AppMarketSpy › Utilities › 123 Calculator: Reverse Keypad
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App info
- Developer
- ZHUO KANG
- Category
- Utilities
- Released
- Sep 22, 2026
- Version
- 1.0 (Sep 22, 2026)
- Price
- Free
- Size
- 1.4 MB
- Requires
- iOS 17.0
- Age rating
- 4+
- Languages
- English
In-app purchases
noneCurrent prices, App Store US.
About 123 Calculator: Reverse Keypad
123 Calculator is a focused calculator with a phone-style keypad: 1, 2, and 3 start on top. Tap 1 ⇄ 7 to switch instantly between phone order and traditional calculator order. It includes four-function arithmetic, percentages, decimals, repeated equals, adaptive number display, haptic feedback, and VoiceOver labels. Calculations run locally on your iPhone. No account, network connection, ads, tracking, or permissions required.
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