The noise from squeezing the bottle especially in any public place… For 30 to 40 you can get a cold water bidet that hooks into your toilet water. But it is worth it to go heated water and heated dry. Hell even heated seat. Its worth the spend.
I use heliboard now downloaded today and deleted open board. I acquired openboard from Fdroid. Both times. I’ve never heard of hapatia. I will check it out momentarily.