Bottle Message

Bottle Message is a peaceful, slow-life messenger for anonymous letters in a bottle.

Imagine living a quiet life on a remote island. When you feel like sharing a thought, you put a letter in an empty bottle and set it adrift. Somewhere in the world, another islander may pick it up from the shore.

How it works

- Write a short letter and release it into the sea.

- Explore a calm island beach scene—sky shifts with the time of day, waves lap the shore, and bottles wait on the sand.

- When a message arrives, it bobs in the surf. Tap it to open and read.

- Reply once to a normal letter (the dolphin carries your reply). Keep letters you love in your treasure chest.

- Translate letters on-device with Google ML Kit when the writer used another language.

Built for calm, not noise

- Fully pull-based: no push notifications and no background chatter. You only connect when you visit the shore.

- Auto-fetch on the beach at a gentle interval so you are never spammed with alerts.

- Empty bottles restock slowly (up to 10). Write when you have one; find more washed ashore over time.

- Move devices with a one-time transfer code—no account takeover drama.

Languages

Available in English, 日本語, 中文, and Español. Switch languages anytime from the title bar using endonym labels (English, 日本語, 中文, Español).

Privacy

Your nickname and letters are sent only to the Bottle Message service to make delivery work. Session data stays encrypted on your device. We do not collect your name, address, phone number, or email. Ads (Google AdMob) and optional Firebase analytics may process device data per Google’s policies. ML Kit translation runs on-device when possible.

If you enjoy anonymous pen pals, slow correspondence, and a seaside mood without urgency, Bottle Message is for you.

Cast a letter. Wait for the tide. Treasure what washes back.