Compare: MetaMask: Trade Crypto vs OpenSea: Trade Crypto & NFTs

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Metric	MetaMask: Trade Crypto	OpenSea: Trade Crypto & NFTs
User count	46,697,221	5,288,068
Average rating	4.45	3.67
Rating count	481,926	24,880
Last updated	2026-07-09	2026-07-08
Size	175.20 MB	58.05 MB
Version	8.1.1	3.12.1

Short description	MetaMask: fast, secure wallet for buying, selling, and swapping crypto across networks. Trade DeFi, earn income, and explore web3 with support.	Discover, collect, and sell NFTs on OpenSea, the largest NFT marketplace. Track collections, explore artists, and stay updated with real-time stats.
Full summary	MetaMask is the world’s most secure and flexible crypto wallet. Trusted by over 100 million users to buy, sell, and swap digital assets, it protects every move you make. Get more out of crypto: buy, sell, swap tokens directly in your wallet, trade perps, earn income from your assets, discover the decentralized web, and explore DeFi, meme coins, NFTs, and web3 gaming. Crypto made easy: one wallet, many chains; trade directly in-wallet; connect to dapps across networks and thousands of tokens. Advanced security helps you know what you’re signing, with live threat surveillance and MEV/front-running protection, while prioritizing privacy and control. Plus, 24/7 live support. Supported networks include Ethereum, Linea, Solana, BSC, ZkSync, Base, Arbitrum, Avalanche, Polygon, Optimism, Sei, and more; tokens include ETH, USDC, USDT, wBTC, SHIB, PEPE, DAI, DOGE, CRO, CELO, and thousands more. Download MetaMask today.	OpenSea's mobile app offers the easiest way to manage and grow your NFT collection on the world's first and largest digital marketplace for crypto collectibles. Connect your profile to view your collected items, discover new NFT releases from a wide range of digital artists—from established names to emerging indie creators—and save favorites for quick access. The app allows you to search and filter NFTs by category, name, collection, creator, and other attributes, helping you find the exact digital assets you want. Stay informed with market stats for collections and individual items, and track top-ranked collections by volume. Additional resources include blog updates on OpenSea and the broader NFT ecosystem, tutorials for beginners, and links to exclusive releases. Regular feature updates ensure an ever-improving experience for NFT enthusiasts.