Side by side
Columns vs OpenTasks
Both stand on to-do list apps. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APIWeb
Columns offers a structured list workspace with free listed plans and clear card, member, and board limits. Review its API-use rule and the stated live-data encryption policy when evaluating it for shared work.
Visit Columns Free plan Android
OpenTasks provides a free Android task manager built around the VTODO model, with recurring tasks, reminders, subtasks, and categorization. Its lack of built-in synchronization and calendar support means connected workflows require other applications.
Visit OpenTasksThe facts
| Columns | OpenTasks | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API, Web | Android |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 2 | 2 |
| Maker | Not published | OpenTasks |
| Website | columns.app | opentasks.app |
| On to-do list apps | #108 of 150 | #104 of 150 |
Columns: what it does well
- Free Basic and Professional listings
- Unlimited Personal workspace cards
- Supports shared and private boards
- Web and API availability
- Deleted data purged within 30 days
What to know first
- Basic Team workspace limited to 150 cards
- Basic allows four team members
- Live database data is not encrypted
- Excessive API requests may suspend access
OpenTasks: what it does well
- Free Android task management
- Supports recurring tasks and reminders
- Includes subtasks and task categorization
- Apache 2.0 licensed
- CalDAV synchronization through other apps
What to know first
- No built-in task synchronization
- No current calendar support
- Privacy policy says “To be done”
- Android only
Alternatives to Columns Alternatives to OpenTasks The whole list