When comparing Facilethings vs Simpletasks Dropbox, the Slant community recommends Facilethings for most people. In the question“What are the best GTD apps?” Facilethings is ranked 2nd while Simpletasks Dropbox is ranked 19th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Helps the weekly review process
Pro Allows adding items via email
Simply send an email to info@facilethings.com to add a new item to the Inbox.
Pro Support of a "start" date and a "expected" date
This is a very outstanding feature for a gtd App.
Pro Horizons of Focus
FacileThings integrates GTD's Horizons of Focus.
Pro Allows attachments in emails
You can collect stuff in the FacileThings Inbox by sending an email with attachments to the inbox@facilethings.com address.
Pro Full Integration and Syncing with Evernote
All notes are automatically synced.
Capture things in Evernote and the notes will appear in the FacileThings inbox.
Reference Material in Evernote will appear in Facile Things.
Pro Integrates with a bunch of third-party tools
Facilethings can integrate with Evernote, Twitter, Dropbox and Google calendar.
Pro Very simple
Pro Excellent support
Pro 100% Free
Just like todo.txt cli, this is 100% free (although donations are accepted).
Pro Also comes in a cloudless an Owncloud version
For those who don't care about syncing there is a cloudless version while people who run Owncloud may opt for the Owncloud version.
Pro There is an add to calendar button
This not only tells one's calendar (and thus any devices that sync with your calendar) about the todo, but allows all synced calendars to play an audible alarm when the todo is scheduled to be finished.
Pro Seemless compatibility with todo.txt cli
Let's one sort to-dos by due date then priority
Cons
Con Android app
The Android app is not always reliable and doesn't have all of the features of the desktop app.
Con Rather slow
The web app has some performance issues. It feels too unresponsive at times.
Con A lot of clicking
Little inline editing or keyboard shortcuts.
Con Relatively costly
Con No native Windows App
Con Mobile web version is rubbish
Con Must use DropBox service
Con As far as I know this app is Android only
I believe Simpletasks is an Android only app.