When comparing On{x} vs Automate, the Slant community recommends Automate for most people. In the question“What are the best Android apps for making your phone automatically perform certain actions based on set criteria?” Automate is ranked 4th while On{x} is ranked 10th. The most important reason people chose Automate is:
The free version of this app allows 30 concurrent 'blocks' to be run. No other limitations on functionality are set.
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Pros
Pro Access to scripts
On{x} users have access to a whole database of specialized scripts that can be edited or used as they are.
Pro Program remotely
Instead of having to edit code directly from your phone, code is edited through Microsoft's onx.ms website.
Pro Detects speed and acts accordingly
This app tracks users by GPS and knows if they are sitting still, walking, running, or driving. This functionality can be used to trigger actions when a certain pace is achieved, such as "Play music when I start running."
The GPS integration can also be useful for triggering actions when a user leaves or arrives at a location. Popular recipes that use the GPS function are "Remind me to work out if I haven't been to the gym in 3 days" or "Text my boyfriend when I leave work".
Pro Free version
The free version of this app allows 30 concurrent 'blocks' to be run. No other limitations on functionality are set.
Pro Uses flowcharts
Flowcharts offer both a nice way of visualizing the logic and an intuitive way of creating it by dragging and connecting the boxes.
Pro Includes more than 250 blocks
Pro Supports Tasker and Locale plugins
Pro A bit simpler than Tasker
Pro Profiles can be exported as launcher home screen icons
Built into the features of the app, users can create profiles to then export them as a launcher app to easily be launched from ones home screen. Sadly though there is no way to add these to ones app drawer.
Cons
Con Project seems to be dead
There are several forum posts on their website inquiring if the project is still being developed, and there do not appear to be any responses from developers. To add to this, the last update for this app was in February of 2014
Con Forced Facebook login
Although all the recipes can be seen and used without Facebook login, many users find Facebook integration unnecessary.
Con Bad for battery life
The GPS tracking is horrible for battery life, but other variables might make this con bearable.
Con Bare
While this app is incredibly useful, not much emphasis is put on making the UI pretty. This in no way effects the functionality of the app, but some users might find the basic interface unappealing.
Con Can't create custom scenes
Automate can't create actionable graphic overlays and dialogs.