Hello, I have the exact same problem. Had 32 ratings in total, which decreased to 15 during a week. The app is completely free, without ads. I hope someone from Apple would clarify the situation, as usually Apple is way more responsive than Google in terms of supporting app publishers.

FYI: here's the very first line of kernel panic log: panic(cpu 0 caller 0xfffffe00246bd8c4): "AMCC2 PLANE3 MCC_DAT_MULTI_BITS_ERR error: INTSTS0 0x00000006 ECCMULTIBITSERRLOG(Bank/Way/Entry) 0x2630(0x2/0x6/0x30)" @AppleT6000PlatformErrorHandler.cpp:2500

Here's the full log, I'm sorry I didn't include it properly the first time: kernel panic log