Estimates your Japanese furusato nozei limit from income and family, compares popular return gifts within budget, and reminds you of deadlines. Never pays.
Your private language-exchange desk: prep both halves of every session with your partners, and turn real corrections into a phrase bank you actually use.
Finds and cancels forgotten subscriptions for small businesses and creators: builds a ledger from receipts or statements, flags waste, asks before each change.