--- title: "FunctionCalc - Reviews, Revenue and Downloads in United States | Apple App Store" description: "FunctionCalc is a very simple calculator that provides some additional functionality making it extremely powerful and yet very easy to use. The additional functions include: • The latest exchange rat" --- # FunctionCalc — United States ![FunctionCalc App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/c0/07/ff/c007ff15-6731-fddc-4cf7-e8059aa2fad5/AppIcon-0-0-1x_U007emarketing-0-11-0-85-220.png/434x0w.png) **Developer:** [Lawler Innovations](https://apptail.io/developer/lawler-innovations-Rkdc) **Category:** Utilities **Rating:** 5.0/5 (13 ratings) **Price:** Free **Bundle ID:** com.lawlerinnovationsinc.FunctionCalc **Store:** Apple App Store **Country:** United States **Version:** 5.13 (released 2026-04-02) **Original Release:** 2019-03-10 **Languages:** English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id1455028714) **AppTail Page:** [https://apptail.io/app/functioncalc-Uvqe/united-states](https://apptail.io/app/functioncalc-Uvqe/united-states) ## FunctionCalc Description FunctionCalc is a very simple calculator that provides some additional functionality making it extremely powerful and yet very easy to use. The additional functions include: • The latest exchange rates for 171 currencies • Performs mathematic operations on time-formatted numbers such as "3:15"  • Direct conversions of units of measurement for categories such as currencies, weights, volumes, temperature etc. • Pre-programmed complex mathematical formulas with text prompts for easier data input • Eight pre-set customizable buttons which may be set to allow for one-tap access to the formulas and conversions that are used the most FunctionCalc has been found to be especially beneficial for those traveling to foreign countries that use different monetary and measurement systems. Keeping the host country's currency and measurement conversions in the preset buttons allows for quick conversion to the user's own familiar units, even if the phone does not have Internet connectivity at that time. ## FunctionCalc Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource124/v4/df/55/0e/df550e7f-ec23-8a6b-d148-9440c2aa9a54/d07721dd-661e-4e46-99ed-488d46311b2c_screenshot1.jpeg/1242x2688.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource114/v4/d2/c7/d0/d2c7d038-3cb7-5bf5-11f4-76cc1af73a11/2c491a43-93ac-453f-861d-e25d2e3b54db_screenshot2.jpeg/1242x2688.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource114/v4/2f/5c/04/2f5c04df-3598-80a3-33f1-b8cf81e5853d/8a7d29e8-619e-4bdb-9c90-a0f4eb05e7ba_screenshot3.jpeg/1242x2688.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource114/v4/09/82/1b/09821b92-5afd-3f72-2b12-50ea49f4fbc3/4f10e917-5a34-4bac-990a-d73726ca8867_screenshot4.jpeg/1242x2688.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource114/v4/b2/fc/10/b2fc10e1-9d3e-7d42-91df-6c64e0b95f67/6b2c202e-2aba-4e7a-a6ac-17c567104036_screenshot5.jpeg/1242x2688.png) ## FunctionCalc Rating Breakdown in United States - 5 stars: 13 (100%) - 4 stars: 0 (0%) - 3 stars: 0 (0%) - 2 stars: 0 (0%) - 1 stars: 0 (0%) ## FunctionCalc Reviews in United States ### ***** "Great Conversion App" Great app for all types of conversions. Definitely worth the $$. It’s been so useful for everything from currency to weights. Even useful for pilots. -- hc294027, 2019-04-26 [View all FunctionCalc reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews) ## FunctionCalc Discovered Keywords - function calc - functioncalc ## Apps Similar to FunctionCalc - [iPlayTo - Media Cast](https://apptail.io/app/iplayto-media-cast-Wqd/united-states) - [Equal=It Unit Converter Plus](https://apptail.io/app/equalit-unit-converter-plus-xoe/united-states) - [密记 - 你的日记本](https://apptail.io/app/app-qHY/united-states) - [File Explorer Professional](https://apptail.io/app/file-explorer-professional-Zjeb/united-states) - [Disk Mounter Professional](https://apptail.io/app/disk-mounter-professional-bkeb/united-states) - [The Audio Toolbox](https://apptail.io/app/the-audio-toolbox-FlIb/united-states) - [Text Me Out](https://apptail.io/app/text-me-out-AJHc/united-states) - [Party Flyer Creator](https://apptail.io/app/party-flyer-creator-nAIc/united-states) - [Subtitles Viewer PRO](https://apptail.io/app/subtitles-viewer-pro-iwJc/united-states) - [Widget of Art](https://apptail.io/app/widget-of-art-iqSd/united-states) ## FunctionCalc Available In - [United States](https://apptail.io/app/functioncalc-Uvqe/united-states) - [Germany](https://apptail.io/app/functioncalc-Uvqe/germany) - [Australia](https://apptail.io/app/functioncalc-Uvqe/australia) - [Greece](https://apptail.io/app/functioncalc-Uvqe/greece) - [Austria](https://apptail.io/app/functioncalc-Uvqe/austria) - [Belgium](https://apptail.io/app/functioncalc-Uvqe/belgium) - [Bahrain](https://apptail.io/app/functioncalc-Uvqe/bahrain) - [Brunei](https://apptail.io/app/functioncalc-Uvqe/brunei) - [Brazil](https://apptail.io/app/functioncalc-Uvqe/brazil) - [Belarus](https://apptail.io/app/functioncalc-Uvqe/belarus) - [Canada](https://apptail.io/app/functioncalc-Uvqe/canada) - [Switzerland](https://apptail.io/app/functioncalc-Uvqe/switzerland) - [Chile](https://apptail.io/app/functioncalc-Uvqe/chile) - [China](https://apptail.io/app/functioncalc-Uvqe/china) - [Colombia](https://apptail.io/app/functioncalc-Uvqe/colombia) - [Cyprus](https://apptail.io/app/functioncalc-Uvqe/cyprus) - [Czechia](https://apptail.io/app/functioncalc-Uvqe/czechia) - [Denmark](https://apptail.io/app/functioncalc-Uvqe/denmark) - [Dominican Republic](https://apptail.io/app/functioncalc-Uvqe/dominican-republic) - [Algeria](https://apptail.io/app/functioncalc-Uvqe/algeria) - [Ecuador](https://apptail.io/app/functioncalc-Uvqe/ecuador) - [Estonia](https://apptail.io/app/functioncalc-Uvqe/estonia) - [Egypt](https://apptail.io/app/functioncalc-Uvqe/egypt) - [Spain](https://apptail.io/app/functioncalc-Uvqe/spain) - [Finland](https://apptail.io/app/functioncalc-Uvqe/finland) - [France](https://apptail.io/app/functioncalc-Uvqe/france) - [United Kingdom](https://apptail.io/app/functioncalc-Uvqe/united-kingdom) - [Hong Kong SAR China](https://apptail.io/app/functioncalc-Uvqe/hong-kong) - [Croatia](https://apptail.io/app/functioncalc-Uvqe/croatia) - [Hungary](https://apptail.io/app/functioncalc-Uvqe/hungary) - [Indonesia](https://apptail.io/app/functioncalc-Uvqe/indonesia) - [Ireland](https://apptail.io/app/functioncalc-Uvqe/ireland) - [Israel](https://apptail.io/app/functioncalc-Uvqe/israel) - [India](https://apptail.io/app/functioncalc-Uvqe/india) - [Iceland](https://apptail.io/app/functioncalc-Uvqe/iceland) - [Italy](https://apptail.io/app/functioncalc-Uvqe/italy) - [Japan](https://apptail.io/app/functioncalc-Uvqe/japan) - [Kenya](https://apptail.io/app/functioncalc-Uvqe/kenya) - [South Korea](https://apptail.io/app/functioncalc-Uvqe/south-korea) - [Kuwait](https://apptail.io/app/functioncalc-Uvqe/kuwait) - [Kazakhstan](https://apptail.io/app/functioncalc-Uvqe/kazakhstan) - [Lebanon](https://apptail.io/app/functioncalc-Uvqe/lebanon) - [Macao SAR China](https://apptail.io/app/functioncalc-Uvqe/macau) - [Malta](https://apptail.io/app/functioncalc-Uvqe/malta) - [Mexico](https://apptail.io/app/functioncalc-Uvqe/mexico) - [Malaysia](https://apptail.io/app/functioncalc-Uvqe/malaysia) - [Nigeria](https://apptail.io/app/functioncalc-Uvqe/nigeria) - [Nepal](https://apptail.io/app/functioncalc-Uvqe/nepal) - [New Zealand](https://apptail.io/app/functioncalc-Uvqe/new-zealand) - [Peru](https://apptail.io/app/functioncalc-Uvqe/peru) - [Philippines](https://apptail.io/app/functioncalc-Uvqe/philippines) - [Pakistan](https://apptail.io/app/functioncalc-Uvqe/pakistan) - [Poland](https://apptail.io/app/functioncalc-Uvqe/poland) - [Portugal](https://apptail.io/app/functioncalc-Uvqe/portugal) - [Romania](https://apptail.io/app/functioncalc-Uvqe/romania) - [Saudi Arabia](https://apptail.io/app/functioncalc-Uvqe/saudi-arabia) - [Sweden](https://apptail.io/app/functioncalc-Uvqe/sweden) - [Singapore](https://apptail.io/app/functioncalc-Uvqe/singapore) - [Slovakia](https://apptail.io/app/functioncalc-Uvqe/slovakia) - [Thailand](https://apptail.io/app/functioncalc-Uvqe/thailand) - [Türkiye](https://apptail.io/app/functioncalc-Uvqe/turkey) - [Taiwan](https://apptail.io/app/functioncalc-Uvqe/taiwan) - [Ukraine](https://apptail.io/app/functioncalc-Uvqe/ukraine) - [Uganda](https://apptail.io/app/functioncalc-Uvqe/uganda) - [South Africa](https://apptail.io/app/functioncalc-Uvqe/south-africa) - [Armenia](https://apptail.io/app/functioncalc-Uvqe/armenia) - [Angola](https://apptail.io/app/functioncalc-Uvqe/angola) - [Argentina](https://apptail.io/app/functioncalc-Uvqe/argentina) - [Azerbaijan](https://apptail.io/app/functioncalc-Uvqe/azerbaijan) - [United Arab Emirates](https://apptail.io/app/functioncalc-Uvqe/united-arab-emirates) - [Vietnam](https://apptail.io/app/functioncalc-Uvqe/vietnam) - [Madagascar](https://apptail.io/app/functioncalc-Uvqe/madagascar) --- ## 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. 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