I want to try some other apps which only import QIF files.
Since this site is run by Quicken, discussion of alternative applications and converter software from other companies is not allowed by Quicken. Have you tried Googling your question? You'll get answers to your question. You might also post on Reddit if you need more information.
QMac cannot export to QIF but QWin can. If you have access to a Windows computer, one option is to your QXF file to QWin, then export it to QIF.