--- title: "ProportionsOf ? - Reviews, Revenue and Downloads in Ireland | Apple App Store" description: "In maths: the product of the means equals the product of the extremes ∴ x:z=y:w => x.w=z.y This APP uses the Rule of Three to calculates the ratio between values. You can calculate, for example, if " --- # ProportionsOf ? — Ireland > Rule of Three Solver ![ProportionsOf ? App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/17/83/d7/1783d754-74c7-34b1-4887-b08497edfac2/AppIcon-1x_U007emarketing-0-8-0-85-220-0.png/434x0w.png) **Developer:** [Claudio Guirunas](https://apptail.io/developer/claudio-guirunas-PTkb) **Category:** Developer Tools **Rating:** 5.0/5 (2 ratings) **Price:** Free **Bundle ID:** painelx.com.ProportionsOfv2 **Store:** Apple App Store **Country:** Ireland **Version:** 1.4 (released 2026-08-25) **Original Release:** 2016-09-16 **Languages:** English, Arabic, Bengali, Dutch, French, German, Greek (modern), Hebrew (modern), Hindi, Irish, Italian, Japanese, Korean, Malay, Persian, Portuguese, Russian, Chinese, Spanish, Turkish, Ukrainian **App Store Link:** [Download on Apple App Store](https://apps.apple.com/ie/app/app/id1151235927) **AppTail Page:** [https://apptail.io/app/proportionsof-bCul/ireland](https://apptail.io/app/proportionsof-bCul/ireland) ## ProportionsOf ? Description In maths: the product of the means equals the product of the extremes ∴ x:z=y:w => x.w=z.y This APP uses the Rule of Three to calculates the ratio between values. You can calculate, for example, if it's worth buying a promotional product like the following: "Buy 70gr of biscuit for €4.98 or 140gr for € 9.97". Would not it be more advantageous to buy 2 of 70g instead of 1 package of 140g? Well, you can draw your own conclusions using the app for a multitude of calculations. Basically, the entire world around your is a matters of proportions. The App also a great tool for children to get a notion of how they can calculate proportions using the rule of three to start to use on their daily-life. Available in Arabic, Bengali, Chinese, Dutch, English, French, German, Greek, Hebrew, Hindi, Irish, Italian, Japanese, Korean, Malay, Persian, Portuguese, Russian, Spanish, Turkish and Ukrainian. NOTE: * By downloading this APP you agree to: ∙ Terms & Conditions of Use ( ∙ Privacy Policy ( ∙ Displaimer ( For more information, please visit the website: ## ProportionsOf ? Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/a9/7a/4f/a97a4fe9-195c-7ebf-9aed-b2f02c32638c/b6c94e5a-49da-4259-b943-49aa78d96d0f_Simulator_Screen_Shot_-_iPhone_11_Pro_Max_-_2023-03-30_at_17.32.48.png/1242x2688.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/b5/3c/e3/b53ce338-49c9-597a-d1bd-c55cf37e14e7/090c4202-5502-4ae3-86b0-5b1bd99588ca_Simulator_Screen_Shot_-_iPhone_11_Pro_Max_-_2023-03-30_at_19.21.06.png/1242x2688.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/f5/1f/ed/f51fed3a-1e50-637c-a714-0133c964155f/b32728f9-1577-4c22-8180-2b341df89ce8_Simulator_Screen_Shot_-_iPhone_11_Pro_Max_-_2023-03-30_at_19.21.25.png/1242x2688.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/29/15/17/291517cf-71a7-fe00-9a0e-58c13385b960/cc0a91ea-58f2-4573-a930-3446d2e53230_Simulator_Screen_Shot_-_iPhone_11_Pro_Max_-_2023-03-30_at_19.21.55.png/1242x2688.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/d9/6e/c2/d96ec224-3c89-3bb9-218d-25a0ebe0365a/895f472b-e064-46e0-97bd-ff2491a799cd_Simulator_Screen_Shot_-_iPhone_11_Pro_Max_-_2023-03-30_at_17.31.59.png/1242x2688.png) - [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/67/6c/4f/676c4f3d-001f-8947-9891-248b8610f46c/997ccb8c-e0aa-4324-a0ef-0a9b1ecf7e69_Simulator_Screen_Shot_-_iPhone_11_Pro_Max_-_2023-03-30_at_17.31.23.png/1242x2688.png) - [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/0b/0b/fa/0b0bfa04-a11d-972c-af02-9a0fc073e34c/eeb2be5e-6648-4a3f-b3fd-e231c0d09f21_Simulator_Screen_Shot_-_iPhone_11_Pro_Max_-_2023-03-30_at_17.33.13.png/1242x2688.png) - [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/35/81/cd/3581cdcb-9549-01e2-4556-6b07c918ab01/261be998-4d2a-4fee-88cc-97614b4a7d5f_Simulator_Screen_Shot_-_iPhone_11_Pro_Max_-_2023-03-30_at_17.33.28.png/1242x2688.png) ## ProportionsOf ? Rating Breakdown in Ireland - 5 stars: 2 (100%) - 4 stars: 0 (0%) - 3 stars: 0 (0%) - 2 stars: 0 (0%) - 1 stars: 0 (0%) ## ProportionsOf ? Reviews in Ireland ### ***** "All directions" The app do the calc in all directions, very good! -- cguir, 2016-10-18 [View all ProportionsOf ? reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews) ## ProportionsOf ? Available In - [Ireland](https://apptail.io/app/proportionsof-bCul/ireland) - [Mexico](https://apptail.io/app/proportionsof-bCul/mexico) - [Brazil](https://apptail.io/app/proportionsof-bCul/brazil) - [United Kingdom](https://apptail.io/app/proportionsof-bCul/united-kingdom) - [Azerbaijan](https://apptail.io/app/proportionsof-bCul/azerbaijan) - [Belgium](https://apptail.io/app/proportionsof-bCul/belgium) - [Belarus](https://apptail.io/app/proportionsof-bCul/belarus) - [Canada](https://apptail.io/app/proportionsof-bCul/canada) - [Switzerland](https://apptail.io/app/proportionsof-bCul/switzerland) - [Chile](https://apptail.io/app/proportionsof-bCul/chile) - [China](https://apptail.io/app/proportionsof-bCul/china) - [Colombia](https://apptail.io/app/proportionsof-bCul/colombia) - [Cyprus](https://apptail.io/app/proportionsof-bCul/cyprus) - [Czechia](https://apptail.io/app/proportionsof-bCul/czechia) - [Germany](https://apptail.io/app/proportionsof-bCul/germany) - [Denmark](https://apptail.io/app/proportionsof-bCul/denmark) - [Dominican Republic](https://apptail.io/app/proportionsof-bCul/dominican-republic) - [Algeria](https://apptail.io/app/proportionsof-bCul/algeria) - [Ecuador](https://apptail.io/app/proportionsof-bCul/ecuador) - [Egypt](https://apptail.io/app/proportionsof-bCul/egypt) - [Spain](https://apptail.io/app/proportionsof-bCul/spain) - [Finland](https://apptail.io/app/proportionsof-bCul/finland) - [France](https://apptail.io/app/proportionsof-bCul/france) - [Greece](https://apptail.io/app/proportionsof-bCul/greece) - [Hong Kong SAR China](https://apptail.io/app/proportionsof-bCul/hong-kong) - [Indonesia](https://apptail.io/app/proportionsof-bCul/indonesia) - [Israel](https://apptail.io/app/proportionsof-bCul/israel) - [India](https://apptail.io/app/proportionsof-bCul/india) - [Iceland](https://apptail.io/app/proportionsof-bCul/iceland) - [Italy](https://apptail.io/app/proportionsof-bCul/italy) - [Japan](https://apptail.io/app/proportionsof-bCul/japan) - [South Korea](https://apptail.io/app/proportionsof-bCul/south-korea) - [Kuwait](https://apptail.io/app/proportionsof-bCul/kuwait) - [Kazakhstan](https://apptail.io/app/proportionsof-bCul/kazakhstan) - [Lebanon](https://apptail.io/app/proportionsof-bCul/lebanon) - [Lithuania](https://apptail.io/app/proportionsof-bCul/lithuania) - [Malaysia](https://apptail.io/app/proportionsof-bCul/malaysia) - [Nigeria](https://apptail.io/app/proportionsof-bCul/nigeria) - [Netherlands](https://apptail.io/app/proportionsof-bCul/netherlands) - [Norway](https://apptail.io/app/proportionsof-bCul/norway) - [New Zealand](https://apptail.io/app/proportionsof-bCul/new-zealand) - [Panama](https://apptail.io/app/proportionsof-bCul/panama) - [Peru](https://apptail.io/app/proportionsof-bCul/peru) - [Philippines](https://apptail.io/app/proportionsof-bCul/philippines) - [Pakistan](https://apptail.io/app/proportionsof-bCul/pakistan) - [Poland](https://apptail.io/app/proportionsof-bCul/poland) - [Portugal](https://apptail.io/app/proportionsof-bCul/portugal) - [Romania](https://apptail.io/app/proportionsof-bCul/romania) - [Russia](https://apptail.io/app/proportionsof-bCul/russia) - [Saudi Arabia](https://apptail.io/app/proportionsof-bCul/saudi-arabia) - [Sweden](https://apptail.io/app/proportionsof-bCul/sweden) - [Singapore](https://apptail.io/app/proportionsof-bCul/singapore) - [Thailand](https://apptail.io/app/proportionsof-bCul/thailand) - [Türkiye](https://apptail.io/app/proportionsof-bCul/turkey) - [Taiwan](https://apptail.io/app/proportionsof-bCul/taiwan) - [Ukraine](https://apptail.io/app/proportionsof-bCul/ukraine) - [United States](https://apptail.io/app/proportionsof-bCul/united-states) - [Vietnam](https://apptail.io/app/proportionsof-bCul/vietnam) - [United Arab Emirates](https://apptail.io/app/proportionsof-bCul/united-arab-emirates) - [South Africa](https://apptail.io/app/proportionsof-bCul/south-africa) - [Argentina](https://apptail.io/app/proportionsof-bCul/argentina) - [Austria](https://apptail.io/app/proportionsof-bCul/austria) - [Australia](https://apptail.io/app/proportionsof-bCul/australia) --- ## 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://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=footer) *Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*