Yes, MetaMask users say that it is indeed safe to buy ETH on MetaMask. However, it is strongly recommended that you only use the wallet to store a small amount of your crypto, and keep the bulk of your crypto in a hardware wallet.
According to many customer reviews and various side-by-side comparisons, Coinbase is considered to be the safer and more secure choice. If a consumer wants and believes in a decentralized wallet, then MetaMask would be the better choice. For those who find a centralized wallet to be ideal for their purposes, they would pick Coinbase instead. According to Cryptogeek.com, Coinbase has a higher rating from user reviews - 3.5 stars compared to MetaMask's 2.3) However, their experts tend to rate MetaMask higher - Coinbase receiving 4.2 out of 5, and MetaMask with a full 5 stars. Please click here for a detailed side-by-side comparison.
While hacking MetaMask is difficult, it is always possible if a user is careless with their private keys and/or their Secret Recovery Phrase. MetaMask suggests that if you do have a large amount of ETH or tokens in your account, that you get a hardware wallet, which is considered to be the safest and most secure way to store your Ethereum or tokens. The following are additional resources on how to keep your computer safe:
Yes, MetaMask is considered to be safe, and is trusted by more than a million users worldwide, making it one of the most popular Ethereum wallets. MetaMask does not control any of your personal or private data on their servers. Everything is encrypted in your browser and protected via your MetaMask password. If a MetaMask account is lost, you would need to use your Secret Recovery Phrase in order to restore your MetaMask account.
MetaMask is a web browser extension that allows you to manage your Ethereum private keys via your web browser. By doing so, MetaMask serves as a wallet for Ether and ERC-20 tokens. MetaMask also allows you to use Ethereum Decentralized Apps right from your browser without running a full Ethereum node.