When comparing Casual vs TodoMVC, the Slant community recommends Casual for most people. In the question“What are the best cross-platform task apps?” Casual is ranked 67th while TodoMVC is ranked 79th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Tracks task dependencies using a graph
Pro Great to-do templates
Every to-do list & project can be saved as an amazing template that you can re-use in the future.
Pro Offers a high-level overview of projects
The workflow with dependencies shows where the things are at a glance. No more frustrations of how your project is going and who is doing what.
Pro Sync deadlines to Google Calendar
To-do items can be integrated with your day-to-day schedule using Google Calendar.
Pro Visual way of organizing your work
The workflow includes dependencies and shows you where things are at a glance.
Pro Highly customisable
Because you have access to the source code and the app is written in JavaScript, it’s incredibly customizable for those with coding knowledge.
Pro Shows best practice coding examples in many frameworks
The website includes a number of sample executions in a wide range of frameworks.
Pro Open source
Open source software creates the opportunity for user customizations.
Cons

Con Price
At its cheapest level, Casual is $9 per month for two users and two GB of storage. The trial period is short and there is no free version.
Con Requires technical knowledge of JavaScript
If you really want to get the most out of this, you’ll need to have a pretty solid foundation in JavaScript.
Con No cloud sync out of the box
There is no cloud functionality.
