outliner

A simple and easy-to-use outline processor like MindMap.

4.0
Simple Flowchart AI

Simple Flowchart AI

Create flowcharts easily with the latest AI
Simple Markdown Editor

Simple Markdown Editor

Note as Markdown text simply
iSpotMap: Popular Travel Spots

iSpotMap: Popular Travel Spots

Find Trending Tourist Spots
GanttchartAI: GanttChart by AI

GanttchartAI: GanttChart by AI

Create Gantt Chart with AI

4.4
Simple Stock List

Simple Stock List

Create stock lists easily on your phone.

4.3
Outline AI

Outline AI

Easily Create Outline Using the Latest AI!

4.5
# Idea AI - Blend keywords

# Idea AI - Blend keywords

Solo AI & KW Brainstorm
Simple Sequence Diagram AI

Simple Sequence Diagram AI

AI-powered Sequence Diagram Creation

5.0
Simple Timetable

Simple Timetable

Gantt Timeline Scheduler App

4.8
Simple Shift Sheet

Simple Shift Sheet

Easy shift scheduling
Reply AI for AppReview

Reply AI for AppReview

Reply AI is an app that automatically generates replies to user store comments.

4.0
Simple Receipt

Simple Receipt

Easy Receipt Creator
Simple Relationship Map AI

Simple Relationship Map AI

AI-powered Relationship Map
Simple Quote

Simple Quote

Quote Maker & Estimate App
# Simple Purchase Order

# Simple Purchase Order

Easy Purchase Order Creator
Simple Income & Expense

Simple Income & Expense

Income & expense money tracker

4.7
Simple Visualize AI

Simple Visualize AI

Visualize Anything with AI

4.0
PatoRepo

PatoRepo

Helps daily numerical management such as factory inspections
MLB Player News

MLB Player News

Follow your favorite players

5.0
Simple Menu Maker

Simple Menu Maker

Create Menus Quickly & Easily
Smart ToDo

Smart ToDo

ToDo app with hierarchical task management
# Simple Graph

# Simple Graph

Create Charts from Tables
Simple JavaScript

Simple JavaScript

JavaScript Editor / Runtime

4.0
Simple Business Card Maker

Simple Business Card Maker

Create Cards Quickly & Easily
FanNews: People You Like

FanNews: People You Like

Follow your favorite people.

4.0
Simple HTML AI

Simple HTML AI

AI HTML Maker & Editor

4.0
Simple Flyer & Poster Maker

Simple Flyer & Poster Maker

Create Flyers Quickly & Easily
Simple TypeScript

Simple TypeScript

TypeScript Code Editor / Runtime

4.0
Simple Slide: Slide Maker

Simple Slide: Slide Maker

Create and Present with Ease
# Simple Sales Tracker

# Simple Sales Tracker

Track and manage sales easily

5.0
Simple Python

Simple Python

Python Code Editor / Runtime

4.0
Simple Invoice

Simple Invoice

Create and manage invoices easily on your smartphone or tablet.
# Simple Photo Collage

# Simple Photo Collage

Combine Photos into Collages
Marp Slide: Markdown Maker

Marp Slide: Markdown Maker

Create and Present on Mobile
Gift Cierge: Your Gift Partner

Gift Cierge: Your Gift Partner

Need a Gift? We’ll Help!
Simple Payslip

Simple Payslip

Create Pay Stubs & Payslips
Simple FAQ

Simple FAQ

FAQ Maker & Manager
PoseCraft: Simple Pose Maker

PoseCraft: Simple Pose Maker

Create Various Poses with Ease
# Simple Delivery Note

# Simple Delivery Note

Easy Delivery Note Creator
Marp Slide AI

Marp Slide AI

Create with AI, Edit Freely
iEvery - Daily Habit Notes

iEvery - Daily Habit Notes

Track mood, health, meds, drinks, study, workouts, and daily habits
Simple Pixel Art

Simple Pixel Art

Pixel Art Maker for Everyone
Simple Resume

Simple Resume

Create Resumes & CVs Easily
HTML Slide AI

HTML Slide AI

Create Slides Freely with HTML
InkNote - Handwritten Notes

InkNote - Handwritten Notes

Write notes and export PNG/PDF
Simple Slide AI

Simple Slide AI

Create slides easily with AI
ReqSpec AI: Manage Specs

ReqSpec AI: Manage Specs

Easily create and manage requirements and specifications.
Simple Photo Album

Simple Photo Album

Create, Slideshow & PDF, Print
# Simple Trip Planner

# Simple Trip Planner

Plan trips & create itinerary
# Simple Shop Card Maker

# Simple Shop Card Maker

Create Shop Cards Easily
Simple Diary: With Your Buddy

Simple Diary: With Your Buddy

Journaling Is Fun with a Buddy
Simple Document: Easy Editor

Simple Document: Easy Editor

Create and Edit Docs Easily
Simple LED Scrolling Sign

Simple LED Scrolling Sign

LED Scrolling Text Made Simple
# Simple POS

# Simple POS

Checkout & Sales for Events
Simple Rust

Simple Rust

Rust Editor / Runtime
Stamp Card / Loyalty Card

Stamp Card / Loyalty Card

Design & Print Cards for Shops
Simple Keyword News

Simple Keyword News

Favorite & Trending News
Manga Sommelier

Manga Sommelier

A Line Bot app that recommends manga
Transfer Assistance

Transfer Assistance

Shortcut extension for transit guidance

Mandala

Take notes with 3x3 or 9x9 grids.

iOS Android Web

Workshop Materials

These are materials created for past study sessions.

For our algorithm study group, we use the book 「 Introduction to Algorithms, Third Edition, Volume 1 (Japanese edition) 」 which is used as a textbook at MIT and elsewhere. It provides very thorough explanations of mathematical proofs. Some parts are challenging, but with patience you can build a solid understanding.
Originally published in English as ( Introduction to Algorithms (The MIT Press) ) it is a tome of over 600 pages.

There are many books on design patterns, but the so-called bible is 「 Design Patterns: Elements of Reusable Object-Oriented Software (Japanese edition) 」 commonly known as the 「 GoF book 」 . However, it can be a bit formal and hard to read, so I recommend 「 Introduction to Design Patterns in Java, Revised and Expanded Edition (Japanese edition) 」 instead.

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Latest News

# Simple POS was released on Android.

InkNote - Handwritten Notes was released on Android.

Stamp Card / Loyalty Card was released on Android.

Simple LED Scrolling Sign was released on Android.

Simple Keyword News was released on Android.

Simple Rust was released on Android.

Simple Diary: With Your Buddy was released on Android.

Simple Pixel Art was released on iOS.

# Simple Trip Planner was released on iOS.

Simple Python was released on iOS.

Simple Document: Easy Editor was released on Android.

Simple Resume was released on iOS.

Simple Photo Album was released on iOS.

PoseCraft: Simple Pose Maker was released on iOS.

Simple Payslip was released on iOS.

Marp Slide: Markdown Maker was released on iOS.

# Simple Trip Planner was released on Android.

Simple Photo Album was released on Android.

# Simple Shop Card Maker was released on iOS.

# Simple Sales Tracker was released on iOS.

# Simple Delivery Note was released on iOS.

# Simple Photo Collage was released on iOS.

Simple Pixel Art was released on Android.

PoseCraft: Simple Pose Maker was released on Android.

Simple Payslip was released on Android.

Simple Resume was released on Android.

Marp Slide AI was released on iOS.

# Simple Photo Collage was released on Android.

# Simple Shop Card Maker was released on Android.

# Simple Sales Tracker was released on Android.

# Simple Delivery Note was released on Android.

Simple Slide: Slide Maker was released on iOS.

HTML Slide AI was released on iOS.

Simple Menu Maker was released on iOS.

Simple Flyer & Poster Maker was released on iOS.

Simple Slide AI was released on Android.

Simple Slide: Slide Maker was released on Android.

Marp Slide: Markdown Maker was released on Android.

Marp Slide AI was released on Android.

HTML Slide AI was released on Android.

Simple Business Card Maker was released on iOS.

Simple Menu Maker was released on Android.

Simple Flyer & Poster Maker was released on Android.

Simple Business Card Maker was released on Android.

MLB Player News was released on Android.

iSpotMap: Popular Travel Spots was released on Android.

iEvery - Daily Habit Notes was released on iOS.

FanNews: People You Like was released on Android.

ReqSpec AI: Manage Specs was released on iOS.

Simple Python was released on Android.

iEvery - Daily Habit Notes was released on Android.

Simple TypeScript was released on iOS.

View all news

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Copyright © 2011 - Yuki Tanaike All rights reserved.     Frequently Asked Questions     Notation based on the Act on Specified Commercial Transactions     ToS / PP