Posts

2025

The Future of Overwork in the Age of AI

I believe one of the next major social issues will be overwork caused by collaborating with AI. I’ve already experienced it over the past few months, so I’d…

AI Is Changing Work—And Indie Devs Feel It First

I’ve been making a living as an independent app developer for over 10 years, and lately, I’ve been experiencing—quite intensely—the so-called “AI-driven work…

AI Speeds Up Dev, Cloning Comes Easy Too

Lately, I’ve been developing apps with AI every day. It’s incredibly easy. And fast. You can build out all kinds of features instantly. And the AI we use for…

2024

ChatGPT Revolutionizes App and Blog Localization

It has been a year since I started using ChatGPT. I mainly use it for programming and language translation, and the translation tasks, in particular, have been…

I watched “Oppenheimer” in a packed theater in Japan, the atmosphere following the atomic bomb experiment was indescribably intense

The other day, I finally went to see the movie “Oppenheimer” that I had been wanting to watch for so long. It’s a Nolan film, and its historical background is…

I made a comparison video between ChatGPT and iPhone’s text-to-speech

Hello. I am someone who, about 15 years ago, wanted to listen to web news and blogs via text-to-speech while doing other things, so I created a reading app.…

2023

Having a Game I’m Really Into Makes Every Day Incredibly Enjoyable

About a month ago, I became hooked on mahjong, the ultimate game. It’s a bit late in my life to start, but that’s how it is. In the past, I might have thought,…

2017

As a solo developer, I decided to offer phone support, and this is what happened

This year, around February, I started offering telephone support for Taxnote, which I hadn’t done up until then, because the idea made me anxious. I intended…

A Better Text to Speech App for Pocket & Evernote Users

Pocket for iOS has own text to speech function, but it’s not useful enough because of the following reasons. Pocket App Problem 1.You can’t make Playlist to…

2016

The Top 10 Most Useful Tools for iPhone/iPad Business & Development

I’ve been developing iPhone/iPad apps for over 5 years as an indie iOS developer who makes a living from them. Nowadays, there are many useful tools for app…

The Easy Way To Improve User Interface Designs

There is one easy and secure way to make good user interfaces for mobile apps. That easy way is simply to listen to users’ questions. More specifically, design…

We use tech-terms without notice in our apps

I believe the most important thing in mobile UI design is text messages used for buttons and messages. Regarding that kind of design, you don’t want to use…

How to learn programming without getting stuck

I’m an indie iOS developer who sells an accounting app called Taxnote. Users of this app have been requesting the cloud sync feature for a long time. So, I…

Work for only 3 hours a day, but everyday

I am an indie iPhone developer, and I’ve been working for 3 hours everyday for almost 2 years now. It may not work for everybody, but I started this habit in…

2015

Start from the riskiest part

When I make new apps, I always try to check to see what is the riskiest part of the business. Plus, I try to look for the fastest way to check that. I think…

Making a simple video tutorial is one of the most cost-effective ways for your apps

It is now the era of video. You see lots of promotional videos from dozens of new startups. Twitter co-founder Jack Dorsey also said “Don’t let users read, let…

Why Nintendo doesn’t release Mario on the App Store

Recently, I read an interview with Nintendo’s CEO Satoru Iwata on the Japanese gaming website 4gamer (Japanese only), which was very entertaining and…

2014

I released the simplest app I’ve ever made on the App Store

I made a redicuralsy simple timer app. I made it since I had wanted the app like this for a long. It’s free, search for “ListTimer” on the App Store. Download…

2013

My competitor made my app promo video for free

Sometimes on the internet, I happen to meet cool guys. However, this time was exceptional. Last month, I got a short message like this. My brother and I had a…

How do you say No to users without annoying them?

It’s often said that you should listen to your users to improve your product. However, the reality is, it’s a really tough challenge, and I believe you need…