Calculator! Voice & Effect at App Store analyse

App power index: 137 (based on ranks around App Stores today)
Utilities Productivity
Developer: Eric Peng
Price: 0 free
Current version: 1.9.11, last update: 4 years ago
First release : 09 Jun 2011
App size: 27.36 Mb
4.4 ( 8384 ratings )
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Estimation application downloads and cost

> 3.01k
Monthly downloads
~ $ 1.23k
Estimation App Cost


The second most interesting calculator in the world!!

√ Alien, Piano, Animals, Robot, Chinese, English. Up to 39 amazing audio effect.
√ Touch and edit.
√ Great math practices.
√ Most user friendly Calculator.
√ Tip Calculator.
√ Scientific Calculator.
√ Statistic Calculator.

Check other amazing features:


- add (+)、minus (-)、multiply (*)、divide (/).
- square root (sqrt).

- trigonometric functions: sin、cos、tan, sin^-1、cos^-1、tan^-1.
- hyperbolic functions: sinh、cosh、tanh、sinh^-1、cosh^-1、tanh^-1.
- advanced factorial function supports real number: n!.
- log、ln、log2、x^2、x^3、x^-1、10^x、2^x、e^x、x^y、yroot.

- (、).




==== Special Bonus on iPhone/iPod Touch =====

- Tip rate, Split, Tax, Group.

=========iPad SPECIAL Feature ==========


- Multiplication
* 1~9, 1~20 Table
* Practices

- Addition practice
* Max 10
* 1~9
* 1~20
* 1~99

- Statics function
* Data array: sort, sum, mean, standard deviation, variance.
* Possion
* NegativeBinomial
* Binomial.
* Hypergeometric

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# Term Store county Place Priority
1 rekenmachine Netherlands 8 ⭐️⭐️⭐️⭐️⭐️
Available in countries
Country Price
Canada 6.99 CAD
China 30 CNY
France 5.49 EUR
Germany 5.49 EUR
Italy 5.49 EUR
Netherlands 5.49 EUR
Portugal 5.49 EUR
Spain 5.49 EUR
Poland 2.29 EUR
UK 4.99 GBP
India 399 INR
Japan 610 JPY
Korea, Republic Of 999.99 KRW
Poland 23.99 PLN
Russia 379 RUB
Turkey 34.99 TRY
USA 4.99 USD
Korea, Republic Of 2.19 USD
Ukraine 4.99 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,