Retro Calc - Simple Calculator
Nostalgic 7-segment calculator
Only for iPhone
Free
iPhone
Now showing 12 digits. Redrawn seven-segment numerals, larger key labels, and sculpted keys with real depth. No ads, no tracking, no sign-up.
A beautifully simple calculator with a nostalgic retro design.
Featuring a classic seven-segment display and warm, vintage colors, Retro Calc makes everyday math feel pleasant and effortless. No clutter, no distractions — just the essentials, crafted with care.
Highlights
- Focused on the four basic operations (+ − × ÷)
- A seven-segment display drawn like the real thing, with tapered, softly rounded strokes
- Up to 12 digits, with comma grouping that keeps large numbers readable at a glance
- Sculpted keys that feel good to press, with haptic feedback on every tap
- Large, easy-to-read key labels
- Safe error handling for division by zero and overflow
- VoiceOver support
Your privacy, respected
- No internet connection, ever
- No data collection of any kind
- No ads
- No account required
Simple by design. A calculator you'll reach for every day.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The app name on the Home Screen now follows your device language. Outside Japanese, it appears as "Retro Calc."
The developer, Shuji Okuno, 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
- Shuji Okuno
- Size
- 443.4 KB
- Category
- Utilities
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later.
- iPhone
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- Copyright
- © 2026 Shuji Okuno