When comparing Amplitude vs Keen.io, the Slant community recommends Amplitude for most people. In the question“What are the best analytics tools for a SaaS web applications?” Amplitude is ranked 4th while Keen.io is ranked 13th. The most important reason people chose Amplitude is:
Any output data you can get in a dashboard, you can also get as JSON through their export API.
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Pros
Pro Get JSON data with export API
Any output data you can get in a dashboard, you can also get as JSON through their export API.
Pro Generous free plan
The free plan allows you to log 10 million events per month. There are also 2 paid plans - Business and Enterprise. Business costs $995 and allows for up to 100M events per month while Enterprise has the price is negotiated on a case by case basis and supports an unlimited number of events.
Pro Event Flows visualize popular user paths
Event Flows, an Enterprise level feature, shows a branching user-action path from or towards a certain page/action.
For example, it could show most popular actions performed after landing on a product page or the most popular path towards clicking the buy button.
Compared to funnels, that allow you to track if users follows a predetermined path and where they drop off, Event Flows show what users choose to do instead. And while it's possible to create a funnel for each branching path, that involves a lot of time and some guesswork which is not present in Event Flows.
Additionally, it's possible to integrate Amplitude with Mode to create a User Paths report. It's similar to the Event Flow, but visualized differently.
Pro SDK is open source and transparent
For apps that need high security auditing, or just if you want to know what code you're including, the SDK is open source with code available on GitHub.
Pro Gives you raw SQL access to your data
Enterprise customers can get direct access to Amazon Redshift's PostgreSQL Database. This offers multiple benefits - it allows for queries that are not supported by the dashboard, gives portability and ownership and allows using that data to build realt-time services based on that data.
Pro Great for custom, complex, large-scale analytics solutions
Keen is designed for developer to be able to build custom, complex, large-scale analytics solutions.
Pro Offers a good free plan
The free plan allows for 50,000 events.
Pro Allows gathering and visualizing data for your users
Pro Good documentation
Pro Can be easily integrated into existing projects
Cons
Con No installation tracking out of the box
It's possible to enable installation tracking by using a third-party service like Adjust and routing their data to Amplitude.
Con Development knowledge is not optional
There's no drag and drop interface, setting up analytics requires a developer.
