Smart hydration · App-lock technology

Your apps unlock
when you drink.

Sponge clips onto any water bottle and tracks every sip. Lock Instagram, TikTok, or whatever distracts you most — and it unlocks automatically when you hit your goal.

30-day guarantee. Due to the high order volume, please expect orders to be delivered within 8 weeks.

A Sponge device used to record water intake from any water bottle. Gif. USB-C charging port.

Any bottle

No replacement needed

8-day battery

Charge once a week

iOS + Android

Free app included

As simple as snap, sip, repeat

Three steps. No learning curve.

1

Snap it on

The magnetic base attaches to any water bottle in seconds. No complicted assembly required.

2

Drink normally

Every sip is recorded on the device. Everytime you open the app, data automatically syncs.

3

Hit your goal

The app tracks your intake in real time. Set an app-lock and let it do the work for you.

Watch the full setup

Get up and running in under 2 minutes.

Only on Sponge

The hydration hack your phone has been waiting for

Most trackers remind you to drink. Sponge makes it unavoidable. Lock your most-used apps and they stay blocked until you’ve hit your water goal for the day. No willpower needed.

  • You choose which apps get locked
  • Unlocks automatically when your goal is reached
  • Works on iOS, Android coming soon
Order now
Mobile app showing a hydration goal setting interface for Facebook, a 'Set the hydration goal required to unlock this app' prompt, and options to select a goal of 8, 16, or 24 ounces, with 'Cancel' and 'Save' buttons.
Apple logo with text 'Download on the App Store' in black and white. Link to Sponge Hydration App.
Apple logo with text 'Download on the App Store' in black and white. Link to Sponge Hydration App.
Google Play Store badge with the text 'Get it on Google Play' and the Google Play logo. Link to Sponge Hydration App.
Google Play Store badge with the text 'Get it on Google Play' and the Google Play logo. Link to Sponge Hydration App.

Everything you need. Nothing you don’t.

Works with any bottle

Magnetic clip fits any water bottle. Keep the one you already love — no upgrade required.

Automatic sip tracking

Records every sip on-device. No buttons, no manual logging, no thinking about it.

14-day battery life

Charge twice every month via USB-C. Built for real life, not constant charging.

iOS and Android

Full-featured Sponge app on iOS and Android. The app is free.

★ ★ ★ ★ ★‍ ‍ 4.9 stars by 120 customers

What our customers are saying:

A young man in cycling gear holding a black insulated water bottle with his Sponge Device clipped to the bottom, standing indoors with a bike helmet hanging on a chair and a bicycle in the background. 
“I'm a tri-athlete and my hydration is valuable.”
Brian, Maryland
Close-up of a person's hand holding a white Hydro Flask water bottle with a Sponge Device snapped on the bottom. On the desk is a small potted succulent, a cup of coffee, and a note that says, "Breathe. Plan. Execute. (And get coffee)." 
“I used to think I was getting enough water until I actually recorded it.”
Kelly, California
A smiling woman holding a large pink tumbler with a lid and straw which has its water intake tracked by the Sponge device, which is attached to the bottom. , standing inside a home with a ceiling fan and window in the background. 
“This app actually gets me to drink water.”
Isabella, Florida

Limited first batch

Ready to make hydration automatic?

Order today. 30-day guarantee.

Order Sponge — $59.99

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