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App power index: 100 (based on ranks around App Stores today)
Games Puzzle
Developer: Susan Chen
Price: 0 free
Current version: 5.0, last update: 6 years ago
First release : 01 May 2010
App size: 1.23 Mb
4.6 ( 9216 ratings )
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Estimation application downloads and cost

> 2.2k
Monthly downloads
~ $ 900
Estimation App Cost


The goal of these games is to unlock devices.

Each device in the Combination game has 4 digits on the outside surrounding a target digit in the center. The player must rotate the 9 devices so that the top number of each device matches the target in the center.

Each of the 9 devices in the Reunion game has four identical digits. For instance, the first device has four 1s and the second has four 2s. The last has four 9s. At the beginning of the game, all of the digits are shuffled and the player must rotate and swap the digits until all of the digits have been returned to their original positions.

In the Invisible game, the player will rotate and swap different shapes among nine devices. Identical objects will disappear during the swaps. To unlock the devices, the player must make all but four shapes disappear.
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Available in countries
Country Price
Canada 2.79 CAD
China 12 CNY
France 2.29 EUR
Germany 2.29 EUR
Italy 2.29 EUR
Netherlands 2.29 EUR
Portugal 2.29 EUR
Spain 2.29 EUR
Poland 2.29 EUR
UK 1.99 GBP
India 159 INR
Japan 250 JPY
Korea, Republic Of 999.99 KRW
Poland 8.99 PLN
Russia 149 RUB
Turkey 12.99 TRY
USA 1.99 USD
Korea, Republic Of 2.19 USD
Available for devices
iPhone4, iPad2Wifi, iPad23G, iPhone4S, iPadThirdGen, iPadThirdGen4G, iPhone5, iPodTouchFifthGen, iPadFourthGen, iPadFourthGen4G, iPadMini, iPadMini4G, iPhone5c, iPhone5s, iPadAir, iPadAirCellular, iPadMiniRetina, iPadMiniRetinaCellular, iPhone6, iPhone6Plus, iPadAir2, iPadAir2Cellular, iPadMini3, iPadMini3Cellular, iPodTouchSixthGen, iPhone6s, iPhone6sPlus, iPadMini4, iPadMini4Cellular, iPadPro, iPadProCellular, iPadPro97, iPadPro97Cellular, iPhoneSE, iPhone7, iPhone7Plus, iPad611, iPad612, iPad71, iPad72, iPad73, iPad74, iPhone8, iPhone8Plus, iPhoneX,