When comparing Standard Notes vs Momentum, the Slant community recommends Standard Notes for most people. In the question“What are the best cross-platform task apps?” Standard Notes is ranked 8th while Momentum is ranked 34th. The most important reason people chose Standard Notes is:
Notes are encrypted and secured so only you can decrypt them.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Encrypted
Notes are encrypted and secured so only you can decrypt them.
Pro Extensible
Editors, components, actions, and themes.
Pro Open-source
Pro Simple
Faster and lighter than most notes apps.
Pro Cross-platform
Available on Web, Mac, Windows, iOS, Android, and Linux.
Pro Themes
Pro Specifically designed for GTD
Pro Automated Next Steps
Next steps have a separate view. Tasks can be updated sequentially or parallel.
Pro Projects and Tasks can be endlessly nested
You can nest multiple projects with tasks, there is no limit.
Pro Has an offline mode
No permanent internet connection needed.
Pro Cross-platform
Web-based, progressive-web-app (PWA).
Pro Realtime synch
Data instantly updates on all devices.
Pro Clean design
Lots of space helps focus on the tasks.
Cons
Con Formatting enabled only as extension for money
Con Beta interface is confusing for first-timers
The interface is very opinionated (this is a good thing). But it is not obvious how to map user's own GTD variant onto the one the author has in mind. Maybe after it is in production, there will be better on-boarding.