When comparing Google Keep vs TickTick, the Slant community recommends TickTick for most people. In the question“What are the best cross-platform task apps?” TickTick is ranked 6th while Google Keep is ranked 16th. The most important reason people chose TickTick is:
On each task you can choose between a text description or a checklist.
Specs
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Pros
Pro Easy to use
1-step to take a note on Android: tap 'take a note'.
Web version: cursor is on the note itself.
Pro Super fast to use
The focus on a minimal interface makes everything fast to use on both web and mobile. This comes in handy for when a note needs to be jotted down quickly, as there is little to no load times or faffing about trying to get to a space where the note can finally be recorded.
Pro Unlimited and seamless sync across all Google connected devices, from mobile to desktop
When a mobile device isn't in use, Google Keep can be accessed as a Chrome app or as a website. Basically, no matter the device being used or the OS on it, there is always a way to access the app. There is also no limitation to how many devices this can be done with, freeing up the user to always have access.
Pro Automatic saving
Automatically saves new changes so that nothing is lost.
Pro Useful Android home screen widget
The Keep widget lets users quickly see existing notes and add new ones.
Pro Notes can be grouped via labels
In addition to the ability to color-code notes, they can be labeled and navigated and grouped that way. This allows for easy organization, to then be found easily at a later date.
Pro Notes can be color-coded
Pro Cross platform
This app can be used seamlessly across all platforms including Android, iOS, and desktop computer platforms.
Pro Works as a great bookmarking tool as links added can optionally include a preview image
Keep has a great feature that allows you to save sites you visit as a special note type with a link and a preview image.
Pro Can share and collaboratively edit any item including lists
Keep allows sharing any item with other contacts and editing them together at the same time. This way a team can work together in real time, no matter their location.
Pro Really well implemented speech-to-text
Google has a lot of experience with speech-to-text functionality and they did a fantastic job with Keep. This means you can easily record spoken notes that can then be changed to a text based note.
Pro Notes can include photo and audio attachments
Notes can include multimedia attachments in addition to text.
Pro Supports drawing or writing notes by hand
Newer version of Google Keep now supports drawing on either a blank page, existing notes or in an image attached to the note.
Pro Both location- and time-based reminders
You can set reminders that bring certain notes to your attention when you arrive at a specified location or when it’s a specified time or date. Unfortunately you can only do one or the other for each note.
Pro Includes character recognition for text in images
Google Keep lets users take pictures of physical notes and makes the contents searchable within the app. This can be a convenient time saver for those that do not want to type out the necessary info, but rather take a quick snapshot of it.
Pro Drag and drop sorting
You can move cards manually, which is great for prioritizing to-dos. Within a card, you can also drag and drop items.
Pro Archives finished tasks
Any finished task is archived and can be searched at a later date.

Pro Create checklist for a task
On each task you can choose between a text description or a checklist.
Pro Cross-platform
It’s accessible on the web, via a Chrome extension, on Android (phone/tablet, with widgets), and on iOS.

Pro Flexible recurring tasks
Recurring tasks are simple to set, and can be created according to custom rules.
Pro Customizeable Android widget
You can change the opacity, themes, lists, and cosmetic features of the widget.
Pro Smart date parsing
You can type "buy milk tomorrow 5pm" it will turn into a task as "buy milk" and reminder set as tomorrow 5pm automatically.
Pro Multiple reminders
You can add up to five reminders for different time to a single task.
Pro Smart List
Allows you to set custom filters, making it easier to find tasks.
Pro Multiple reminders
Supports up to 5 reminders per task.
Pro Advanced sorting options
Tasks can be sorted by dragging and dropping them in the list.
Pro Google Calendar integration
You can integrate TickTick with Google Calendar.
Pro Lightweight app
TickTick is resource-light, which is great if you run multiple programs or are using an older device.
Pro Clean UI
TickTick takes a minimalistic approach in order to keep things simple.
Pro Easy to add tasks
Just start typing to add a task.
Pro Has a calendar view
Pro version of the software allows tasks to be laid out in an easy to overview calendar view.

Pro Supports #hashtags (labels)
Just click a hashtag to filter your labeled tasks.
Pro Description and checklist all together
Paid users can add description and checklist into a single task all together.
Pro Set list color
You can set a different color for each list.
Pro Free task tagging
Tags are a native feature; up to five tags can be applied to each task.
Pro Great support to recurring tasks
Easy to set recurring tasks and a lot of possibilities to do that.

Pro Share task lists for collaboration
You can share a list through an email or a shareable link.
Pro Location reminder
Remind you of a task when you reach specific location.
Pro Can set duration of a task
You can set starting and ending date and time for tasks.
Pro Follows Android design guidelines
The mobile Android app of TickTick follows the Android design guidelines for a familiar interface.
Pro Keyboard shortcuts
TickTick supports keyboard shortcuts that makes it easier to work with.
Pro Custom themes for pro users
Paid users can enjoy pro themes.
Pro Recover from trash
Easy to see and recover tasks from trash if you deleted them by accident.
Pro Print tasks
Easy to print any task you want to.
Pro Siri integration
You can add tasks via Siri.
Pro Folder with concluded tasks
Easy to see all concluded tasks by date of conclusion.
Pro Support team is great
Support team responds quickly.
Pro Integration with calendars by URL
Shows your events on other calendars (like Outlook) in your task list.
Cons
Con Google can access and mine your data
You have to be okay with Google analyzing and using your data in order to use Keep.
Con Messy if you have lots of notes
It can be difficult to organize notes because you can only create labels and not, for example, separate projects.
Con Organization is limited to just multiple tags for notes
There are no folders in Keep that you can move notes into. It makes the user interface more cluttered, and navigation gets more difficult.
Con Can be taken down some day
As Google is notorious for taking down services, you may end up with just a backup of your notes in XML format and a need to look for a substitute.
Con No ability to undo changes
There is no way to revert changes or restore text you may have accidentally deleted (however, you can restore entire notes for up to 7 days after deletion).
Con Synchronization bugs
There are some issues with synchronizing data including laggyness and returning old/deleted items.

Con No text formatting
No basic formatting like bold, italics. Makes it harder to do things like meeting notes. Keep is intended as a minimal and quick note taking app, but sadly for those that are looking for something more robust, the features are just not there.
Con Scrolling through notes is horrible
There are no options to decrease the surface area of the notes to make it easier to get an overview. Compare this to something like the Apple Notes or Evernote UI, for example. You can't organize nor have a glance of what you have.

Con Not free/libre
This application is proprietary, and thus cannot be modified or freely distributed.
Con Can be difficult to discover the features
Google Keep has slowly been introducing new features, but doesn't do a good job of helping you discover them.
Con Google account required
You're required to have a Google account in order to use the app.
Con Does not offer themes
There is no option for changing the color theme (such as a dark theme) unless you use a 3rd party extension.
Con Does not integrate with Google Calendar or Tasks
It does not integrate with Google Calendar or other Google Apps with the exception of "Google Now." Keep reminders can appear on Google Calendar, but you can not get reminders and use Tasks at the same time.

Con Too simplistic of an approach
Con No integrated social media sharing
There is no integrated social media sharing if you directly want to post your note to Twitter, Facebook, etc.
Con Not good at all for longer notes
With almost no formatting options whatsoever it's hard to actually use Keep for long-form notes.
Con Sharing within team doesn't work that well
You can share separate notes but not Projects, Wordspace, or Teams.
Con Not distributed
Cannot run on own servers as Keep will only run on Google's own servers. This increases the risks which are normally associated with handing over critical applications to a large (US) corporation.
Con No notifications when tasks are added to shared lists
Although the ability to collaborate on lists is advanced, Keep will not let you know when another person adds an item to a list you share.
Con No API
Con There is a label limit up to 50
Con No dedicated app for windows, linux, mac (except unofficial)
Con Cannot share groups of notes (e.g., labels)
Google's equivalent of groups are labels, which can't be shared. By comparison, Trello allows you to share boards with others. Trello also supports grouping through teams. Google Keep has no such concept.
Con Slow to save the updates
Saving is delayed by a moment and the saving status UI is unclear. You can lose updates if you close the tab too quickly.
Con Delay between to-do entries
The keyboard closes and reloads between to-do list entries, so the first letters or words may be missed if you’re trying to quickly create a list.
Con Notes get lost/deleted and can NOT be recovered
Since nothing is stored locally on the phone, everything can go missing. Google can't recover any of it.
Con No BlackBerry 10 app
No BlackBerry support apart from web.
Con No Windows Mobile app
No Windows Mobile app, and it is unlikely to ever be produced.
Con No native integrations with IFTTT or Zapier
The app doesn't feature native integration with these services, but you can use this functionality by fiddling with the custom email address that is provided by TickTick.
Con unable to sync with gtasks, only imports
Con Intelligent date and time entries don't work everywhere
In some apps, you can type "call Ben tomorrow at noon" and the date and time fields will be automatically populated with "tomorrow" and "noon". TickTick has recently implemented this feature, but it doesn't work flawlessly via the webapp or via a widget. The functionality does work good within the Android app, however.
Con Free version is limited
TickTick's free version is limited to 19 task lists, 1 attachment per day, and 1 collaborator.
Con Abo model is too expensive
Con Translation to Portuguese is not professional
For Portuguese speakers, the Portuguese translation seems very amateurish.
Con No search of non-latin languages in web
The web version has no ability to search non-latin languages (e.g. Russian, Greek).
Con Interface is not clear
It has too much information, causing some confusion sometimes.
