8BitCalc
Retro 8-bit calculator
$0.99 · Designed for iPad. Not verified for macOS.
Relive the 80s! Calculator with authentic 8-Bit style. Rubber-key vibes, pixel-perfect font, and classic Vintage flair.
8BitCalc — the calculator that looks and feels like a classic British home micro.
Remember the rubber keys, the rainbow stripe, and that unmistakable pixel font? 8BitCalc brings all of it back — wrapped around a fully working, modern calculator.
AUTHENTIC 8-BIT HOME COMPUTER STYLE
• Original 8-bit typeface for every digit and symbol
• Signature rainbow stripe in the corner
• Deep black screen with crisp, glowing characters
• Tap the display to invert colours — just like a real CRT
• Classic "all clear" flicker flash when you reset
A CALCULATOR THAT ACTUALLY WORKS
• Add, subtract, multiply and divide with full operator chaining
• Square root and percentage — including context-aware percent
(e.g. 200 - 10% = 180, exactly how you'd expect)
• Decimal input with clean formatting
• Error handling for divide-by-zero and invalid roots
• All Clear (AC) and Clear (C) states, just like the originals
• Responsive layout for both portrait and landscape
BUILT FOR THE MODERN iPHONE
• Native SwiftUI — fast, smooth, and battery friendly
• Haptic feedback on every tap and result
• Supports iPhone and iPad, portrait and landscape
• No ads. No tracking. No subscriptions.
WHY YOU'LL LOVE IT
If you grew up with a home micro, this is a tiny piece of your childhood that fits in your pocket. If you didn't — welcome to the best-dressed calculator on the App Store.
Whether you're balancing a budget, splitting a bill, or just doing your homework, 8BitCalc turns everyday maths into a little trip back to the early 1980s.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Joao Trabuco, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Joao Trabuco
- Size
- 871.4 KB
- Category
- Utilities
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Joao Trabuco.

