Private · your own little cove

Messaging that stays yours.

Buko is a private messenger — fast 1:1 and group chats, Moments, voice & video calls. No ads, and we never sell your data.

Get the app Open web app

iOS · Android · Web.

Private by design TLS in transit Your history, on device

One account, every screen.

Native iOS and Android, plus a full-featured web app.

Conversations

Chats that feel instant — and stay in order.

Real-time 1:1 and group messaging with delivery and read receipts, edits, replies, and photo sharing.

  • Delivery & read receipts
  • Edit, reply & forward
  • Owner / admin / member roles
Standup in 5?
On my way 🏃
Nice work on the release ✨
thanks! shipping the rest today
Voice & Video

Crisp calls, with screen share.

1:1 and multi-party voice and video, plus screen sharing — carried over a global, low-latency media network.

  • Group calls
  • Screen sharing
  • Low latency worldwide
R
M
A
You
Moments

A calm, friends-only timeline.

Share text and photos with just your contacts. No algorithm, no strangers, no ads — only the people you actually know.

  • Friends only
  • No algorithm
  • Text & photos
L
Lena
2h
Golden hour at the harbor 🌅
K
Kai
5h
New coffee spot — highly recommend ☕
Developer platform

Build bots & agents on Buko.

A clean Bot API for message ingress and egress, realtime gateway or long-poll delivery, permissions, and quotas. Your agent runs anywhere — Buko is the channel.

  • Realtime gateway or polling
  • Scoped permissions & quotas
  • Media, edits & group routing
Read the docs
Send a message 
# POST a message as your bot
curl https://ims.buko.app/bot/sendMessage \
  -H "Authorization: Bot <token>" \
  -H "Content-Type: application/json" \
  -d '{
    "chat_id": "space_7p9m2x",
    "text": "Hello from your agent 👋"
  }'

# → { "ok": true, "result": { "message_id": "482" } }
Private by design

Yours, and only yours.

Buko is built to keep your conversations with you — not with advertisers.

TLS in transit

Encrypted connections, everywhere.

History on device

Your chat history lives on your device.

No ads, no data selling

We don't run ads or sell your data.

Delete anytime

Remove your account and data whenever you want.

Questions & answers

Is Buko free?

Yes — Buko is free to use, with no ads.

Which platforms are supported?

Native iOS and Android apps, plus a full web app at web.buko.app. Your conversations sync across all of them.

Is my data private?

Connections are encrypted in transit with TLS, your chat history is stored on your device, and we never show ads or sell your data.

Can I build a bot?

Yes. Buko has a Bot API for sending and receiving messages, with realtime or polling delivery. See the Developer Docs to get started.

How do I delete my account?

You can delete your account and data anytime from the app settings, or from the Delete Account page.

Your own little cove awaits.

Private, calm, and ready for your first conversation.

Get the app Read the docs