Every scoop.
Every cap.
Every day.

The supplement tracker for people who train. Build your stack, plan it around your workouts, tick it off and never run out.

Join the iPhone beta Free during the beta · iOS 17 or newer
Stakko Today screen: 3 of 5 supplements taken, 10-day streak, two running low
What it does

Your whole stack, at a glance

See what to take

Every supplement is drawn the way it looks: scoop, capsule, softgel, gummy. Tap to tick it off.

Daily and training

Plan your daily supplements by time of day. If you work out, add the ones you only take around training.

Never run out

Stakko counts down your stock with every serving and tells you when it's time to restock.

Keep the streak

Daily reminders, a streak for every complete day and an 8-week view of how consistent you are.

A guide built in

What each supplement is for, the typical dose and the best time to take it, with pregnancy notes.

Private by design

No account, no ads, no tracking. Everything you enter stays on your iPhone.

A look inside

See it in action

Stack: stock levels and low-stock warnings
Never run out
Plan: training days and time of day per supplement
Planned around your day
Guide entry for creatine
Know what you take
Guide list of supplements
30+ supplements, explained
Set up in two minutes

Three steps to your daily stack

1

Build your stack

Pick from 30+ popular supplements or add your own, with how much you have at home.

2

Plan your week

Set when each one fits into your day, and your training days if you work out.

3

Tick it off

Open Today, tap what you took, keep your streak. Stakko handles the rest.

Privacy

Your stack is nobody else's business

  • Data stays on your iPhone, never on our servers
  • No account or sign-up
  • No ads, analytics or tracking

Read the full privacy policy.

FAQ

Questions

How do I join the beta?

Install Apple's free TestFlight app on your iPhone, then open the beta link on this page. Stakko installs through TestFlight like any other app. If the link isn't live yet, check back soon.

Is Stakko free?

Yes, Stakko is free during the beta.

Do I need to work out to use Stakko?

No. Stakko works for anyone with a daily routine of vitamins or supplements. Training days are optional: use them for things like pre-workout or creatine, or ignore them completely.

Can I add something that isn't in the list?

Yes. Tap Add your own and enter the name, form, colour and serving size. Stakko plans it, reminds you and tracks the stock like everything else.

Which phones does it work on?

iPhones running iOS 17 or newer. There's no Android version yet.

What data do you collect?

None. Your stack, plan and history are stored only on your iPhone. If you send beta feedback through TestFlight, Apple shares that feedback with us.

Is the guide medical advice?

No. The guide is general information based on sports-nutrition research. Check with your doctor or pharmacist before starting a supplement, especially if you're pregnant, breastfeeding, have a health condition or take medication.

How do I delete my data?

Open Settings in the app (the gear on Today) and tap Reset Stakko, or delete the app. Nothing is kept anywhere else.

How do I send feedback or report a bug?

In the beta, take a screenshot and choose Share Beta Feedback, or email us at the address below. Ideas for supplements to add are welcome too.

Need help?

Questions, bugs or ideas. We usually reply within a couple of days.

[email protected]