Small apps.
Big moments.

Simple, focused iOS tools that do one thing perfectly.

See our apps ↓
🔢CountUp 💸Quartl 🎨Hue Check 🎂Milestones - Soon

Our apps

Built for focus.
Designed for joy.

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CountUp
Tally Counter

Fast tally counter with Apple Watch support. Tap anywhere to count: track reps, inventory, attendance, or anything else that needs a number.

Coming Soon ↗
💸
Quartl
Tax Set-Aside Calculator

Know exactly how much to set aside for tax, every payment, instantly. Built for freelancers and self-employed pros who hate tax-time surprises.

Coming Soon ↗
🎨
Hue Check
Color Picker

Point your camera at anything to instantly read its exact color: HEX, RGB, HSL, and more. The color picker designers and developers reach for every day.

Coming Soon ↗
Milestones app icon Milestones app icon
Milestones
Age & Birthday Tracker

Turn the ages and birthdays of the people you love into something you can feel. Exact ages, milestone countdowns, and widgets for your whole family.

Coming Soon ↗
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No accounts
Everything stays on your device. No sign-up, no login, no data leaving your hands.
🚫
No subscriptions. Ever.
Download free or unlock once. We don't believe in monthly charges for simple utilities.
❤️
Made with love by Kin Lab
A small, independent studio crafting thoughtful apps with obsessive attention to detail.