SingularityApp has what you might be missing in Todoist: here, even in SingularityApp free version, you are able to create as many projects, tasks and tags as you need, and make them multi-level: nest subprojects in projects, subtasks in tasks, and subtags in tags
Set up Import
- Choose: File from the SingularityApp system menu.
- Choose: Import.
Choose: Import from Todoist.
Click on the link to get the token.
If you are logged in to Todoist, watch step 6. If not, so log in.
Copy the token.
Go back to step 4 and enter the token.