--- title: "Calculator Keyboard - Calku - Reviews, Revenue and Downloads in United States | Apple App Store" description: "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 with" --- # Calculator Keyboard - Calku — United States > Calculate from your keyboard ![Calculator Keyboard App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/0a/35/47/0a3547b1-1c4e-6973-77d8-4e2a10b5045b/AppIcon-0-0-1x_U007emarketing-0-8-0-sRGB-85-220.png/434x0w.png) **Developer:** [Supagarn Pattananuchart](https://apptail.io/developer/supagarn-pattananuchart-dsS) **Category:** Utilities **Rating:** 4.7/5 (486 ratings) **Price:** Free **Bundle ID:** com.CalculatorKeyboard.Calku **Store:** Apple App Store **Country:** United States **Version:** 3.9 (released 2025-12-21) **Original Release:** 2020-12-30 **Languages:** English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id1546065778) **AppTail Page:** [https://apptail.io/app/calculator-keyboard-calku-UFx/united-states](https://apptail.io/app/calculator-keyboard-calku-UFx/united-states) ## Calculator Keyboard Description 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: Privacy Policy: ## Calculator Keyboard Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource122/v4/bf/45/8c/bf458cfa-ed66-86ea-736e-1deaa67856f3/2be7fb33-cf07-4b92-b087-8f5fc626722a_Hotpot_0.png/1242x2688.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource122/v4/c5/2b/c2/c52bc255-3b83-881c-4eeb-eeac2be30db5/da2620e9-3951-4b87-9ca5-926f3956de03_Hotpot_1.png/1242x2688.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource112/v4/c0/2a/3d/c02a3d11-4155-9157-497f-cfb4cc96dea5/ba857017-a89d-44b0-a231-8f08e59a52f9_Hotpot_2.png/1242x2688.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource122/v4/44/2b/52/442b523d-10b2-bc39-d00b-d16271c976f8/386375a3-1b42-4ce1-8fd6-0ff4ea8c35b7_Hotpot_3.png/1242x2688.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource112/v4/bf/4a/04/bf4a04c7-6a8c-780d-e988-513a122d7a01/c06b67b5-3b81-4926-bec3-9cdc89a5d704_Hotpot_4.png/1242x2688.png) - [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource122/v4/a7/3b/15/a73b15be-f4b5-13fb-a6dc-cd9a771b1f42/a493176f-9d80-43cf-b296-535bdb362c3e_Hotpot_5.png/1242x2688.png) - [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource122/v4/7f/0e/c8/7f0ec857-22da-5d76-313f-39b4aa7bc588/0b08ecdf-d5df-473b-ac62-6bcbc45d1fb9_Hotpot_6.png/1242x2688.png) - [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource122/v4/cd/74/9f/cd749fbb-4dbc-973a-0035-032a0a2e6382/43e22235-3b86-4b5c-8205-6908602a3949_Hotpot_7.png/1242x2688.png) - [Screenshot 9](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource122/v4/32/2c/dc/322cdcd2-ec99-2ef4-c466-d08ca2d78f9a/9b499139-cb34-4468-8cfb-5471461156bb_Hotpot_8.png/1242x2688.png) ## Calculator Keyboard Rating Breakdown in United States - 5 stars: 425 (87%) - 4 stars: 30 (6%) - 3 stars: 10 (2%) - 2 stars: 7 (1%) - 1 stars: 14 (3%) ## Calculator Keyboard Reviews in United States ### ***** "I made it five stars so you can be aware ⚠️" I think it’s good but I can’t delete it! Please delete this on my account!!!!!! I hate having it -- ceazy kitty, 2024-10-08 ### ***** "Best calculator app ever!!" 999999+99999=1,099,998 -- Guess 45465656, 2024-08-18 ### ****- "tim" the -- 飞蛾向火扑, 2024-07-29 ### ***** "Very nice" Very nice and handy Only thing I wish it had is vibration on touch. -- amirsj2, 2024-05-28 ### *---- "Doesn't work" Worthless app. I installed it and it doesn't work -- Armpit City, 2024-05-10 ### ***** "Great utility." Makes using the keyboard much easier. Makes using calculations much easier than using the dedicated keys on a alpha numeric type keyboard on a standard keyboard layout. Very helpful when using iMessages when showing calculations to others. -- britnan159, 2024-01-13 ### ***** "History button" Thank you for great app Please bring history button to main page -- Ali Asghari, 2023-04-16 ### ***** "تطبيق جميل جداً" يخليك تستغني عن الخروج من المحادثة علشان تحسب على حاسبة الجهاز -- Abdulrhman alamri, 2022-12-19 ### *---- "Doesn’t work in iPad Pro 2021 iOS 14.6" Can’t get it to “Add Keyboard” on iPad Pro 2021 iOS 14.6. Instructions leave a lot to be desired. Not recommended. -- bb_photos, 2021-05-31 ### ***** "زۆر تايبەتە، amazing" زۆر تايبەت و ناوازەيە دەتوانى لەگەڵ كيبۆرد بەكارى بێنيت -- pshtiwan suleiman, 2021-05-18 ### ***** "Great idea 💡" Is very useful but sometimes is buggy 😊 -- Jorgenis H, 2021-03-09 ### ***** "Great idea!" Pretty great idea for an app! Works flawlessly and I like the “keep result only” setting. -- JoeDoom57, 2021-03-08 ### ***** "Great idea!" I’m surprised that no one thought of this sooner. Very useful -- Th20967, 2021-02-25 ### ***** "Calku Works Great!" I came into this app by accident as I was not looking for a calculator, but I must say this app really works great! I have found this app comes in handy to do a quick calculation while in other apps. The app is easy to use and performs well. My thanks to the developers for a simple app that performs great. Job well done! -- Scott1155, 2021-02-14 [View all Calculator Keyboard reviews and detailed analytics on AppTail](https://apptail.io/account/signup?utm_campaign=ai-crawl&utm_content=reviews) ## Calculator Keyboard In-App Purchases | Item | Price | |------|-------| | Calku Pro - Lifetime | $1.99 | | Calku PRO (1 Month) | $0.99 | ## Calculator Keyboard Discovered Keywords - calcul keyboard - calculator keyboard - keyboard calculator - scientific keyboard ## Apps Similar to Calculator Keyboard - [Xmart Calculator Pro](https://apptail.io/app/xmart-calculator-pro-DFe/united-states) - [File Explorer & Player [Pro]](https://apptail.io/app/file-explorer-player-pro-uSi/united-states) - [MP4Plus 视频转换mp4或mp3 PRO](https://apptail.io/app/mp4plus-mp4mp3-pro-CqH/united-states) - [Calcvier - Keyboard Calculator](https://apptail.io/app/calcvier-keyboard-calculator-hwS/united-states) - [App Secret Pro](https://apptail.io/app/app-secret-pro-yyS/united-states) - [RGB Keyboard - LED Neon](https://apptail.io/app/rgb-keyboard-led-neon-Illb/united-states) - [PrefixPlus - add the prefix](https://apptail.io/app/prefixplus-add-the-prefix-hdyb/united-states) - [BAST: Battery Status](https://apptail.io/app/bast-battery-status-gyyb/united-states) - [Split Screen Multitasking View](https://apptail.io/app/split-screen-multitasking-view-sgVc/united-states) - [Power Reverse Image Search](https://apptail.io/app/power-reverse-image-search-Leed/united-states) ## Calculator Keyboard Available In - [United States](https://apptail.io/app/calculator-keyboard-calku-UFx/united-states) - [China](https://apptail.io/app/calculator-keyboard-calku-UFx/china) - [Saudi Arabia](https://apptail.io/app/calculator-keyboard-calku-UFx/saudi-arabia) - [Thailand](https://apptail.io/app/calculator-keyboard-calku-UFx/thailand) - [Taiwan](https://apptail.io/app/calculator-keyboard-calku-UFx/taiwan) - [India](https://apptail.io/app/calculator-keyboard-calku-UFx/india) - [Hong Kong SAR China](https://apptail.io/app/calculator-keyboard-calku-UFx/hong-kong) - [United Arab Emirates](https://apptail.io/app/calculator-keyboard-calku-UFx/united-arab-emirates) - [Canada](https://apptail.io/app/calculator-keyboard-calku-UFx/canada) - [Japan](https://apptail.io/app/calculator-keyboard-calku-UFx/japan) - [United Kingdom](https://apptail.io/app/calculator-keyboard-calku-UFx/united-kingdom) - [Vietnam](https://apptail.io/app/calculator-keyboard-calku-UFx/vietnam) - [France](https://apptail.io/app/calculator-keyboard-calku-UFx/france) - [Australia](https://apptail.io/app/calculator-keyboard-calku-UFx/australia) - [South Korea](https://apptail.io/app/calculator-keyboard-calku-UFx/south-korea) - [Türkiye](https://apptail.io/app/calculator-keyboard-calku-UFx/turkey) - [Germany](https://apptail.io/app/calculator-keyboard-calku-UFx/germany) - [Netherlands](https://apptail.io/app/calculator-keyboard-calku-UFx/netherlands) - [Egypt](https://apptail.io/app/calculator-keyboard-calku-UFx/egypt) - [Sweden](https://apptail.io/app/calculator-keyboard-calku-UFx/sweden) - [Malaysia](https://apptail.io/app/calculator-keyboard-calku-UFx/malaysia) - [Israel](https://apptail.io/app/calculator-keyboard-calku-UFx/israel) - [Brazil](https://apptail.io/app/calculator-keyboard-calku-UFx/brazil) - [Russia](https://apptail.io/app/calculator-keyboard-calku-UFx/russia) - [Singapore](https://apptail.io/app/calculator-keyboard-calku-UFx/singapore) - [Philippines](https://apptail.io/app/calculator-keyboard-calku-UFx/philippines) - [Indonesia](https://apptail.io/app/calculator-keyboard-calku-UFx/indonesia) - [Kuwait](https://apptail.io/app/calculator-keyboard-calku-UFx/kuwait) - [Spain](https://apptail.io/app/calculator-keyboard-calku-UFx/spain) - [Oman](https://apptail.io/app/calculator-keyboard-calku-UFx/oman) - [Italy](https://apptail.io/app/calculator-keyboard-calku-UFx/italy) - [Mexico](https://apptail.io/app/calculator-keyboard-calku-UFx/mexico) - [Senegal](https://apptail.io/app/calculator-keyboard-calku-UFx/senegal) - [Argentina](https://apptail.io/app/calculator-keyboard-calku-UFx/argentina) - [Switzerland](https://apptail.io/app/calculator-keyboard-calku-UFx/switzerland) - [Colombia](https://apptail.io/app/calculator-keyboard-calku-UFx/colombia) - [Sri Lanka](https://apptail.io/app/calculator-keyboard-calku-UFx/sri-lanka) - [Austria](https://apptail.io/app/calculator-keyboard-calku-UFx/austria) - [Pakistan](https://apptail.io/app/calculator-keyboard-calku-UFx/pakistan) - [Finland](https://apptail.io/app/calculator-keyboard-calku-UFx/finland) - [Greece](https://apptail.io/app/calculator-keyboard-calku-UFx/greece) - [Kazakhstan](https://apptail.io/app/calculator-keyboard-calku-UFx/kazakhstan) - [Portugal](https://apptail.io/app/calculator-keyboard-calku-UFx/portugal) - [Uzbekistan](https://apptail.io/app/calculator-keyboard-calku-UFx/uzbekistan) - [Nigeria](https://apptail.io/app/calculator-keyboard-calku-UFx/nigeria) - [Uganda](https://apptail.io/app/calculator-keyboard-calku-UFx/uganda) - [Norway](https://apptail.io/app/calculator-keyboard-calku-UFx/norway) - [Tunisia](https://apptail.io/app/calculator-keyboard-calku-UFx/tunisia) - [Belgium](https://apptail.io/app/calculator-keyboard-calku-UFx/belgium) - [Peru](https://apptail.io/app/calculator-keyboard-calku-UFx/peru) - [Lebanon](https://apptail.io/app/calculator-keyboard-calku-UFx/lebanon) - [Bahrain](https://apptail.io/app/calculator-keyboard-calku-UFx/bahrain) - [Croatia](https://apptail.io/app/calculator-keyboard-calku-UFx/croatia) - [South Africa](https://apptail.io/app/calculator-keyboard-calku-UFx/south-africa) - [Denmark](https://apptail.io/app/calculator-keyboard-calku-UFx/denmark) - [Cyprus](https://apptail.io/app/calculator-keyboard-calku-UFx/cyprus) - [Dominican Republic](https://apptail.io/app/calculator-keyboard-calku-UFx/dominican-republic) - [Ukraine](https://apptail.io/app/calculator-keyboard-calku-UFx/ukraine) - [Ecuador](https://apptail.io/app/calculator-keyboard-calku-UFx/ecuador) - [Lithuania](https://apptail.io/app/calculator-keyboard-calku-UFx/lithuania) - [North Macedonia](https://apptail.io/app/calculator-keyboard-calku-UFx/north-macedonia) - [Malta](https://apptail.io/app/calculator-keyboard-calku-UFx/malta) - [Hungary](https://apptail.io/app/calculator-keyboard-calku-UFx/hungary) - [Algeria](https://apptail.io/app/calculator-keyboard-calku-UFx/algeria) - [Poland](https://apptail.io/app/calculator-keyboard-calku-UFx/poland) - [Romania](https://apptail.io/app/calculator-keyboard-calku-UFx/romania) - [Slovakia](https://apptail.io/app/calculator-keyboard-calku-UFx/slovakia) - [Belarus](https://apptail.io/app/calculator-keyboard-calku-UFx/belarus) - [Brunei](https://apptail.io/app/calculator-keyboard-calku-UFx/brunei) - [Belize](https://apptail.io/app/calculator-keyboard-calku-UFx/belize) - [Luxembourg](https://apptail.io/app/calculator-keyboard-calku-UFx/luxembourg) - [Czechia](https://apptail.io/app/calculator-keyboard-calku-UFx/czechia) - [Ireland](https://apptail.io/app/calculator-keyboard-calku-UFx/ireland) - [Azerbaijan](https://apptail.io/app/calculator-keyboard-calku-UFx/azerbaijan) - [New Zealand](https://apptail.io/app/calculator-keyboard-calku-UFx/new-zealand) - [Grenada](https://apptail.io/app/calculator-keyboard-calku-UFx/grenada) - [Madagascar](https://apptail.io/app/calculator-keyboard-calku-UFx/madagascar) - [Chile](https://apptail.io/app/calculator-keyboard-calku-UFx/chile) - [Slovenia](https://apptail.io/app/calculator-keyboard-calku-UFx/slovenia) - [Latvia](https://apptail.io/app/calculator-keyboard-calku-UFx/latvia) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends. - [Search Apps](https://apptail.io) - [Top Charts](https://apptail.io/top-iphone-apps) - [Sign Up for Full Access](https://apptail.io/account/signup?utm_campaign=ai-crawl&utm_content=footer) *Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*