Small, sharp AI apps for iPhone.
Tough Wing is a one-person iOS studio in Istanbul. Every app is designed, built, translated into 16+ languages and looked after by the same engineer.
Shipped
Live, maintained and free to try.
-
Get it on the App StoreZodiac Fit
iPhoneAI-powered nutrition and calorie tracking app personalized to your zodiac sign.
-
Get it on the App StoreNail Snap
iPhoneAI-powered personalized nail design recommendation app
-
Get it on the App StorePetlifly
iPhoneAI-powered cat and dog analysis app
-
Open quantprompt.appQuant Prompt
WebAI-powered trading strategy backtesting
What it does
Quant Prompt lets you describe a trading strategy in plain language and backtests it on real market data.
In development
Still being built. Details arrive when they ship.
Who builds it
ToughWing is built by Mervan Kanat - a software engineer based in Istanbul with 5+ years in production ML and algorithmic trading infrastructure.
By day: AI-powered trading platforms for institutional fintech clients, working across signal generation, execution, and ML pipelines.
By night and weekends: ToughWing. Indie iOS apps that bring the same engineering discipline from production fintech to consumer software.
Focus areas: on-device AI inference, LLM-powered product features, credit-based monetization, App Store optimization, and shipping in 16+ languages with a one-person team.
Currently exploring agentic AI patterns and how multi-agent systems can power the next generation of consumer apps.
Write to me
Questions about an app, a partnership idea or feedback. Email is the fastest way to reach me.
toughwingapp@gmail.com