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Your home screen shows a safe-to-spend number that already accounts for upcoming bills, groceries, and gas — so the figure you see is what’s reasonably left to spend.
Personal finance for iPhone
STOS turns your balances, upcoming bills, and everyday spending into one clear number. Spend with confidence — and still cover what’s coming next.
Coming soon to the App Store
Good morning
Safe to spend
$1,284
After upcoming bills, groceries, and gas
What you get
Your home screen shows a safe-to-spend number that already accounts for upcoming bills, groceries, and gas — so the figure you see is what’s reasonably left to spend.
Build budgets and goals in one place. See where your money is going, what you’ve reserved, and what you’re working toward.
A built-in AI finance assistant that explains your money in plain language and suggests ways to save, based on your accounts and activity.
A clear view of your transactions, so you can follow what came in, what went out, and what still needs your attention.
STOS is a personal finance app for iPhone, made by an independent developer in North Carolina. It is coming soon to the App Store.
Coming soon to the App Store