Rot13 Cipher at App Store analyse

App power index: 100 (based on ranks around App Stores today)
Utilities Entertainment
Developer: Nicholas Munarriz
Price: 0 free
Current version: 1.1, last update: 6 years ago
First release : 05 Jun 2017
App size: 18.39 Mb
4.0 ( 7040 ratings )
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Estimation application downloads and cost

> 2.2k
Monthly downloads
~ $ 900
Estimation App Cost


The Rot 13 Cipher is a cool way to encode and decode messages quickly on the iPhone. You can type a message into the app to encode it and then somebody else with the same app can type the encoded message into their app to decode it. This is also a useful way to hide spoilers. Since encoded messages look like random letters, the only way to read an encoded message is to go out of your way to decode it first.

The cipher works by exchanging every letter to the letter that comes 13 after it (wrapping around if need be). Because there are exactly 26 letters in the alphabet, performing this twice leaves you with the letter you started with. This is why the same cipher can be used to both encode and decode the messages!

A - N
B - O
C - P
D - Q
E - R
F - S
G - T
H - U
I - V
J - W
K - X
L - Y
M - Z
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Available in countries
Country Price
Canada free
China free
France free
Germany free
Italy free
Netherlands free
Portugal free
Spain free
UK free
India free
Japan free
Korea, Republic Of free
Poland free
Russia free
Turkey free
USA free
Korea, Republic Of free
Ukraine free
Available for devices
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,