If you're already using Fluent and it works, keep using Fluent. The migration cost (managing your seed phrase across more wallets) usually isn't worth it.
If you want desktop-and-mobile coverage, an in-wallet bridge, smoother stuck-transaction recovery, and one-click Ledger/Trezor pairing, Conflux Wallet covers those.
If your CFX is one asset among many across blockchains, a multi-chain wallet (Atomic, OneKey, MathWallet) consolidates everything but won't have Conflux-specific features as polished.
For significant balances regardless of which wallet you use, pair a hardware wallet — Ledger Nano X or Trezor Model T are the workhorses; D'CENT is a strong purpose-built option.