Send a thought away.
Let time bring it back.

Bottlethought is a cozy, private iPhone app for writing to your future self. Seal a moment, let it drift, and rediscover it when the tide brings it home.

Download on the App Store See how it works

Private, local, and only yours.

A thought
for later

Drifting...
The tide keeps its own time.

Some thoughts need somewhere to go.
Not away forever—just away for now.

A little ritual

Three gentle steps

No streaks. No feed. No pressure to perform. Just a small moment between you and the person you’ll become.

Bottlethought compose screen with a message to the future

Write what’s true right now

A message is required. A photograph is optional.

Bottlethought drift picker set to next week

Choose how far it drifts

Choose the feeling of the wait—not an exact date.

Bottlethought shelf showing a bottle at sea and one complete shelf ashore

Open it when it returns

Its contents stay sealed until the tide brings it back.

Made to stay yours

Your thoughts don’t leave your shore.

Bottlethought has no account system, analytics, advertising, tracking, or network service. Your words and photographs stay on your iPhone.

Stored locally on your device
No ads, analytics, or tracking
Notifications delivered by iOS

Read our plain-language privacy policy

A thought to begin with

Ideas for Your Next Bottle

Gentle prompts and practical ways to leave something meaningful for later.

How to write a letter to your future selfThoughtful prompts for preserving who you are today.How to journal without a daily habitA gentler practice without streaks, schedules, or guilt.How to make a digital time capsuleA private way to preserve a moment and meet it again later.

Whenever you’re ready

A message from you,
waiting on the tide.

Bottlethought is now available for iPhone.

Download on the App Store Have a question? Visit support

Send a thought away.Let time bring it back.