# Coinker > Educational number building puzzle game for kids and adults. (iPhone/iPad app by Brent Yokota.) - Source: https://appshunter.io/ios/app/coinker/id489457286 (this page in markdown: same URL + `.md`) - Developer: [Brent Yokota](https://appshunter.io/developer/455194724) - Category: Education, Games, Family - Price: Free - Rating: 4.00/5 from 3 App Store ratings · 3 written reviews indexed - Age rating: 4+ - Requires: iOS 6.1 · 6 MB - Languages: American English - Released: 2012-04-19 - Data updated: 2026-06-10 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/coinker/id489457286/reviews.md ## What is Coinker? Coinker is a captivating number building puzzle game... fun for kids and adults, and great for home or in the classroom. Break open the bank, add up your coins, and take your piggy to the market! FEATURES • Number building • 4 little piggies to feed • Tasty levels that expand as you achieve • Support for iPad, iPhone and iPod Touch HOW TO PLAY Choose a pig and pick a meal. Then add up your coins to buy food from the market and watch your pig grow. You have from sunrise until the moon goes down to feed your pig and earn your ribbon. Use as many coins as possible to make each number and score bigger! Make your BIG PIG BONUS count! Mathematics Education Research "It should not be surprising that current research has established a substantial relationship between the use of manipulative materials and students' achievement in the mathematics classroom. Learning theorists have suggested for some time that children's' concepts evolve through direct interaction with the environment, and materials provide a vehicle through which this can happen." -- Thomas R. Post ***** "Simple and cute app for kids and adults who like number games and puzzles." ***** "This is a great app. The kids love playing it and the best part is they are strengthening their math skills. Great app, a must for parents with young children." ## Key features - Number building gameplay - Interactive piggy feeding - Progressive level expansion - Coin collection and scoring - Support for iPhone and iPad ## Recent user reviews (3 of 3) All indexed reviews: https://appshunter.io/ios/app/coinker/id489457286/reviews.md ### 5/5 — Needs to be updated *2022-01-08, version 4* This game rocks! Hasn’t been updated for a long time the developer brent yokota should update this game. ### 5/5 — Love it!! *2012-05-11, version 1.1* What a great app. Fun, creative and keeps your mind thinking. Great for the kids. ### 5/5 — Great app! *2012-05-03, version 1.1* This is a great app. The kids love playing it and the best part is they are strengthening their math skills. Great app, a must for parents with young children. ## Frequently asked questions about Coinker ### What is Coinker? Coinker is a number-building puzzle game that makes learning math engaging for both children and adults. Players collect coins to purchase food for their virtual piggy, helping it grow through various levels. ### What are the main features of Coinker? Key features include number building gameplay, interactive piggy feeding mechanics, progressively expanding levels, coin collection for scoring, and support for iPhone and iPad devices. ### Is Coinker suitable for young children? Yes, Coinker is rated for ages 4+ and is designed to be fun for kids and adults alike. It helps children strengthen their math skills in an enjoyable way. ### What devices does Coinker support? Coinker is available for iPhone, iPad, and iPod Touch, making it accessible on a range of Apple mobile devices. ### How does Coinker help with math education? The game encourages players to add up coins and make numbers, directly engaging with mathematical concepts. Research suggests that interactive materials like those in Coinker can significantly improve student achievement in mathematics. ### What is the learning methodology behind Coinker? Coinker aligns with learning theories that suggest children's concepts evolve through direct interaction with materials. The game provides a playful vehicle for this interaction, focusing on number building and arithmetic. ### How often is Coinker updated? The latest version of Coinker is 4, and it was last updated on October 19, 2015. While not frequently updated recently, it remains a stable educational game. ### Does Coinker have ads? The provided data does not specify whether Coinker contains advertisements. However, it is listed as a free application. ## Version history (last 5 releases) ### 4 — 2015-10-19 This app has been updated by Apple to display the Apple Watch app icon. Bug fixes Now supporting iPad, iPhone and iPod Touch! TIP: Use as many coins as possible to make each number and score bigger! ### 3 — 2015-09-15 FREE for a limited time! Now supporting iPad, iPhone and iPod Touch! If you like it, tell your teachers and use it in the classroom. Thanks for your support! =) TIP: Use as many coins as possible to make each number and score bigger! ### 2 — 2013-07-17 iOS 6 and iPhone 5 support. Improved scoring. ### 1.1 — 2012-04-28 • Updated Game Center leaderboards. • Keep track of your best scores. ### 1.0 — 2012-04-19 No release notes. ## Apps similar to Coinker | App | Rating | Price | Category | | --- | --- | --- | --- | | [Nico & Nor Berry Garden](https://appshunter.io/ios/app/nico-and-nor-berry-garden/id1604645696) | 5.0 (4) | Free | Education | | [Kingsburg High School](https://appshunter.io/ios/app/kingsburg-high-school/id1633504987) | 4.3 (3) | Free | Education | | [Take Your Money](https://appshunter.io/ios/app/take-your-money/id995154437) | 4.1 (52) | $3.99 | Education | | [WholeReader, Immersive Reading](https://appshunter.io/ios/app/wholereader-immersive-reading/id1274106744) | 4.7 (3) | Free | Education | | [Telling Time Academy](https://appshunter.io/ios/app/telling-time-academy/id1599259530) | 4.2 (17) | Free | Education | | [ClockWise, learn read a clock!](https://appshunter.io/ios/app/clockwise-learn-read-a-clock/id1383339035) | 4.2 (30) | Free | Education | ## More apps by Brent Yokota - [Flippin Math Facts - addition, subtraction, multiplication and division flash cards and timed tests](https://appshunter.io/ios/app/flippin-math-facts-addition-subtraction-multiplication-and-division-flash-cards-and-timed-tests/id455194721) All apps by Brent Yokota: https://appshunter.io/developer/455194724 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*