Consumer mobile app
Health & habits · iOS · App Store
H2Flow
A consumer iOS app for intermittent fasting and hydration: timer, water logging, science tips, history, and subscriptions.
Live product, 10k+ users and growing · 10k+ users · still growing · generating revenue
Find on the App StoreThe challenge
- Turn a health idea into a real product people pay for, not a demo.
- Ship the full iOS loop: onboarding, tracking, subscriptions, App Store release.
What shipped
- iOS app with fasting timer, hydration logging, templates, and history
- Subscription paywall and App Store release
- Ongoing iteration from real user feedback
Results
10k+ users
In the App Store with more than 10,000 users, and still growing.
End-to-end delivery
Design, engineering, payments, release, and aftercare. One team.
A look inside



How this could help you
Customer-facing apps
If you need an app your users open themselves, with onboarding, core flows, and store or web release, we can own the full loop.
Tracking & logging patterns
Timers, logs, reminders, and progress. Patterns we shipped here, reusable for field checks, compliance, or daily ops.
05 — Contact
Tell us where you think AI could speed things up
Martijn and Michiel help find where AI makes the biggest difference, and build something that fits your work straight away. Without needing a large AI programme first.