StackTrack
Know what your gold and silver stack is worth. Live spot prices, real profit and loss on every coin, bar and round, and US or Canadian dollars in one tap.
Simple tools for real life
Small apps that do one job well.
Every TdotApps app is something you pay for once and keep. No account to create, no subscription to cancel, and your numbers stay on your own device.
One price
No login
Nothing uploaded
Our apps
Deedbook
Know what your rentals really earn. Equity, cash flow, mortgage paydown, appreciation and net worth for every property you own, with US and Canadian mortgage math.
Crochet Business OS
Price every handmade piece right. A calculator with your time and Etsy’s fees built in, plus orders, yarn stash, patterns, craft fair prep with printable price tags, and what your shop really keeps.
Our promise
Pay once, keep it
No subscriptions and no upsells. Updates are free.
No account needed
Open the app and start. There is nothing to sign up for.
Your data stays yours
What you type is saved on your device. We never see it and never upload it.
Questions?
A human answers. Email tdotholdings@gmail.com or message the shop on Etsy.