Hi @Mitesh Shah,
I don't have any prior experience with unsupported apps myself. However, I would say that an app being unsupported shouldn't necessarily deter you from using it. If an app is unsupported, it simply means Atlassian's official support team can't answer any technical questions about it. This means if you do run into any problems, you'll need to direct your questions to the app vendor instead.
It happens all the time: when planning project activities managers and team leaders tend to give more attention to the billable efforts, those ones the customers will pay for. But we all know...
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