Lock numbers -carry numbers with safety- at App Store analyse

App power index: 174 (based on ranks around App Stores today)
Productivity Lifestyle Business
Developer: Chieko Ichikawa
Price: 0 free
Current version: 3.0, last update: 7 years ago
First release : 19 Dec 2015
App size: 15.26 Mb
4.4 ( 1024 ratings )
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Estimation application downloads and cost

> 3.83k
Monthly downloads
~ $ 1.57k
Estimation App Cost


If you want to carry private numbers in a more secure way, this app will help you surely.

[Lock with password]
You can set a password at first.
As long as the password does not match, you and other will not be able to view the datas of this app.

[Encrypt]
This app encrypts the data in AES-256 system(*1). So this app considered a security for extracting file.

[Mosaic]
This function will prevent information leakage. This app puts the mosaic to the number and expiration date of the non-selected rows.

[Simple and Big text]
This app is increased the text size, you can watch the contents without having to squint.

*1 To encrypt the data, This app takes advantage of the RECryptor of OSS. Link:https://github.com/RNCryptor/RNCryptor/blob/master/README.md
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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
Poland free
UK free
India free
Japan 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,