Calculator Pro: Color Themes

Are you tired of that boring default calculator on your phone? The one that looks exactly the same as it did 10 years ago? Yeah, we were too. That's why we built Calculator Pro.

This isn't just another calculator. It's the calculator you'll actually want to open every day.

What makes it different?
Most calculators just do one thing: calculate. And honestly, they all look the exact same—white background, gray buttons, and you're done. Calculator Pro does everything your default calculator does, but it actually looks good doing it.

We’ve packed it with over 100 themes. Dark themes, neon styles, soft pastels, bold gradients—there's something for every mood. Feeling professional today? Pick a clean, minimal look. Feeling bold? Go full neon. The choice is completely yours.

60-Day Free Trial — No Credit Card Needed
We know you want to try it before you buy it, and that's completely fair. That’s why we’re giving you a full 60 days to explore every single premium feature for free. No credit card required. No hidden charges. Just download and start exploring.

After 60 days, if you love it (and we really think you will), you can unlock everything permanently with a one-time payment. No monthly subscriptions. No yearly fees. Pay once, own it forever.

FREE Features — Always Free:
Even without premium, Calculator Pro delivers a premium experience:

Full functionality: All basic and advanced calculations handled flawlessly.

Clean, smooth interface: Designed for speed and ease of use.

Satisfying feedback: Crisp button click sounds and haptic vibration.

Calculation history: Easily scroll back to see exactly what you just calculated.

Fast & lightweight: Optimised so it will never slow down your phone.

PREMIUM Features — Unlock Once, Keep Forever:

100+ Themes: From sleek dark modes to vibrant neons. Every theme is carefully crafted to look gorgeous on your screen.

18 Button Styles: Yes, even the buttons are customizable. Round, square, soft edges, bold, or minimal—mix and match to create your perfect setup.

Auto-Change Theme: Can't pick just one? Turn on auto-change and let the app switch styles automatically for a fresh look every time you open it.

Theme Animations: Smooth transitions when switching themes. It’s a small detail, but it makes a big difference.

Full Personalisation Hub: Control your themes, button styles, and animations all from one beautiful settings screen.

Designed for Real Use
Calculator Pro isn't just about looks. Under the hood, it's fast, accurate, and reliable. Percentages calculate exactly how you expect them to, decimal precision is handled flawlessly, and your history is always saved so you never lose track of your work.

No Ads. Ever.
Calculator Pro has absolutely zero ads. No banners. No pop-ups. No "watch this video to continue." You open the app, you calculate, and you close it. Clean and distraction-free, always.

One-Time Purchase — Not a Subscription
We hate subscriptions just as much as you do. That's why Premium is a one-time, lifetime purchase. No monthly bills, no yearly renewals, no surprises. The app and all your themes will keep working. Forever.

Privacy First
We don't collect your personal data, track you, or share anything with third parties. Your calculations stay on your device—completely private and secure. No account required, no sign-in needed.

Download free today. Try everything for 60 days. Keep it forever.
Your phone deserves better than the default calculator. Give it Calculator Pro.