Security Checksum at App Store analyse

App power index: 170 (based on ranks around App Stores today)
Finance Education
Developer: Jimmy Samaha
Price: 0 free
Current version: 1.0, last update: 7 years ago
First release : 07 Jan 2016
App size: 2.07 Mb
4.8 ( 7808 ratings )
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Estimation application downloads and cost

> 3.74k
Monthly downloads
~ $ 1.53k
Estimation App Cost


Security Checksum is a technical financial application, designed for the iPhone as a proof of concept, to shed some light on the fundamentals of the most commonly used security identifiers while emphasizing check digit generation. The application makes use of Luhns (modulus 10) Algorithm to generate/validate the check digit on key security identifiers.

The algorithm was developed by IBM German computer scientist Hans Peter Luhn in 1954 (U.S. patent granted in 1960). It consists of a simple checksum formula used to validate a variety of identification numbers and protect against accidental errors. The algorithm is in the public domain and in wide use today by credit cards and government identification numbers as a simple method of distinguishing valid from mistyped or otherwise incorrect numbers. It is capable of detecting any single-digit error, in addition to most, if not all, transpositions of adjacent digits.

The application provides a brief overview on the industrys most common security identifiers (i.e. ISIN, CUSIP, and SEDOL), and prompts the user to either submit a complete security ID in which case the check digit is validated, or submit an incomplete security ID for which a valid check digit is generated. The application also makes the connection between CUSIPs and SEDOLs on one hand, and ISINs on the other hand, backing out one from the other when possible.
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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
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,