Bip39 Compatible Non Custodial Wallet Wallet application that carry out BIP39 only use 2048 iterations as a norm. Escalating this parameter will raise stability versus brute pressure attack, but you will have to keep this new parameter. Here are 5 ways to generate a seed phrase, with an in-depth discussion https://directoryhand.com/listings13009538/bip39-standalone-the-fact-about-bip39-phrase-that-no-one-is-suggesting