What makes Rabby different from MetaMask?

Rabby simulates a transaction before you sign it and reports the outcome in plain terms: what leaves your wallet, what arrives, and what permission you are granting. It also switches networks automatically to match the application you are using. MetaMask has broader site support and a much larger user base; many people run both.

Can I use my MetaMask phrase in Rabby?

Yes. Import the same twelve words and the same accounts appear, with Rabby's checks on top. Nothing is copied or moved, since both wallets derive the same accounts from the same phrase, and you can keep using either one.

Does transaction simulation make me safe?

It makes the danger legible, which is a large improvement, but it is not a guarantee. Simulation reports what a transaction does right now; a contract can behave differently later, and a signature with no expiry can be used at any future point. It also only helps if you actually read it.

What is a token approval and why does it matter?

It is permission for a contract to move a token on your behalf, often without a limit and with no expiry. Granted once, it survives long after you close the tab, and it is the most common route by which wallets are emptied. Rabby lists every approval you have granted across chains and lets you revoke them.

How to Set Up Rabby Wallet — Safer DeFi Transactions

Rabby is a browser wallet built for people who use decentralised applications constantly, and it exists because of one specific problem: a signature request tells you almost nothing about what it will do.

Rabby simulates the transaction first and shows you the outcome in plain terms — what leaves your wallet, what arrives, what permission you are granting. That single feature is the reason to consider it.

The pre-sign check

In a conventional wallet, approving a transaction means reading a contract address and a function name and hoping. Most people click through, which is exactly how drained wallets get drained.

Rabby runs the transaction against current chain state before you sign and reports the result: balance changes, approvals granted, and a risk assessment of the contract you are dealing with. If a transaction would hand unlimited spending permission to an address created yesterday, it says so.

This does not make you safe. It makes the danger legible, which is a large improvement over an unreadable hex string, and it only works if you read what it tells you.

Automatic network switching

Rabby detects which chain an application is on and switches to it. It removes a small daily annoyance and, more usefully, removes the wrong-network transaction that comes from forgetting to switch manually.

Installing

Download from rabby.io only.

Install the extension and pin it to your toolbar
Create a new wallet, or import an existing seed phrase
Set a password — it unlocks the extension on this device only
Back up the recovery phrase before funding anything

Importing an existing MetaMask phrase gives you the same accounts with Rabby's checks on top. Nothing is copied or moved; both wallets derive the same accounts from the same phrase, and you can use either.

The recovery phrase

Twelve words, and they are the wallet. Paper, two copies, two locations. Never photographed, never typed anywhere except a wallet import screen, never shared with anyone claiming to be support.

Reading what Rabby shows you

The value is in the detail, so it is worth knowing what to look for.

Balance changes. What leaves and what arrives. If the arrival is missing or the departure is larger than expected, stop.
Token approvals. Rabby names the spender and the limit. Unlimited approvals to unfamiliar contracts are the single most common way wallets are emptied.
Risk flags. New contracts, contracts flagged by other users, and unusual patterns are highlighted. A flag is not proof of malice, but it is a reason to slow down.

Managing approvals

Rabby includes an approval manager showing every permission your addresses have granted, across chains, with the option to revoke. Permissions granted months ago are still live today, and reviewing them periodically is the cheapest security habit available.

Rabby or MetaMask

Both are EVM browser wallets and both import the same phrase. MetaMask has broader application support — some sites detect it specifically — and a far larger user base. Rabby has better safety tooling and a cleaner multi-chain experience.

Rabby rates 7.5/10 in our wallet rankings, held back by narrower recognition rather than by capability. Many people keep both: MetaMask for sites that require it, Rabby for everything else.

Mistakes that cost people money

Clicking past the simulation

The feature only works if read. A warning dismissed is worse than no warning, because it produces the confidence of having checked.

Assuming simulation catches everything

It reports what a transaction does now. A contract can behave differently later, and a signature with no expiry can be used at any point in the future. Simulation is a strong tool, not a guarantee.

Leaving old approvals in place

Rabby makes them visible. Visibility does nothing on its own — revoke what you no longer use.

Next steps

For long-term holdings, hardware remains the better home — see our Ledger guide. Our risk management guide covers the habits that matter more than any single tool.