I use nostr:npub12vkcxr0luzwp8e673v29eqjhrr7p9vqq8asav85swaepclllj09sylpugg on iOS. Kinda slow and buggy often. Is there a way to fix it?

Reduce relays? Add other relays? Switch client altogether?

I was using nostr:npub18m76awca3y37hkvuneavuw6pjj4525fw90necxmadrvjg0sdy6qsngq955 till zaps were blocked. Primal fixed it.