When comparing Ultimate To-Do List vs SynapBook, the Slant community recommends SynapBook for most people. In the question“What are the best to-do list apps for Android?” SynapBook is ranked 16th while Ultimate To-Do List is ranked 42nd. The most important reason people chose SynapBook is:
Using the tree structure, you can structure the content.
Specs
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Pros
Pro Syncs with Toodledo and/or Google tasks
After set-up, it will automatially sync with your Google Tasks or Toodledo accounts.
Pro Good, configurable widget
The widget is customizable and lets you edit or mark tasks as completed.
Pro Functionality rich
Pro Memo can be structured in tree form
Using the tree structure, you can structure the content.
Pro Nice sticky memo UI
It can support pop-up notes which can be used like simple Windows Sticky memo app.
Pro Both search-based Memo and organizing tree Note
Search-based notes and tree-oriented tree notes are supported separately, so can be used conveniently depending on the purpose.
Pro Offline mode support
Basically, it is based on server synchronization, but it can be used offline.
Pro Folding
Groups can be folded.
Pro Various text styles and decorations
General styles (bold, font size), highlighter and separator line, and more.
Pro Frequent updates
Bug fixes and additional new features rolled out frequently.
Pro Free
Cons
Con Interface can get a bit noisy
With the amount of information the app presents it can get a bit difficult to easily overview tasks.
Con Remider and snooze options are not user acceptable
Con Does not support iOS
This app only supports Android and desktop OS, but not iOS.