Email support@suprun.ca. A person reads it.
Open Settings inside the app and tap “Restore a previous purchase”. That asks Apple what you own and re-applies it. If it still does not appear, email us with the Apple Account you bought it on and we will sort it out.
Not today. Tibby keeps everything on one device on purpose — no account, no server, nothing to lose your data to. You can share the report with anyone, but it is a snapshot rather than a live second copy, and we would rather say so plainly than imply otherwise.
No. The easiest way is built in: open Settings inside the app and tap “Back up to a file”, then open that file on the new phone and tap “Restore from a backup”. It is free, and it does not depend on an iCloud device backup being turned on. Your data is also included in an ordinary iPhone backup if you use one, and you can export a CSV or a report at any time as a belt-and-braces copy you hold yourself.
Yes. Every log can be undone immediately, and entries can be edited afterwards from the history screen — including the time, if you logged it late.
No, and none is planned.