Calculator Keyboard Downloads & RevenueCalculator Keyboard - Calku · App Store
Not in any tracked top chart right now.
Updated 4 Nov 2026 · rankings refresh through the day
DeveloperSupagarn Pattananuchart
CategoryUtilities
PriceFree
Released
Rating★ 4.7 (493)
Version4.0
Age rating4+
First seen by us
20 Oct 2026
20 Oct 2026Calculator Keyboard - Calku update history & changes
Last change · 3 events since 30 Dec 2020Full timeline ↓Full timeline · 3 events
- 🆕Calculator Keyboard - Calku first spotted by AppInsiderUnited States (found via search)
- 📦Calculator Keyboard - Calku version 4.0• Performance improvements
• Bug fixes - 🆕Calculator Keyboard - Calku released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.7 ★
493 ratings
Measured
Calculator Keyboard - Calku on the App Store
App details
App ID
1546065778
Publisher
Supagarn Pattananuchart
On the store since
Dec 2020
5 years on the store
Minimum OS
iOS 14.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
1
EN
Size
4 MB
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.7 ★
493 ratings
Measured
Ratings
493
Measured
About Calculator Keyboard - Calku
Calku transforms your keyboard into a handy calculator, making quick calculations effortless without switching apps! Whether you're texting, taking notes, or browsing, you can instantly calculate within any app. Perfect for messaging, homework, or day-to-day tasks.
Compatible with many apps such as
• Messages, Messenger, WeChat, Line,
Twitter, Telegram, Instagram, etc.
• Safari
• Notes
• Mail
• Stocks
• And many more!
Features :
• Supports Dark Mode
• Full iPadOS Compatibility
• Customizable Decimal Points
• Powerful Scientific Calculator
• Access Your Calculation History
• Keyboard Feedback (Sound & Haptic)
Say goodbye to app-switching and copying-pasting—Calku makes calculations easy and seamless in any app!
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://supagarn-pa.com/Calku/privacy-policy
Compatible with many apps such as
• Messages, Messenger, WeChat, Line,
Twitter, Telegram, Instagram, etc.
• Safari
• Notes
• Stocks
• And many more!
Features :
• Supports Dark Mode
• Full iPadOS Compatibility
• Customizable Decimal Points
• Powerful Scientific Calculator
• Access Your Calculation History
• Keyboard Feedback (Sound & Haptic)
Say goodbye to app-switching and copying-pasting—Calku makes calculations easy and seamless in any app!
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://supagarn-pa.com/Calku/privacy-policy
Latest updates
4.0
• Performance improvements
• Bug fixes
