Link copied to clipboard # KX vs QuestDB Comparison - What are their main differences? Share [ Export ](/compare/kx-kx/questdb/export.csv) KXQuestDB[+ Add Product](#) Pricing **KX** Free Trial **$0.00** · Free **QuestDB** Free Trial No pricing available **Pricing Insights** from reviews Time to Implement **KX** Not enough reviews yet **QuestDB** Not enough reviews yet Return on Investment **KX** Not enough reviews yet **QuestDB** Not enough reviews yet Perceived Cost **KX** $$$$$ **QuestDB** Not enough reviews yet Average Discount **KX** Not enough reviews yet **QuestDB** Not enough reviews yet **Pros & Cons** from reviews **KX** [ Speed (11) ](https://www.g2.com/products/kx-kx/reviews?filters%5Bsentiment_snippet%5D=1711118&qs=pros-and-cons#reviews)[ Performance (9) ](https://www.g2.com/products/kx-kx/reviews?filters%5Bsentiment_snippet%5D=1711642&qs=pros-and-cons#reviews)[ Learning Curve (12) ](https://www.g2.com/products/kx-kx/reviews?filters%5Bsentiment_snippet%5D=1711153&qs=pros-and-cons#reviews)[ Difficult Learning (7) ](https://www.g2.com/products/kx-kx/reviews?filters%5Bsentiment_snippet%5D=1710793&qs=pros-and-cons#reviews) **QuestDB** Not enough data Screenshots **KX** ![KX screenshot](https://images.g2crowd.com/cdn-cgi/image/width=600,height=600,fit=scale-down,format=auto,onerror=redirect,/https://images.g2crowd.com/uploads/attachment/file/1326456/Screenshot-2023-06-21-at-12.57.17.png) **QuestDB** ![QuestDB screenshot](https://images.g2crowd.com/cdn-cgi/image/width=600,height=600,fit=scale-down,format=auto,onerror=redirect,/https://images.g2crowd.com/uploads/attachment/file/1817500/Slide_56.png) **Ratings** from reviews Meets Requirements **KX** 8.9 8.935 **QuestDB** 8.9 8.926 Ease of Use **KX** 6.7 6.738 **QuestDB** 9.0 9.027 Ease of Setup **KX** 8.5 8.524 **QuestDB** 9.2 9.219 Ease of Admin **KX** 8.9 8.914 **QuestDB** 9.0 9.012 Quality of Support **KX** 8.7 8.733 **QuestDB** 9.8 9.825 Has the product been a good partner in doing business? **KX** 9.0 9.012 **QuestDB** 9.4 9.411 Product Direction (% positive) **KX** 8.6 8.642 **QuestDB** 9.6 9.626 **Features** ratings from reviews Vector Database 8.7 10 Not enough data Real-time Analytic Database 8.3 10 Not enough data Columnar Databases 8.4 22 Not enough data User Insights **Reviewers' Company Size** Small-Business(50 or fewer emp.) 24.0% Mid-Market(51-1000 emp.) 18.0% Enterprise(\> 1000 emp.) 58.0% Small-Business(50 or fewer emp.) 24.0% Mid-Market(51-1000 emp.) 18.0% Enterprise(\> 1000 emp.) 58.0% Small-Business(50 or fewer emp.) 66.7% Mid-Market(51-1000 emp.) 18.2% Enterprise(\> 1000 emp.) 15.2% Small-Business(50 or fewer emp.) 66.7% Mid-Market(51-1000 emp.) 18.2% Enterprise(\> 1000 emp.) 15.2% **Reviewers' Industry** [![KX](https://images.g2crowd.com/uploads/product/hd_favicon/d6a2a9ce7e647eee196c6789a3276ffd/kx-2022-12-21.svg "KX")](https://www.g2.com/products/kx-kx/reviews) KX Financial Services 46.0% Banking 12.0% Capital Markets 10.0% Investment Banking 6.0% Investment Management 4.0% Other 22.0% [![QuestDB](https://images.g2crowd.com/uploads/product/hd_favicon/978353f2aa959b88f7544c5ea2592e9f/questdb.svg "QuestDB")](https://www.g2.com/products/questdb/reviews) QuestDB Computer Software 24.2% Financial Services 21.2% Information Technology and Services 6.1% Oil & Energy 6.1% E-Learning 3.0% Other 39.4% Alternatives **KX Alternatives** ![InfluxDB](https://images.g2crowd.com/uploads/product/hd_favicon/ffc338ba19cc780217d84bb08eab963c/influxdata-influxdb.svg "InfluxDB") [ InfluxDB ](/products/influxdata-influxdb/reviews) ![Snowflake](https://images.g2crowd.com/uploads/product/hd_favicon/1544409170/snowflake.svg "Snowflake") [ Snowflake ](/products/snowflake/reviews) ![SAP HANA Cloud](https://images.g2crowd.com/uploads/product/hd_favicon/b5f8f986beca96ab0027c693ee762fb9/sap-hana-cloud-2025-10-01.svg "SAP HANA Cloud") [ SAP HANA Cloud ](/products/sap-hana-cloud-2025-10-01/reviews) ![Amazon Redshift](https://images.g2crowd.com/uploads/product/hd_favicon/1528476479/amazon-redshift.svg "Amazon Redshift") [ Amazon Redshift ](/products/amazon-redshift/reviews) **QuestDB Alternatives** ![InfluxDB](https://images.g2crowd.com/uploads/product/hd_favicon/ffc338ba19cc780217d84bb08eab963c/influxdata-influxdb.svg "InfluxDB") [ InfluxDB ](/products/influxdata-influxdb/reviews) ![Prometheus](https://images.g2crowd.com/uploads/product/hd_favicon/1487566714/prometheus.png "Prometheus") [ Prometheus ](/products/prometheus/reviews) ![Druid](https://images.g2crowd.com/uploads/product/hd_favicon/5d886392527662054de5015b374ff3a1/druid.svg "Druid") [ Druid ](/products/druid/reviews) ![Tiger Data](https://images.g2crowd.com/uploads/product/hd_favicon/1db222856614b0052b5ec8c75261f974/tiger-data.svg "Tiger Data") [ Tiger Data ](/products/tiger-data/reviews) ## KX vs QuestDB FAQs Generated using AI Last updated: August 16, 2026 ### What is the difference between KX vs QuestDB? QuestDB stands out for its higher G2 rating and superior scores in Ease of Setup and Quality of Support, while KX is recognized for its speed and performance, especially in enterprise environments. | [KX](https://www.g2.com/products/kx-kx/reviews) | [QuestDB](https://www.g2.com/products/questdb/reviews) | | --- | --- | | 4.6/5 (51 reviews) | 4.8/5 (35 reviews) | | Enterprise | Small-Business | | 8.5 | 9.2 | | 8.7 | 9.8 | | Speed (6 all-time mentions) | Performance (recent reviews) | ### How do the pricing models of KX and QuestDB compare? QuestDB is rated higher for value, with reviewers expressing greater satisfaction with its pricing compared to KX. - **KX:** Reviewers note that KX licenses can be expensive for small organizations, and some mention the need to consider long-term benefits to justify the cost. - **QuestDB:** Reviewers highlight the free/open source version as a strong value, with several noting that it delivers high performance without ongoing configuration or high costs. - **Switching reasons:** Recent reviewers have switched to QuestDB from other time series databases due to easier setup, better performance, and lower ongoing maintenance requirements. ### What are the best alternatives to KX and QuestDB? InfluxDB, Snowflake, and Prometheus are the top three alternatives to KX and QuestDB. | Product | G2 Rating (reviews) | Largest Segment | Pricing Insight | Top Reviewer-Cited Strength | | --- | --- | --- | --- | --- | | [KX](https://www.g2.com/products/kx-kx/reviews) | 4.6/5 (51) | Enterprise | Licenses can be expensive for small organizations | Speed (6 all-time mentions) | | [QuestDB](https://www.g2.com/products/questdb/reviews) | 4.8/5 (35) | Small-Business | Free/open source version delivers strong value | Performance (recent reviews) | | [InfluxDB](https://www.g2.com/products/influxdata-influxdb/reviews) | 4.4/5 (101) | Small-Business | — | — | | [Snowflake](https://www.g2.com/products/snowflake/reviews) | 4.5/5 (763) | Mid-Market | — | — | | [Prometheus](https://www.g2.com/products/prometheus/reviews) | 4.5/5 (62) | Mid-Market | — | — | ### Which Time Series Databases features should I prioritize when comparing KX and QuestDB? Buyers comparing KX and QuestDB should prioritize performance, ease of setup, quality of support, learning curve, and integration capabilities. - **Performance:** KX (Speed: 6 all-time mentions, Performance: 5 all-time mentions); QuestDB (Performance: recent reviews consistently highlight high performance and fast data ingestion). - **Ease of Setup:** KX (8.5), QuestDB (9.2). - **Quality of Support:** KX (8.7), QuestDB (9.8). - **Learning Curve:** KX (Learning Curve: 7 all-time mentions, Steep Learning Curve: 3 all-time mentions); QuestDB (recent reviews mention a learning curve but generally easier due to SQL compatibility). - **Integration Capabilities:** KX (recent reviews mention integration with Python, Java, and dashboards); QuestDB (recent reviews highlight REST API, InfluxDB Line Protocol, and Grafana integration). ### What are the pros and cons of KX vs QuestDB? KX's headline strength is speed and performance, while QuestDB's is ease of use and high reviewer satisfaction with support and setup. - **KX strengths:** Speed (6 all-time mentions), performance (5), powerful tools (5), analytics (3), efficiency (3), real-time data processing (3), dashboards (2), easy integrations (2). - **KX trade-offs:** Learning curve (7 all-time mentions), difficult learning (3), steep learning curve (3), expensive (2), initial difficulties (2). - **QuestDB strengths:** Performance and fast data ingestion (recent reviews), ease of setup (9.2), quality of support (9.8), SQL compatibility, open source value, strong integration options (REST API, InfluxDB Line Protocol, Grafana). - **QuestDB trade-offs:** Recent reviews mention some missing advanced features and a smaller but growing ecosystem; documentation and learning curve are noted but generally less challenging than KX. ### Is KX or QuestDB better for small businesses? QuestDB is the better fit for small businesses, as reflected by its largest reviewer segment and positive small-business sentiment. - **KX:** Largest segment is Enterprise; reviewers from smaller organizations mention that licensing can be expensive and the learning curve is steep for new users. - **QuestDB:** Largest segment is Small-Business; reviewers highlight ease of setup, strong value from the open source version, and suitability for handling large datasets with minimal configuration. ### Which Time Series Databases platform has better integrations? QuestDB is favored for integrations, with reviewers highlighting its broad compatibility and ease of connecting with third-party tools. - **KX:** Reviewers mention integration with Python, Java, and dashboards in recent reviews. - **QuestDB:** Reviewers highlight REST API, InfluxDB Line Protocol, and Grafana integration as key strengths for connecting with other systems. ### How do KX and QuestDB compare on customer support? QuestDB leads KX in Quality of Support by a material margin, with a 9.8 score versus KX's 8.7. - **KX:** Reviewers describe attentive and accommodating support, with several noting improvements in documentation and community resources. - **QuestDB:** Reviewers consistently praise the support team for responsiveness, direct access to developers, and helpfulness via Slack and other channels. ### Which is easier to implement, KX or QuestDB? QuestDB is easier to implement, with a higher Ease of Setup score (9.2 vs. KX's 8.5) and reviewers citing straightforward deployment. - **KX:** Reviewers frequently mention a steep learning curve and initial setup challenges, though many note that setup becomes easier with experience and documentation has improved. - **QuestDB:** Reviewers highlight quick setup, easy deployment, and minimal configuration, with several noting that implementation was fast and required little ongoing maintenance. ## KX vs QuestDB When assessing the two solutions, reviewers found QuestDB easier to use, set up, and administer. Reviewers also preferred doing business with QuestDB overall. - KX and QuestDB both meet the requirements of our reviewers at a comparable rate. - When comparing quality of ongoing product support, reviewers felt that QuestDB is the preferred option. - For feature updates and roadmaps, our reviewers preferred the direction of QuestDB over KX.