When comparing Kantree vs Notion, the Slant community recommends Notion for most people. In the question“What are the best online Kanban tools?” Notion is ranked 4th while Kantree is ranked 9th. The most important reason people chose Notion is:
Even the right-click menus on the web are the same as the app.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Dynamic kanban view
Kanban board to drag and drop cards across columns.
Select which group type to show as columns: status, milestones, labels, teams, etc (you can create your own dimensions)
Set rules to your group (such like auto-assign card to user when dropping a card)
Pro Infinite hierarchy
Cards can have checklists. Items in the checklist are actual cards, which can be organized in their own board.
Projects is like a tree of card, with unlimited sub-level boards. Perfect to manage complex project with hierarchy. You can choose different settings and user permissions at every level.
Pro Custom card groups
Group your card in unlimited dimensions.
You can use the built-in groups (lists, labels, milestones), adapt them or create your own.
This allows you to manage a projects in other dimensions (by versions, teams, offices, categories, releases, etc).
Visualize your project in kanban and table view, by the group types of your choice.
Drag and drop cards quickly between groups.
Track progress by group types (ideal for managing iterations).
Pro Self-hosted option
Kantree can be installed on your server #privacy
Pro Card models
Use or create card model to best represent your work, for each of your project.
Dozens of types of attributes available, including text, yes/no values, map, file attachments, due date, etc
Perfect to manage projects of different kinds, with multiple card types - like ideas, sales contact, customer feedback, bug report, feature request, bill/order.
Pro Notification (email and in-app)
Pro Slack integration
Pro Github integration
Pro Charts and analytics
Pro Work in progress limits
Set soft limit to group, so that your teams don't get overloaded and lose focus
Pro Mobile
Adaptative design that is optimize for touch-based interface and adapt the UI to small screen (mobile and tablet)
Pro Table view
Manage your cards in table, by groups.
All the cards are displayed as rows, with their attributes in columns.
Group cards by any group type: milestones, status, team, label, epic, release...
Drag and drop cards across groups.
Pick the attributes to include in the table
Pro Card links
Create linked card to mirror a card in another projects / organization.
Create links with the attributes of the target card, or with its own attributes (to manage a card in multiple boards)
Create custom card relationship: blocked by, same as, etc.
Kantree also support infinite card hierarchy
Pro File attachment
Drag and drop multiple files to your cards at once.
Preview files in a gallery, by card or for the entire project
Pro Full-featured on desktop, mobile and web
Even the right-click menus on the web are the same as the app.
Pro Unlike anything else
One of the most complete applications one can use to build a personal dashboard (or professional) and migrate all other services to it. No more calendar, task, notes, financials, lists, writing and wiki apps, just Notion.
Pro Pages within pages within pages, to infinity
You can have a ridiculous amount of information within a single note. Look at how it works, you'll be surprised!
Pro Flexible contents storage and organization
You can upload files and embed online stuff in any hierarchical structure using pages, toggle lists, etc.
Pro Highly visual, with icons next to every new page and so on
This feature makes it very easy to find certain notes and such. And great for visual people as well. You could also add images as icons instead, if you like.
Pro Blocks offer incredible flexibility
The basic unit of organization in Notion is the block, which can be a chunk of text, an image, a bullet point, or even a link to another page. Each page consists of these blocks, which can be easily reorganized, moved to other pages, converted into other content types, or generally manipulated in many useful ways. Because of blocks, restructuring information in Notion is way easier than in any other wiki or notebook app.
Pro Does a great job with both notes and to-dos
To-dos in Notion aren't just dot point lists. You can drag and drop them into columns just like Trello (Kanban style), you can have sub-tasks, and you can easily mark things off as completed so they are no longer in your way. Notes are also powerful, with proper formatting and ways to manage and search for them, which makes it a great Evernote alternative.
Pro Cross platform
Works with Android, iOS, Windows, & Mac OSX.
Pro Awesome for wikis
You can easily start writing a bunch of web pages, share it with co-workers and choose whether to publicize or keep your contents private. It's also easy to hyperlink pages.
Pro Amazing view flexibility
You can create different views for a page's content and easily toggle between kanban, table, etc. (As long as the content is able to allow different views.)
Pro Quick and effective search
Just type in a word and you'll have results in no time at all.
Pro Attach files in tables
You can attach files in table cells, which is a feature missing in most spreadsheet-like applications.
Pro Great spreadsheet functionality
You can use calculation/formula, links, attachment, inter-referencing of data from other pages or tables, embed documents and images in the table cells.
Pro Renders Markdown Syntax
Add code blocks, Headers, bullet point, numbered lists, or To-Do boxes by typing using Markdown Syntax (instead of klunkily moving the mouse to formatting boxes)
Pro Less headaches when editing pages
Lets you restore your page to a past edit. Also works with sub-pages and databases. Though it is worth mentioning that it's a paid feature.
Cons
Con Its not project management...
Con Not very fast using native apps
Can take time if you're switching between lots of pages often as it needs to load the data each time
Con Not always very intuitive
Column filters are not that intuitive to apply.

Con No true backup
True backup can only exist if it's automated and easily recoverable. Else, it's just an outdated copy or useless scrambled data.
Con Designed with teams in mind, and less formatting than Evernote
Evernote may be more individual-oriented and has more formatting and such options available, but whether that affects you is down to personal preference. Try both and see which you prefer.

Con Not yet a new protocol, as it could be! (or could it?)
Think of scuttlebutt or email. the best Evernote alternative would be a "web 3.0" of sorts. Something that would be just a simple file added to a computer and automatically replicated to other computers along with a website and any company could easily pick up the concept and make their own hosting, including some awesome google drive/host of sorts.
