GirlMath

Justify any purchase 💅

Real price comparisons. Shareable justifications.
Zero guilt. All vibes.

“this is basically free bestie 🌸”

“future you will be SO proud 🌟”

Free to try · Premium unlocks everything

Features

Why you need this

Because “it's basically free if you think about it” deserves real backup.

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Smart justifications that make every purchase feel like a steal. Your brain was already doing this — now it has receipts.

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We search the internet for real prices so the math actually checks out. It's not delusion, it's data.

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Screenshot your justification card and share it with your friends. They'll get it. They always get it.

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We'll remind you when it's time to cancel that free trial. Because forgetting is NOT girl math.

How it works

Tell GirlMath what you bought (or want to buy) 🛍️

Enter the price — no judgment, ever 💸

Get a clear justification backed by real math 🧮

Share it, screenshot it, live your best life ✨

Want more GirlMath wisdom?

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“If you return something and buy something else with the refund, the new thing is free. That's just math.”

— The GirlMath Doctrine

Download GirlMath free and start living your best financial fantasy.