When comparing Habitica vs Taskwarrior, the Slant community recommends Taskwarrior for most people. In the question“What are the best cross-platform task apps?” Taskwarrior is ranked 2nd while Habitica is ranked 25th. The most important reason people chose Taskwarrior is:
The command line interface puts powerful filtering expressions, context, annotations, tags, due dates, reoccurrence, and user-defined-attributes totally in your hands. It’s fast and low friction.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Can use peer pressure to motivate
The app allows creating a party with other people and go on a quest together. Here, your actions affect not just you, but everyone else in the party as well. If you fail a task, the party loses health, if you complete a task, the party gains experience, etc.
Pro Gamifies the process to motivate
The app takes cues from role playing games by having a system that rewards certain behavior with experience points, levels, and gear upgrades. It also allows you to set custom rewards that you come up with yourself such as watching an episode of your favorite TV show.

Pro Command line interface
The command line interface puts powerful filtering expressions, context, annotations, tags, due dates, reoccurrence, and user-defined-attributes totally in your hands. It’s fast and low friction.
Pro Extensible
Taskwarrior has many front-ends, services, extensions, hook scripts, and capsules available. Taskwarrior keeps a list of contributed tools on their site.
Pro Lightweight and fast
Taskwarrior is written in the speedy C++ language.
Pro Tasks stored in plain text files locally
Future-proof and easily integrated with version control system. You never lose access to your data.

Pro Sync across devices
When used in conjunction with the Taskserver, it can sync tasks (conflict-free) across your Taskwarrior devices. This includes integration with Mirakel.

Pro Supported internationally
It has UTF8 support and is translated into many languages.
Pro Customizability
Taskworrior allows you to define custom attributes and reports to your needs.
Pro Self-hosted Taskserver
You can be in full control of your data.
Cons
Con Occasional bugs and laggyness
The app is still in beta and has the occasional bug to work out.
Con Can cause needless stress
As with most gamified systems it includes punishments for failures. Fear of failure can cause stress and failures can demotivate.
Con Command line interface
A command line interface is a arguably overly verbose, consequently tedious, way to interact with a To Do list.
