Free
01 / Encrypt
Encrypted chats
Private one-to-one and group conversations with verified contacts, device verification and disappearing messages.
In development · iPhone, iPad & Android
Private messaging. Private payments.
Mantis is a privacy super-app: end-to-end encrypted chats, Monero payments inside your conversations, a Tor browser and OpenPGP tools. Each one runs in its own walled-off security domain.
Chats, browsing and PGP tools are free. A 0.5% fee applies only to Monero payments you send in Mantis, and you always see it before you approve.
What's inside
Four privacy tools. One app.
Mantis is a messenger first. Paying a verified contact feels like sending a message, and the rest of your privacy toolkit is one tab away.
0.5% fee
02 / Send
Monero in your chats
Send XMR to a verified contact without leaving the conversation. Your wallet keys are created and kept on your phone.
Free
03 / Browse
Tor browser
A built-in browser that routes through Tor and opens .onion sites, walled off from your chats and your wallet.
Free
04 / Protect
OpenPGP tools
Spot PGP messages, then encrypt, decrypt, sign and verify them on your device. PGP keys stay separate from everything else.
Payments
The money never takes over the chat.
Every payment starts in a conversation with a verified contact, and your phone approves it separately. Your wallet keys never leave your device.
One payment, two destinations
Your friend receives
1.000 XMR
Mantis fee (0.5%)
0.005 XMR
You approve
1.005 XMR + network fee
The network fee goes to the Monero network, not to Mantis, and you see it before you sign.
- 1
Tap Send in a chat with a verified contact.
- 2
Their app privately shares a fresh receiving address with yours.
- 3
Review the amount, the 0.5% fee and the network cost.
- 4
Approve, and your phone signs the payment on the device.
- 5
Your friend's wallet checks the transfer itself before the chat shows it as received.
Architecture
One app. Four isolated engines.
Sharing a home screen doesn't mean sharing keys. Messaging, the wallet, the browser and PGP each get their own keys, storage and permissions.
Mantis mobile shell
Navigation, notifications and secure local storage
Messaging
End-to-end encryption
Isolated
Monero
Self-custodial wallet
Isolated
Browser
Tor routing, own storage
Isolated
OpenPGP
On-device PGP keys
Isolated
- Websites in the browser can't read your chats or your PGP content.
- A chat message can never approve a Monero payment.
- Mantis servers never receive your wallet's spending keys.
Our promise
Chat without a wallet
Messaging works on its own. You only set up a Monero wallet when you want to send or receive.
Separate keys for everything
Messaging, wallet and PGP keys are independent, so one can't unlock another.
Every payment approved on its own
Your phone signs a payment only after you review the recipient, amount, fee and network cost.
Claims we can back up
No app can promise complete anonymity. We'll only describe protections that independent testing has confirmed.
Roadmap
Secure milestones, not feature checkboxes.
The first milestone is a single test transaction. The last is an independently reviewed app, released in stages.
01
Test transaction
One Monero payment with two destinations, verified on Monero's test network.
02
Encrypted messenger
Accounts, direct and group chats, and verified device changes.
03
Wallet
Create, import and recover a wallet, with balances and fresh addresses.
04
In-chat payments
Secure address handoff, fee quote, on-device signing and verified receipts.
05
PGP tools
Message detection, encryption, decryption, signatures and separate key storage.
06
Tor browser
Tor routing, a hardened browser and leak tests that fail closed.
07
Independent review
Penetration testing plus privacy and recovery reviews, then fixes.
08
Controlled launch
App store and legal reviews, then a phased release.
FAQ
Questions, answered plainly.
Is Mantis free?
Chats, the Tor browser and the PGP tools are free. Monero payments you send in Mantis carry a 0.5% service fee, shown on the confirmation screen before you approve. The Monero network fee is separate and goes to the network, not to Mantis.
Does Mantis hold my money?
No. Your Monero wallet is self-custodial: its keys are created and stored on your phone, and Mantis servers never receive them. Your own recovery phrase restores the wallet, even if your chat account is unavailable.
Which coins does Mantis support?
Monero (XMR) only at launch.
Is Mantis anonymous?
Mantis is built to protect your privacy, but no app can promise complete anonymity. End-to-end encryption stops our servers from reading your messages, Monero keeps amounts and addresses off the public record, and the browser routes through Tor. We'll describe specific protections once independent testing confirms them.
Can I use another Monero wallet?
Yes. Your keys are yours, and you can move them to another Monero wallet at any time. The 0.5% fee only applies to payments sent through Mantis.
Is Mantis open source?
No, Mantis is a closed-source app. Our launch plan includes independent security reviews of the encryption, the wallet, the browser and the mobile apps.
When can I download it?
Mantis is in development for iPhone, iPad and Android. It isn't in the App Store or Google Play yet. Download links will appear on this page at launch.
Download
Coming to iPhone, iPad and Android.
Mantis isn't in the App Store or Google Play yet. When it launches, the download links will appear right here.
- Coming soonApp Store
- Coming soonGoogle Play