Stock Master
Investing & stocks
Track stocks, watchlists, and markets in real time.
apps Apponance, Inc. — app studio
We design and build cross-platform mobile apps used around the world — from real-time investing to invoicing, budgeting, and family life. One studio, many apps, all crafted with care.
Flagship app
The investing app that started it all, powered by our own Finabase finance-data platform.
Investing & stocks
Our flagship investing app and the oldest in the portfolio. Stock Master gives investors real-time quotes, watchlists, charts, and market news, powered by the Finabase finance-data platform.
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The portfolio
From finance to family life — every app is built cross-platform with the same care.
Investing & stocks
Track stocks, watchlists, and markets in real time.
Finance-data platform
The real-time finance-data platform behind our apps.
Invoicing & billing
Invoices, estimates, expenses, and branded PDFs.
Finance & FX
FX calculator with live rates and charts.
Finance & calculators
Mortgage calculator with full amortization.
Budgeting & expenses
Expense and budget tracker for everyday life.
Family & parenting
Feeds, sleep, diapers, growth, and milestones.
Utilities & networking
A handy network toolkit for your phone.
Developer tools
AdMob revenue dashboard for developers.
The platform behind our apps
Finabase is our in-house real-time finance-data platform. It delivers live quotes, FX rates, and historical data that power Stock Master and the Currency app — fast, reliable, and built to scale.
Real-time
Market & FX
Historical data
Reliable backend
About Apponance
Apponance, Inc. has been crafting cross-platform mobile apps since 2012. We care about fast, focused, privacy-respecting software that earns a permanent spot on your home screen.
Our story arrow_forwardBrowse the full Apponance portfolio across finance, productivity, and everyday life.