Now on the App Store

Your chair is
the villain.
You're the hero.

Upster reminds you to move before you get too comfortable. Battle your chair, beat your streak, and actually feel good by the end of your day.

Download on the App Store
Join the waitlist →
Upster mascot — angry papasan chair villain
"You couldn't leave if you wanted to."
The Science

Your chair is literally
out to get you.

Okay, not literally. But the research on prolonged sitting is genuinely alarming — and Upster exists to do something about it.

☠️

Sitting shortens your life

Sitting 8+ hours a day without moving increases your risk of early death by up to 40%. That's not an exaggeration — it's from peer-reviewed research.

+40% mortality risk
🧠

Movement unlocks your brain

Even a 2-minute walk boosts blood flow to the prefrontal cortex — directly improving focus, decision-making, and creativity. Your best ideas happen on your feet.

+20% focus boost
💪

Bye, back pain

Regular movement breaks reduce chronic lower back pain more effectively than just standing at your desk. Your spine didn't evolve for 8-hour sit-a-thons.

54% less back pain
⚡

Real energy. All day.

Breaking up sitting every 30–60 minutes prevents the mid-afternoon crash that sends you on your third coffee run. Move more, crash less.

No more 3pm slump
Meet your enemies

Every seat is a new boss.
Every break is a win.

Defeat chair after chair, unlock new villains, and level up your streak. The only losing move is staying seated.

Papasan chair villainChill Thrill
Dining chair villainSnap Judgment
Conference chair villainSpin Doctor
Tulip chair villainMod Squad
Ball chair villainOrb Lord
Womb chair villainRe-Cline-Ella
Ladderback chair villainLag Lord
Bus seat villainTransit Terror
How it works

Simple. Effective.
A little aggressive.

Upster doesn't over-complicate it. Four steps, zero excuses.

01
⏱
Setup

Set your limit

Pick your sit timer — 30 min, 1 hr, whatever works. Set active hours and choose how hard you want us to push you. Easy on Me to End Them All.

02
😤
The Villain

Meet your chair enemy

When your time is up, a chair villain appears with a taunt. Expect zero sympathy. These chairs have been waiting for this moment.

03
🚶
Move

Get up & move

Stand up. Stretch. Walk around the block. Two minutes counts. The whole point is to break the sitting spell — not run a marathon.

04
🏆
Level Up

Defeat & track

Complete your break and the chair goes down. Build your streak, rack up breaks, unlock new villains, and level up your score. Your chair hates this.

2 min
All it takes per break
8 hrs
The avg sit-time we're fighting
40%
Higher early-death risk from sitting
∞
Chair villains to defeat
The App

Designed to get you
off the couch.

Not another boring wellness tracker. Upster is built to motivate you — with a villain that takes it personally when you sit too long.

Upster steps tracker screen
Track Your Steps
Upster — battle your chair villain screen
Battle Your Chair
Upster — chair villain defeated screen
Defeat Your Chair
"You couldn't leave
if you wanted to."

— Re-Cline-Ella, Chair Villain · Level 3

Re-Cline-Ella chair villain
Get early access

Stop warming
your seat.

Join the waitlist and be the first to battle your chair. We'll hit you up when Upster drops — no spam, just the launch.

You're in. We'll let you know the moment Upster is ready to fight. Your chair is already nervous. 🪑💥

No spam. Just an Upster launch email. Unsubscribe anytime.