Database & Data Management · head to head
DataStax vs Knack
DataStax
Database & Data Management
The real-time data company for AI applications
- From
- Free
- Rated
- -
Knack
Database & Data Management
Build online databases and apps without code
- From
- On request
- Rated
- -
The short version
- Only DataStax has a free tier, so it costs nothing to try first.
- Each has a real cost: DataStax dataStax's own Astra DB documentation states the Enterprise plan is an annual, contract-based plan with negotiated pricing, meaning list prices are not published for that tier; Knack plans are priced by number of records and objects rather than users, ranging from $110 to $300 per month as data volume grows
Where they differ
Only the attributes on which DataStax and Knack actually diverge.
Identical on both: user rating (Not yet rated), category (Database & Data Management).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in DataStax
- Cassandra Compatible
- Vector Search
- Serverless
- Multi-cloud
- Streaming
- CDC
- GraphQL API
- LangChain
Only in Knack
Nothing recorded that DataStax does not also cover.
What people use each for
The jobs each tool is most often brought in to do.
DataStax
- Real-time applicationsnot Knack
- Content managementnot Knack
- User profilesnot Knack
- Mobile backendsnot Knack
- Cachingnot Knack
Knack
No use cases recorded yet. See the Knack review.
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
DataStax
- DataStax's own Astra DB documentation states the Enterprise plan is an annual, contract-based plan with negotiated pricing, meaning list prices are not published for that tier
- DataStax's Astra DB documentation directs Standard plan customers to IBM's watsonx.data pricing for exact consumption-based rates following the DataStax/IBM deal, rather than publishing them on DataStax's own site
Knack
- Plans are priced by number of records and objects rather than users, ranging from $110 to $300 per month as data volume grows
Pricing, plan by plan
DataStax
Free- FreeFree
- 5GB storage
- 40M read/write ops
- Vector search
- Pay As You GoFree
- Usage-based pricing
- Multi-region
- Enterprise support
Knack
On requestNo published plan breakdown. See the Knack review.
Which should you pick?
Choose DataStax if
- You need cassandra compatible.
- You want to start without paying.
- You work on Web, Aws, Azure, Gcp.
- You also want vector search.
Choose Knack if
Nothing in the data separates Knack from DataStax on the points above - pick on price and on how each one feels to use.
Questions people ask
- Is DataStax or Knack better?
- Neither clearly leads. DataStax starts at Free and Knack at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, DataStax or Knack?
- DataStax has a free tier; the other does not. Paid plans start at Free for DataStax and On request for Knack.
- Does DataStax or Knack run on more platforms?
- DataStax runs on Web, Aws, Azure, Gcp. Knack runs on Web.
- Can I use DataStax for free?
- Yes. DataStax has a free tier, so you can try it without paying. Knack starts at On request.
- What is DataStax best used for?
- DataStax is most often used for real-time applications, content management, user profiles, mobile backends. Of those, real-time applications and content management are not what Knack is typically brought in for.
- What can DataStax do that Knack cannot?
- DataStax covers Cassandra Compatible, Vector Search, Serverless, Multi-cloud.