Is QuestDB or Knack better?

Neither clearly leads. QuestDB 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, QuestDB or Knack?

QuestDB has a free tier; the other does not. Paid plans start at Free for QuestDB and On request for Knack.

Does QuestDB or Knack run on more platforms?

QuestDB runs on Docker, Kubernetes, Cloud (AWS, Azure, GCP). Knack runs on Web.

Can I use QuestDB for free?

Yes. QuestDB has a free tier, so you can try it without paying. Knack starts at On request.

What is QuestDB best used for?

QuestDB is most often used for time-series analytics ingesting up to 20m rows/second from iot sensors or financial data feeds, real-time dashboarding with 32ms time-to-first-row latency for minute-level analytics, applications requiring multi-tier storage (hot ingest, real-time sql, cold parquet archive). Of those, time-series analytics ingesting up to 20m rows/second from iot sensors or financial data feeds and real-time dashboarding with 32ms time-to-first-row latency for minute-level analytics are not what Knack is typically brought in for.

What can QuestDB do that Knack cannot?

QuestDB covers High Throughput Ingestion, SQL Support, Time-series Optimization, SIMD Vectorization.

Software · head to head

QuestDB vs Knack

QuestDB

Software

Fast open source time-series database for high throughput ingestion

From: Free
Rated: -

Full review Website

Knack

Software

Build online databases and apps without code

From: On request
Rated: -

Full review Website

The short version

Only QuestDB has a free tier, so it costs nothing to try first.
Each has a real cost: QuestDB open-source edition lacks high-availability, distributed architecture, and enterprise security features; 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 QuestDB and Knack actually diverge.

Attributes where QuestDB and Knack differ
Attribute	QuestDB	Knack
Starting price	Free	On request
Pricing model	open-source	subscription
Free tier	Yes	No
Platforms	Docker, Kubernetes, Cloud (AWS, Azure, GCP)	Web
Founded	2014	Unknown

Identical on both: user rating (Not yet rated), category (Unknown).

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 QuestDB

High Throughput Ingestion
SQL Support
Time-series Optimization
SIMD Vectorization
Column-oriented Storage
Built-in Web Console
InfluxDB Line Protocol
PostgreSQL

Only in Knack

Nothing recorded that QuestDB does not also cover.

What people use each for

The jobs each tool is most often brought in to do.

QuestDB

Time-series analytics ingesting up to 20M rows/second from IoT sensors or financial data feedsnot Knack
Real-time dashboarding with 32ms time-to-first-row latency for minute-level analyticsnot Knack
Applications requiring multi-tier storage (hot ingest, real-time SQL, cold Parquet archive)not 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.

QuestDB

Open-source edition lacks high-availability, distributed architecture, and enterprise security features
Enterprise edition pricing not published; requires contacting sales for custom quote
Ingestion limit of 20M rows/sec platform-dependent; may not scale to extreme throughput requirements

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

QuestDB

Free

No published plan breakdown. See the QuestDB review.

Knack

On request

No published plan breakdown. See the Knack review.

Which should you pick?

Choose QuestDB if

You need high throughput ingestion.
You want to start without paying.
You work on Docker, Kubernetes, Cloud (AWS, Azure, GCP).
You also want sql support.

QuestDB review

Choose Knack if

Nothing in the data separates Knack from QuestDB on the points above - pick on price and on how each one feels to use.

Knack review

Questions people ask

Is QuestDB or Knack better?: Neither clearly leads. QuestDB 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, QuestDB or Knack?: QuestDB has a free tier; the other does not. Paid plans start at Free for QuestDB and On request for Knack.
Does QuestDB or Knack run on more platforms?: QuestDB runs on Docker, Kubernetes, Cloud (AWS, Azure, GCP). Knack runs on Web.
Can I use QuestDB for free?: Yes. QuestDB has a free tier, so you can try it without paying. Knack starts at On request.
What is QuestDB best used for?: QuestDB is most often used for time-series analytics ingesting up to 20m rows/second from iot sensors or financial data feeds, real-time dashboarding with 32ms time-to-first-row latency for minute-level analytics, applications requiring multi-tier storage (hot ingest, real-time sql, cold parquet archive). Of those, time-series analytics ingesting up to 20m rows/second from iot sensors or financial data feeds and real-time dashboarding with 32ms time-to-first-row latency for minute-level analytics are not what Knack is typically brought in for.
What can QuestDB do that Knack cannot?: QuestDB covers High Throughput Ingestion, SQL Support, Time-series Optimization, SIMD Vectorization.

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QuestDB vs Knack

QuestDB

Knack

The short version

Where they differ

What each one covers

Only in QuestDB

Only in Knack

What people use each for

QuestDB

Knack

Where each one falls short

QuestDB

Knack

Pricing, plan by plan

QuestDB

Knack

Which should you pick?

Choose QuestDB if

Choose Knack if

Questions people ask

Related pages

More on QuestDB

More on Knack

Keep looking

Other head to heads