That depends on many factors:
- How you created the wallet and generated its keys.
- How you stored those keys.
- What type of wallet you used. A custodial wallet differs significantly from a non-custodial one if we are talking about control of the keys.
- And if you took all the precautions to ensure the wallet is recoverable if and when needed.

I combine Electrum for desktops with my hardware wallets, but I wouldn't use the mobile version as my go to mobile wallet. As Z-tight explained, it lacks important features that Electrum's desktop and Blue Wallet possess. I have tried Electrum on my Android and it never felt right. It feels like such a hurried release that doesn't work properly. It's not unsafe, though.

I suggest you download and install both applications and create test wallets. After that, see for yourself. You will notice why Blue Wallet should be the better choice. At least, for me it is.