PocketAccount is a local-first personal finance application that prioritizes reliability and minimal user friction. It empowers users to track daily transactions with precision, intelligently categorize expenses, and generate insightful financial reports—all while maintaining absolute data integrity. By focusing on simplicity and accuracy, PocketAccount delivers crystal-clear financial visibility with virtually no learning curve.
Name: Duan
Student number: 48744623
PocketAccount is a comprehensive personal finance solution that enables users to track income and expenses with precision. The application maintains meticulous transaction records, generates detailed financial statements, supports data portability, and offers cross-device access—giving users complete control over their financial data.
Reliability is of the essence for the PocketAccount financial data processing application, as it is imperative to ensure the accuracy of transaction records and financial calculations, as well as to prevent data loss. The application utilizes a robust storage model with integrity validation features to prevent data corruption, even in the face of thousands of operations. This ensures the integrity of financial data, which users rely on for critical financial decisions, thus mitigating severe consequences. The objective of the PocketAccount system is to ensure that data integrity is restored to the last known state, even in the event of an application crash or system failure.PocketAccount employs a robust storage model with integrity validation features to prevent data corruption.Periodic integrity checks and automatic recovery mechanisms allow the application to revert to its last verified state after an unexpected shutdown, ensuring that users can trust their financial data.
PocketAccount’s definition of maintainability encompasses several key elements, including a clear code structure, low coupling between modules, and comprehensive documentation support. This approach ensures efficient development and addresses the evolving needs of users. The system’s adaptability to updates with minimal modification costs is crucial, as it reduces future development costs and maintains the product’s relevance to users. The creation of clean interfaces between components is also essential, as it minimizes the impact of changes in one module on other modules.
In the context of PocketAccount, which facilitates the viewing and recording of financial information on demand, the implementation of the system as a local application is imperative to ensure uninterrupted functionality in the absence of an Internet connection.The core functionality of the system is to be executed offline, thereby enabling users to maintain their financial records irrespective of the status of the Internet connection.The system design encompasses the implementation of reliable local data storage mechanisms and automated data backup procedures to mitigate the risk of data loss due to accidental shutdowns or system failures. The effectiveness of PocketAccount’s design will be determined by assessing its functionality, including the time required to initiate the application, its responsiveness, and its stability across various operating system environments. This assessment will ensure that users can access and utilize their financial data promptly when required.
Reliability assessment is the process of evaluating data consistency through the implementation of automated tests that create, modify, and delete thousands of transactions. This ensures the accuracy of account balances and history even in the event of a system crash or shutdown.Financial calculations are validated against pre-calculated results in a variety of scenarios, including edge cases for currency conversions and date ranges. This ensures calculation accuracy across the application.Recovery testing involves the termination of the application during critical operations as a measure of data retention. Long-term integrity will be validated using multi-year datasets to ensure database consistency as it grows.
Maintainability will be measured using static analysis tools to assess the complexity, coupling, and repeatability of the code against our stated goals. These metrics will verify that the code base is easy to understand and modify. We will measure implementation time and code impact by implementing the addition of additional functionality and deletion of some functionality to demonstrate the adaptability of the system. The completeness of the documentation will be evaluated based on meeting the requirements of the MVP.
Availability will be assessed by measuring the application’s startup time, responsiveness and stability in different operating system environments, ensuring that users can access and use their financial data as soon as they need it.