
Simple Fun Calculator
Sounds, Haptics,Button Layouts
0 ratings
Free
In-App Purchases
Rating summary
About
A simple, clean calculator — with your own personal touch.
[Core Features]
· Tax calculation (8% / 10% switchable)
· Discount calculation
· Memory function (up to 10 values, tap to add to expression)
· Intuitive button layout
[Memory Function]
Save your frequently used numbers with a single tap — store up to 10 values at once.
Tap any saved number to instantly add it to your expression.
[Customization (Partially Paid)]
Set unique sounds and vibrations for each button.
Choose from a variety of sounds: click, tock, pop, chime, and more.
Pick your vibration style: soft, light, medium, heavy, and beyond.
Rearrange buttons freely so your most-used functions are always within reach.
You can preview sounds, vibrations, and button layouts for free.
Go Premium (¥280, one-time) to save your settings permanently.
[Premium Plan — ¥280 (One-time)]
· Save & apply your custom button layout
· Assign sounds and vibrations to individual buttons
· Yours forever with a single purchase
Simple, fun, and just a little bit satisfying.
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What's New in Simple Fun Calculator
0.0.3
October 6, 2026
Record your own voice and use it as a button sound (My Voice). Up to 5 recordings, from Settings > Sound & Vibration. · English language support. The app now shows English when your device language is not Japanese. · Added "Send Feedback to Developer" and "Share" to Settings.
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Subscriptions & In-App Purchases
$1.99
Premium Plan
Save button layout, sounds, and vibration settings



