I use Smartsheets and MS Project. Smartsheets is awesome and cheap to begin with. But if you ever need to "Publish" your smartsheet (Project plan), you will need to upgrade your plan which is about $900+/year. If you publish your plan, you can integrate this plan for others to view without a license.

Alternatively, you can use the Project Desktop. Under "Save As", you can select to sync your project with SharePoint site. This will create a project task list and a shortcut to you plan. You can also integrate this with Teams if you like.