Cloud · head to head
Coolify vs QuestDB

Coolify
Cloud
Open source self-hosted platform that deploys applications and databases to servers you already own
- From
- Free
- Rated
- -

QuestDB
Databases
Fast open source time-series database for high throughput ingestion
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Coolify commit history since June 2026 shows one maintainer at 73 commits and a second at 15 with nobody else above one, and the same two people also ship four other coolLabs products, so the project depends on a very small number of individuals.; QuestDB open-source edition lacks high-availability, distributed architecture, and enterprise security features
- They diverge on capability: Coolify covers Git push deployments, QuestDB covers High Throughput Ingestion.
- Prices and features above were last checked on 31 August 2026.
Where they differ
Only the attributes on which Coolify and QuestDB actually diverge.
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).
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 Coolify
- Git push deployments
- One-click services
- Automatic certificates
- Managed databases
- Docker Compose support
- Notifications
Only in QuestDB
- High Throughput Ingestion
- SQL Support
- Time-series Optimization
- SIMD Vectorization
- Column-oriented Storage
- Built-in Web Console
- InfluxDB Line Protocol
- PostgreSQL
What people use each for
The jobs each tool is most often brought in to do.
Coolify
- Replacing a managed platform bill with a single Hetzner or DigitalOcean instance running a dozen small applicationsnot QuestDB
- An agency hosting many low-traffic client sites on shared servers with certificates handled automaticallynot QuestDB
- Self-hosting analytics, databases and internal tools from the one-click catalogue without writing Compose filesnot QuestDB
- Deploying inside a country or jurisdiction where no managed platform operates a regionnot QuestDB
QuestDB
- Time-series analytics ingesting up to 20M rows/second from IoT sensors or financial data feedsnot Coolify
- Real-time dashboarding with 32ms time-to-first-row latency for minute-level analyticsnot Coolify
- Applications requiring multi-tier storage (hot ingest, real-time SQL, cold Parquet archive)not Coolify
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Coolify
- Commit history since June 2026 shows one maintainer at 73 commits and a second at 15 with nobody else above one, and the same two people also ship four other coolLabs products, so the project depends on a very small number of individuals.
- Multi-server support is documented as experimental, load balancer configuration is manual, every server must share the same CPU architecture, and moving images between hosts requires you to run your own Docker registry.
- In self-hosted mode the Coolify machine holds every SSH key and secret with no documented high availability, so the dashboard host is a single point of failure that the paid Cloud tier fixes and self-hosting does not.
- Scheduled S3 backups cover PostgreSQL, MySQL, MariaDB and MongoDB only, so application persistent volumes are your responsibility and a restore is untested unless you test it yourself.
- Release cadence is fast enough that six patch versions shipped inside ten days in August 2026 against several hundred open issues, and because instances can update themselves a regression can reach a production host before you have read the changelog.
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
Pricing, plan by plan
Coolify
Free- Self-hostedFree
- Apache-2.0, no features held back
- Unlimited servers, applications and users
- You run, update and back up the dashboard yourself
- Cloud$5/month
- Connects 2 servers, then 3 US dollars a month per extra server
- Managed and updated Coolify dashboard with high availability
- Managed backups of the Coolify instance itself
QuestDB
FreeNo published plan breakdown. See the QuestDB review.
Which should you pick?
Choose Coolify if
- You need git push deployments.
- You want to start without paying.
- You work on Web, Linux, Docker, Self-hosted.
- You also want one-click services.
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.
Questions people ask
- Is Coolify or QuestDB better?
- Neither clearly leads. Coolify starts at Free and QuestDB at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Coolify or QuestDB?
- Coolify starts at Free and QuestDB at Free.
- Does Coolify or QuestDB run on more platforms?
- Coolify runs on Web, Linux, Docker, Self-hosted. QuestDB runs on Docker, Kubernetes, Cloud (AWS, Azure, GCP).
- Can I use Coolify for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Coolify best used for?
- Coolify is most often used for replacing a managed platform bill with a single hetzner or digitalocean instance running a dozen small applications, an agency hosting many low-traffic client sites on shared servers with certificates handled automatically, self-hosting analytics, databases and internal tools from the one-click catalogue without writing compose files, deploying inside a country or jurisdiction where no managed platform operates a region. Of those, replacing a managed platform bill with a single hetzner or digitalocean instance running a dozen small applications and an agency hosting many low-traffic client sites on shared servers with certificates handled automatically are not what QuestDB is typically brought in for.
- What can Coolify do that QuestDB cannot?
- Coolify covers Git push deployments, One-click services, Automatic certificates, Managed databases. QuestDB covers High Throughput Ingestion, SQL Support, Time-series Optimization, SIMD Vectorization.
Answered from the vendors’ own pages
Coolify: Is anything held back for the paid tier?
No. Coolify Cloud hosts, updates and backs up the dashboard and gives it high availability. Every feature that touches your applications is in the Apache-2.0 build you can run yourself.
QuestDB: How much does QuestDB Enterprise cost?
QuestDB does not publish specific pricing for the Enterprise tier. Customers must contact QuestDB via their enterprise contact form to receive a custom quote.
SourceCoolify: What does Coolify Cloud cost?
Five US dollars a month connects two servers, and each additional server is three dollars a month, with 20 per cent off for annual billing. You still supply and pay for the servers themselves.
QuestDB: Does QuestDB offer a free version?
Yes, QuestDB Open Source is completely free and recommended for evaluation, prototyping, and pilot projects. Enterprise features, high availability, security, and dedicated support require the paid Enterprise tier.
SourceCoolify: Does it back up my application data?
It backs up PostgreSQL, MySQL, MariaDB and MongoDB to S3 on a schedule. Application persistent volumes are not covered, so anything stored outside a managed database needs your own backup plan.
QuestDB: What deployment options does QuestDB offer?
QuestDB offers open source deployment, Enterprise deployment, and Bring Your Own Cloud (BYOC) deployment. Pricing details for BYOC and Enterprise tiers are not published and require direct contact with sales.
SourceCoolify: Can I run it across several servers?
Yes, but the documentation calls multi-server experimental. Load balancing is not configured for you, all nodes must share a CPU architecture, and you need to run your own Docker registry.
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