TaxOnApp is a mobile application developed by Zambia Revenue Authority (ZRA) to improve tax compliance and increase efficiency in tax administration. Taxpayers can register for Taxpayer Identification Number, file returns, and make payments for taxes and duties. The app also offers a motor vehicle calculator to estimate duties and taxes and an integrated border declaration form. Additionally, users can access educational videos and articles related to tax compliance. The app is available for free on the Android platform.

The app offers a comprehensive solution for taxpayers to manage their taxes efficiently. The registration process is simple and allows users to register for different types of taxes. The app's filing feature enables users to file nil and non-nil returns for turnover tax, nil returns for excise, and nil provisional tax returns. The payment feature allows users to easily pay taxes and duties.

The motor vehicle calculator is a useful feature that enables taxpayers to get estimates of duties and taxes for their vehicles. The integrated border declaration form feature allows users to declare goods at the border and clear them easily. The app's query functionality enables users to ask questions and get quick responses from the ZRA.

Overall, TaxOnApp is an excellent mobile application that simplifies the tax compliance process and increases efficiency. The app's features are user-friendly and comprehensive, making it an ideal tool for taxpayers.