Posts
All the articles I've posted.
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Why it exists · Ouen Why I built Ouen: a fan-sign maker, savings jar and ticket tracker for people who support an oshi
Japan's 推し活 is a ¥4 trillion hobby whose fans stitch together a calendar, Notion and a memo app. The search data said the savings and merch keywords were wide open and the sign-maker keyword was huge. 660 reviews of the existing apps wrote the free-tier rules: no ads, never block saving, no data loss. How Ouen got its shape and its name.
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Why it exists · Ward Why I built Ward: a porn and website blocker where the hard part is the off switch
1,600 one-star reviews of porn blockers say the same four things: a paywall after a quiz, a VPN that breaks the internet, an easy bypass, and a fee to uninstall. Ward's answer is a free filter that blocks on the device, a waiting time instead of a wall, and a DNS-only tunnel. What iOS does and doesn't let you do, and why the hosts file wins on desktop.
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Engineering
Design notes from Dynet: Excel as the integration contract, transactional imports, and six roles on one API
Engineering notes from building a fibre-installation planning system on Node.js, MongoDB and React: matching hostile Excel headers, importing inside a transaction with live progress over SSE, and running six roles through one JWT-guarded API.
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Guide · Textrix QuillBot and Grammarly alternatives on iPhone — including the one already built into iOS
A fair comparison of paraphrasing and grammar tools on iPhone — QuillBot, Grammarly's keyboard, Apple's Writing Tools, and Textrix — on languages, rewrite styles, OCR and PDF support, pricing, and whether your text leaves the phone. Written by the developer of one of them.