AI-Driven
Development
Rapid planning, design, and implementation powered by Claude / Claude Code, Gemini, and Codex.
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AVAILABLE · FREELANCE & COLLABS
Latty Cat.
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About
An indie developer based in Yokohama. From planning to design, implementation, and operations — allhandled solo with an AI-assisted workflow. Focused on iOS apps and websites that feel right to use.
4
Apps Shipped
4
Coffee / day
100%
Solo Built
AI
First Workflow
What I can
actually ship.
03 — capabilities AI-Driven
iOS App
Development
Native iOS app design, development, and App Store publishing with SwiftUI + SwiftData.
SwiftSwiftUIXcodeCloudKitCore Location
Web
Development
From static sites to web apps — built for performance and SEO.
ReactNext.jsAstroTailwind CSSCloudflare
Apps,
shipped solo.
Three live apps, plus one on the way.
All planning, design, and build done solo.
01 / Wellness · Weather
Lulune
Gentle tracking for mind and body.
A gentle weather-pain and headache companion. Visualize barometric pressure shifts and discover how your body reacts day to day.
02 / Weather · Lifestyle
Fiorel
Outfit advice from today's weather and temperature.
Combines today's temperature, precipitation, wind, and UV to suggest outfits by style. A quiet fix for the morning 'what do I wear?'
03 / AI · Food Log
Calore
Snap a photo. Know everything.
AI identifies your meal and logs calories, protein, fat, and carbs instantly. A daily food diary without the tedious entry.
04 / Routine · Timer
Nekotimer
What's next? Nekota will tell you.
A routine timer that auto-advances task by task. The calico mascot Nekota cheers you on through morning prep, evening wind-down, and every step in between.
Learn more → iOS · Android (Coming Soon)
AI-readable summary
What Latty Cat builds
Latty Cat is an indie developer based in Yokohama, Japan, building iOS apps and websites with a solo, AI-assisted workflow.
- Role
- Indie app developer
- Base
- Yokohama, Japan
- Apps
- Lulune, Fiorel, Calore, Nekotimer (coming soon)
- Stack
- Swift, Astro, AI-assisted development
FAQ
Who is Latty Cat?
Latty Cat is an indie developer based in Yokohama, Japan, focused on iOS apps and websites.
What apps does Latty Cat publish?
Latty Cat publishes Lulune for wellness and weather tracking, Fiorel for weather-based outfit suggestions, and Calore for AI food logging. Nekotimer, a routine timer, is in preparation for release.
How are the products built?
The products are planned, designed, implemented, and operated solo with an AI-assisted workflow.
Contact Let's build
Let's build
something calm.
Happy to hear about freelance and collaboration opportunities. Reach out via X DM or email.