Early access for Android
Where a chat becomes a deal.
Sika is a private messenger for family, friends, work and the market. When a conversation turns into a sale, send an order card, follow every step and hold the payment in escrow, all inside the chat.
Start with a name. No phone number and no email required. Orders in a chat use real money, held safely by our payment partner until the buyer confirms.
Ama, cloth sellerHow a deal works in Sika
Four steps, all in the conversation. Both people see the same card.
Agree
Buyer or seller starts an order from the attach menu: what, how much, in which currency. The other person gets a card in the chat.
Pay into escrow
The buyer pays. The money is held and not yet the seller's.
Ship
The seller marks the order shipped. The card shows the next deadline to both of you.
Confirm
The buyer confirms delivery and the seller is paid. If something is wrong, either of you can raise a dispute and a person reviews it.
Honest status: orders in a chat use real money. The payment is held by our licensed payment partner until the buyer confirms delivery, and SikaPay is not a bank. Sika is still in early access, so expect rough edges and tell us what to fix.
Made for everyday life
Family, friends, work, community and the market. Sika is for all of it.
These images are AI-generated illustrations. They are not photographs of real customers.
A messenger that works for you, not around you
Seven decisions that make Sika different. The first one is the one nobody else makes.
- 01
Trade without leaving the chat
Order cards, escrow steps and deadlines live inside the conversation, so nothing is lost between a chat app, a payment app and a notebook.
- 02
Private by design
Messages, photos, files and call audio are encrypted before they leave your phone. Servers carry and wake. They never read.
- 03
Built for groups
Groups of up to 256 people with roles, announcements, mentions, polls, and invite links with QR codes.
- 04
Voice and video calls
One to one and small group calls (up to four people), in early testing. Only people you know can ring you. Ringing a closed phone is still being built.
- 05
Files without friction
Send photos, voice notes and documents up to 5 MB, and videos up to 25 MB. Recipients see a preview first and download only what they choose.
- 06
In your language
English, Français, Kiswahili, Hausa and Arabic, with full right-to-left support. More are planned.
- 07
Made for real networks
Messages wait for a route and travel through nearby phones or the relay. Careful with your data on slow and expensive connections.
What you can do today
The early access build already feels like the messenger you know.
Reply, react, edit
Swipe a message to reply. React with any emoji, edit a message for 48 hours (both people can see what it said before), or forward it.
Voice notes
Press and hold to record, slide to cancel or lock. Pause while recording and play back at 1x, 1.5x or 2x.
Keep order
Pin chats, archive them, add your own labels, search every message, mute or block.
Stay safe
PIN lock, safety numbers to verify a contact, and an encrypted backup you can restore on a new phone.
Any screen
A layout for phones and one with the chat list beside the open chat on tablets and computers.
Status
Share a text or photo status with your contacts for 24 hours. Choose who sees it, and see who reacted.
Calls
Voice and video calls that ring even when Sika is closed, share your screen, and call links anyone can open. Group calls with bigger rooms too.
Find your people
Sign up with a phone number or email if you like, and find friends from your contacts. A name and a key is still enough to start.
Groups
Groups of up to 256 with invite links, polls and a group photo, end-to-end encrypted like every private chat.
Channels and communities
Follow public channels and join communities with their own noticeboard and forum. Public posts are labelled public and kept apart from your chats.
Shops and deals
A free business profile with greeting and away messages, an order card inside the chat, and Business Pro for a short shop address and receipts.
Your own devices
Link a second phone or a computer. Messages, edits and files follow you, and an encrypted backup can run every day.
Sika Store
One place for Premium, Business Pro and the rest, with a signed receipt for everything you buy.
Your picture
Add a profile picture and an About line. Only your contacts receive them.
What is coming next
Plans, not promises. We build in this order and tell you when something is ready.
- Price and quantity lines on orders.
- Windows and Linux apps for your computer, then iPhone and Mac.
- Working without the internet, phone to phone.
When a new feature needs our servers to know more than they do today, we say so on the Privacy Policy and Security pages before it reaches you.
What the servers can and cannot see
Sika uses servers only where a feature needs them. The rule does not change.
Never
Message text, photos, files, call audio or your keys.
As little as possible
That one key sent sealed mail to another key, its size and its time. Kept briefly, never sold.
Your decision
Feedback is optional, and the app shows exactly what accompanies it.
Try Sika today
Download the early access build for Android. Updates arrive inside the app.
Questions
Is Sika free?
The early access app is free to download and use. We will tell you plainly before anything changes.
Do I need a phone number?
No. You start with a name and a key created on your phone. A phone number or email is optional: it lets friends find you, and Premium and Sika Business need one so we know a real person is behind them.
What is a business profile?
A free profile for a shop or service inside Sika. It shows your business name, area and opening hours to your contacts, and lets you set a greeting for new customers, an away message and quick replies. You need a verified phone number and email, and your contacts can check that the business mark is real.
What does Business Pro add?
For NGN 3,000 a month: a lower Sika fee for your buyers on protected orders (1% instead of 2%), receipts with your shop name, a short shop address like yourname.sikaos.app, and a Business Pro mark beside your name. It is prepaid and never renews by itself.
Can my shop use my own web address?
Yes, as an extra on top of Business Pro. If you own a domain such as shop.yourbrand.com, Sika shows two records to add where you manage it, then checks them for you.
What is Supermarket?
A bigger shop for sellers with many things to sell, on top of everything in Business Pro: room for up to 2,000 listings, aisles that group your listings on your shop page, uploading a whole spreadsheet at once, and staff you choose, each with the powers you pick (add listings, see orders). You sign each staff choice on your own phone and can take someone off at any time. It is prepaid by the month, priced in the app (currently NGN 15,000), and never renews by itself.
Is there an iPhone version?
Not yet. Android comes first, and the iPhone app follows once Android is solid.
Is there a computer version?
Windows and Linux apps are being tested and are not available to download yet. The Mac app follows the iPhone app.
Is Sika on the Play Store?
Not yet. During early access you download it here, and the app tells you when a new version is ready. The Play Store follows once early feedback has shaped the product.
How do I report a problem or share an idea?
Use the feedback page or Settings inside the app. Security concerns go to our disclosure program.