JStock is described as 'Makes it easy to track your stock investment. It provides well organized stock market information, to help you decide your best investment strategy' and is a Stock Trading app in the business & commerce category. There are more than 25 alternatives to JStock for a variety of platforms, including Windows, Mac, Web-based, Linux and Android apps. The best JStock alternative is Wealthfolio, which is both free and Open Source. Other great apps like JStock are FinRiskAI, MyFinanceTools, Ghostfolio and Portfolio Performance.
This is a trading platform. JStock is not.