Rabby
EVM wallet from the DeBank team that simulates each transaction before you sign.
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Rabby key facts
| Category | Crypto wallet |
|---|---|
| Custody | Self-custody |
| Chains | EVM networks |
| Platforms | Extension, iOS, Android, Desktop |
| Swap fee | 0.25% |
| US availability | Yes |
| Main security feature | Transaction simulation |
| Open source | Yes |
What is Rabby?
Rabby is an EVM wallet from the team behind DeBank. It simulates each transaction and shows the balance change before you sign, and it switches to the network a dApp needs on its own.
How Rabby works
Rabby's browser extension injects the standard window.ethereum provider into dApp pages, so any site built for MetaMask can connect to it.
Its background script keeps your keyrings, password and preferences in the browser's local storage. Its GitHub README credits MetaMask's open-source code, which Rabby uses or forks.
Rabby Swap fetches quotes from several aggregators, simulates each quote to show the amount you should actually receive, and flags risks such as large price differences or low-trust contracts. An MEV-guarded option is available. The same releases cover the extension, Rabby Desktop and Rabby Mobile.
How to start with Rabby
- Install the extension from rabby.io, or get the mobile app from the US App Store, where the seller is OPCODE LABS PTE.
- LTD. and iOS 15.1 or later is required.
- You can create a new wallet or import one, then open any EVM dApp.
- The App Store listing shows in-app purchases called Gas Account Balance, from $0.29 to $719, for topping up gas inside the app.
- A dApp that shows only a MetaMask button still connects to Rabby, since both inject the same provider.
Rabby fees and limits
- Rabby announced on July 5, 2024 that its built-in swap charges a 0.25% fee, across the extension, desktop and mobile apps.
Aggregator and DEX fees are separate, as is network gas. Sending, receiving and signing dApp transactions carry only the network fee. The announcement says the fee pays for quote simulation, risk checks and the MEV-guarded option.
Risks to know before using Rabby
- The Rabby GitHub repository publishes audit reports by year from 2021 to 2026, including SlowMist audits of the browser extension dated August 21, 2025 and August 24, 2026, and a Least Authority audit dated September 3, 2025.
- The code is MIT-licensed, but the Rabby name and logo are reserved.
- Keys live in your browser's local storage, so a compromised browser profile or device puts them at risk.
Rabby alternatives
Other self-custody wallets people compare with Rabby.
Self-custody browser extension and mobile wallet for EVM networks, with Solana accounts added in 2025.
Rabby vs MetaMask →Wallet built around a portfolio view of tokens and DeFi positions across chains.
Self-custody multi-chain wallet from OKX with built-in swaps, DeFi and market tools.
Multichain wallet that started on Solana and now covers Ethereum, Base, Polygon, Sui and Bitcoin.
Mobile-first Ethereum wallet focused on L2 networks, tokens and NFTs.
Mobile-first multichain wallet, with a browser extension added later.
Where Rabby ranks on DappAtlas
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Rabby compared
Rabby pros and cons
- Balance-change preview before every signature
- Automatic network switching
- Lower in-app swap fee (0.25%)
- EVM networks only, no Solana or Bitcoin
- Smaller user base, so fewer dApps name it in their docs
Rabby FAQ
What is Rabby?
Rabby is an EVM wallet from the team behind DeBank. It simulates each transaction and shows the balance change before you sign, and it switches to the network a dApp needs on its own.
Is Rabby a self-custody wallet?
Yes. Rabby gives you a seed phrase and does not hold your funds. If you lose the phrase, no one can restore access.
Which chains does Rabby support?
Rabby supports EVM networks.
Is Rabby free?
Rabby is free to download. You pay network gas on transactions and a 0.25% wallet fee on in-app swaps.
Is Rabby available in the US?
Yes. Rabby is listed in the US App Store (checked Sep 26, 2026).
Which platforms does Rabby run on?
Extension, iOS, Android, Desktop.
Sources
How this page works
Sources: Rabby: official site, Rabby Wallet on X (@Rabby_io, the official account listed on the RabbyHub GitHub organization): swap fee announcement, Rabby: GitHub audits folder. Data as of Sep 26, 2026.
Not affiliated with any project listed. Educational content, not financial advice.