Stone Leaf Software builds small, privacy-first tools for your money, your peace of mind, and a little fun. Start with Payday Planner, our free paycheck budget app.
or browse everything we make โSee exactly which bills each paycheck covers, plan 3-paycheck months, track savings goals, debt, credit cards and net worth, all without connecting your bank.

Free, plain-English guides on budgeting, debt, saving and income. Many end with a quick 3-question quiz so you can check what stuck.
A gentle checklist for leaving home and going to bed. Step out of the โdid I lock the door? did I turn off the stove?โ loop, see your partner's checks in real time, give each kid their own chore list, and set one-time reminders.

A relaxing block-puzzle: place pieces, clear rows and columns, chain combos.

Make one paycheck last 14 days of bills and surprise life events.

Guess what 10 everyday things really cost and see how close you get.

A joke slot machine that shows what small daily habits cost over 1, 5 and 10 years.

Grab the keys, shoes and lunchbox before the bus leaves. Each morning gets messier.

Tap the classic meeting phrases as they happen. Five in a row wins the meeting.

A daily 5-letter money word puzzle. Six tries, new word every day.

A silly Battleship-style game plus a break timer that shows how much you got paid for that bathroom break.

We never sell your data, and what you enter in our apps stays private to your account and is never used for advertising.
Our apps work without connecting your bank or handing over passwords.
Open in any browser or install to your home screen. No app store required.
Focused tools that do one job well, with friendly words instead of jargon.