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4ga Boards vs Kantree: catalog facts
4ga Boards	Kantree
Freemium Free and open source to self-host under the MIT licence; paid professional hosting is…	Paid Paid plans with a free trial that needs no credit card.
Web, Self-hosted	Android, iOS, Web, Self-hosted
Real-time updates and multitasking on cards Multi-level hierarchy down to tasks within cards	Self-hosted version alongside the cloud service Highly customizable boards for agile or traditional methods
GitHub two-way sync is not available yet Hosted option is paid	Customization takes time to set up Pricing details not shown on the homepage
Self-hosted, Hosted service	Downloadable app, Self-hosted, Hosted service
Open source	Closed source
License: MIT	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.