Doodle Studio.

Hi, I’m
Inder.

I make small iPhone apps as Doodle Studio, and write down what I learn making them.

Shipped

Inked in because it’s real.

Onset

Live · free on the App Store

A caffeine tracker for iPhone. Log drinks, check an estimate before the next one, and look back at your history.

Get Onset free About Onset Caffeine calculator

tap a drink

Onset’s Today screen: caffeine at bedtime under 5 mg, a caffeine chart for tonight, an Add a drink button, and recent drinks.
Onset 1.3, Today screen.
Try OnsetSample demo

Check a drink

Estimated at bedtime10:45 PM · from this drink

28 mg

Sample estimate
5-hour half-life

change the drink or time. see what’s left at bedtime.

This is a sample screen. Enable JavaScript to try it, or open the caffeine calculator.

On the bench

Pencil until they ship. Scribble is still working on these. They get ink the day they’re on the App Store.

Coming soon

Ghar

Share tasks, ideas, and groceries with your family. Ask someone for help, see who has it, and say thanks when it’s done.

Coming soon

TipTip

Log a tip in three taps, with one big button per source. See today’s total, your best days, and the cash tips no statement shows.

Coming soon

Lanes

A board for your to-dos. Say a card out loud or type it, then move it from To Do to Doing to Done. Your cards stay on your iPhone.

Coming soon

Incoming

Track deposits, remaining balances, payment dates, and arrivals across stores. Save delivered items to a visual collection shelf.

Coming soon

Project L

Choose which nights to keep clear of cannabis and which to decide later. Record how each evening went and review your week.

Back to it.

Scribble keeps the pencils sharp.

Notes

What I learn making them.

All notes

A little room to play.

More about me