Yes, entirely. Groups are created, split, settled and closed on your phone. A connection is only needed if you choose to share a group with other people.
No. You can keep a group on your own phone and simply tell people what they owe, or send them the PDF summary. They only need the app if you want them adding expenses themselves.
No. Half Tab works fully without one. An account exists only so that groups you have put online can follow you to a new phone.
The groups you explicitly put online, and — while you are signed in — your circle, so it follows you to a new phone. Everything else stays in a database on your phone. Your address book is read on the device; only the people you pick are ever sent.
No. It records who paid and who owes, and works out the transfers. Actually paying each other happens however your group already does it.
Yes. Who paid and who the cost belongs to are separate, so paying for the others and taking nothing yourself is a normal entry.
Record it as an outside sponsor. The money is credited to whoever received it and lowers what the members have to cover between them, without anyone owing it back.
Yes. Export all groups in Profile writes a CSV file you keep, and Half Tab can read that file back on the same phone or a new one.
Nothing. There are no adverts, no subscription and no paid tier.
Twenty-one, including Nepali, Hindi, Bengali, Marathi, Tamil, Telugu, Urdu, Arabic, Chinese, Japanese, Korean and Swahili. The PDF summary renders correctly in all of them.
Half