Questions, problems, or suggestions are welcome. Write to scott@leveleightllc.com and you'll get a reply.
On your device, and nowhere else. Fog Log has no account and makes no network requests. See the privacy policy.
Settings → Back up to a file. Save the file wherever you like — iCloud Drive, Files, or email it to yourself. Settings → Restore from a backup reads it back. Restoring merges rather than replaces, so it won't overwrite newer entries.
Settings → Export for an appointment. That produces a short PDF summary written to be read in a few minutes, plus the full spreadsheet behind it.
You shouldn't be — reminders for a dose you've logged are cancelled automatically. If it happens, open the app once and it will rebuild them. If it keeps happening, please write in.
No. It records what you tell it. It does not suggest what to take, recommend a dose, or warn about interactions, and it is not a substitute for a clinician.
Settings → Delete all my data erases everything from the device. Deleting the app does the same. Neither affects files you've already exported.