Atomic Wallet is described as 'universal, fully decentralized, multi-currency, and convenient app with a simple interface that supports over 300 cryptocurrencies. It’s designed to be the best option if you’re looking for Bitcoin, Ethereum, Ripple, Litecoin, EOS, Tron wallet' and is an app in the Bitcoin & Cryptocurrency category. There are more than 10 alternatives to Atomic Wallet for a variety of platforms, including Android, iPhone, iPad, Mac and Windows. The best alternative is Electrum, which is both free and Open Source. Other great apps like Atomic Wallet are Exodus (Free), MetaMask (Free, Open Source), Blockchain Wallet (Free, Open Source) and Trust Wallet (Free, Open Source).
Electrum is an easy to use Bitcoin client. It protects you from losing coins in a backup mistake or computer failure, because your wallet can be recovered from a secret phrase that you can write on paper or learn by heart.
Exodus encrypts private keys and transaction data locally for your eyes only - no accounts, no servers, no data sharing. Track the value of your blockchain asset portfolio, in real time, as market conditions change.
Blockchain is one of the few wallet applications that keeps control over your money in your own hands. In the original spirit of Bitcoin, it is physically impossible for BlockChain to "freeze" your account or any such nonsense.