ClickHouse vs QuestDB:Which is more popular?
In September 2026, ClickHouse had more branded searches than QuestDB among time series databases worldwide. ClickHouse had about 110,000 branded searches, while QuestDB had 3,600. ClickHouse made up 62.9% of all time series database searches we track, and QuestDB accounted for 2.1%. When we asked ChatGPT and Google AI Overviews about time series databases, QuestDB appeared in all five answers and ClickHouse in three. QuestDB was mentioned before ClickHouse in three out of five answers.
Who do people search for more?
ClickHouse, about 31 searches for every 1 for QuestDB
Who does AI mention more?
QuestDB, mentioned in every answer we collected
Who does AI recommend more?
QuestDB, named ahead of ClickHouse in 3 of 5 answers
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Top time series databases in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, QuestDB appeared in all five answers. ClickHouse was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. QuestDB was listed before ClickHouse in three out of five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
InfluxDB1st
TimescaleDB2nd- QuestDB3rd
Tiger Data4th
VictoriaMetrics5th- ClickHouse6th
- Kdb+7th
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- InfluxDB5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- TimescaleDB5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- QuestDB5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- ClickHouse3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- VictoriaMetrics3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Tiger Data3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Kdb+2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
See every answer about time series databases
5 answers
Asked ChatGPT
“Which time series database should I use?”
Asked ChatGPT
“What are the best time series databases?”
Asked ChatGPT
“What's the best time series database for sensor data?”
Searched Google, AI Overview
“time series databases”
Searched Google, AI Overview
“time series db”
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Is ClickHouse or QuestDB more popular in search?
This chart shows how often people search Google for ClickHouse and QuestDB by name. Each line represents a brand's share of searches for all seven time series databases we track, month by month, from English-language searches worldwide.
Share of searches by month for ClickHouse, QuestDB. The figures are in the table below the chart.
View monthly share of searches table
| Month | ClickHouse | InfluxDB | TimescaleDB | VictoriaMetrics | Tiger Data | QuestDB | Kdb+ |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 52.9% | 23.8% | 13% | 3.9% | 2.6% | 2.6% | 1.2% |
| Nov 2025 | 55.1% | 20.3% | 13.6% | 5% | 2.2% | 2.7% | 1.2% |
| Dec 2025 | 50.4% | 22.5% | 15.1% | 5.5% | 2.4% | 3% | 1.1% |
| Jan 2026 | 60.1% | 18% | 12.1% | 4.4% | 2% | 2.4% | 1.1% |
| Feb 2026 | 55.5% | 20.4% | 13.7% | 5% | 2.2% | 2.2% | 0.96% |
| Mar 2026 | 53% | 19.5% | 13.1% | 5.8% | 4.8% | 2.6% | 1.2% |
| Apr 2026 | 56% | 16.9% | 13.8% | 5% | 5% | 2.2% | 0.97% |
| May 2026 | 58.7% | 17.7% | 11.8% | 5.3% | 2.9% | 2.3% | 1.3% |
| Jun 2026 | 58.9% | 17.7% | 11.9% | 5.3% | 2.9% | 2.4% | 1% |
| Jul 2026 | 61.4% | 15.1% | 12.4% | 5.5% | 2.5% | 2% | 1.1% |
| Aug 2026 | 68% | 13.7% | 9.1% | 5% | 1.8% | 1.5% | 0.96% |
| Sep 2026 | 62.9% | 15.5% | 10.3% | 5.7% | 2.5% | 2.1% | 1.1% |
How has the ClickHouse and QuestDB comparison changed over the last 12 months?
3 findings
- ClickHouse was ahead of QuestDB in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, ClickHouse’s share of searches among time series databases worldwide moved from 52.9% to 62.9%, and its estimated monthly branded searches held steady at 110K.
- Across the 12 months ending September 2026, QuestDB’s share of searches among time series databases worldwide moved from 2.6% to 2.1%, and its estimated monthly branded searches moved from 5.4K to 3.6K.
How did search popularity change for time series databases worldwide in September 2026?
2 changes
In September 2026, QuestDB gained share of searches among time series databases worldwide, from 1.5% to 2.1%.
In September 2026, ClickHouse lost share of searches among time series databases worldwide, from 68% to 62.9%.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using ClickHouse’s and QuestDB’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
ClickHouse
1 branded search term
- clickhouse
QuestDB
1 branded search term
- questdb
Other head-to-heads among time series databases
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