Is Atlantis or QuestDB better?

Neither clearly leads. Atlantis 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, Atlantis or QuestDB?

Atlantis starts at Free and QuestDB at Free.

Does Atlantis or QuestDB run on more platforms?

Atlantis runs on Linux, Docker, Kubernetes, Self-hosted. QuestDB runs on Docker, Kubernetes, Cloud (AWS, Azure, GCP).

Can I use Atlantis for free?

Both have a free tier, so you can try either at no cost before committing.

What is Atlantis best used for?

Atlantis is most often used for making terraform review meaningful by putting the actual plan output in front of the approver, removing local applies and the credential sprawl that comes with every engineer holding production keys, getting pull request driven infrastructure without paying a per-user subscription for a hosted platform, enforcing conftest policies as a blocking check before an apply can run. Of those, making terraform review meaningful by putting the actual plan output in front of the approver and removing local applies and the credential sprawl that comes with every engineer holding production keys are not what QuestDB is typically brought in for.

What can Atlantis do that QuestDB cannot?

Atlantis covers Pull request plans, Comment driven apply, Workspace locking, Policy checking. QuestDB covers High Throughput Ingestion, SQL Support, Time-series Optimization, SIMD Vectorization.

Developer Tools · head to head

Atlantis vs QuestDB

Atlantis

Developer Tools

Runs Terraform plan and apply from pull request comments, self-hosted and free

From: Free
Rated: -

Full review Website

QuestDB

Databases

Fast open source time-series database for high throughput ingestion

From: Free
Rated: -

Full review Website

The short version

Each has a real cost: Atlantis there is no company, no service level agreement and no paid support at any price, and the six maintainers are volunteers with day jobs, which some risk committees will not accept for a component holding production cloud credentials.; QuestDB open-source edition lacks high-availability, distributed architecture, and enterprise security features
They diverge on capability: Atlantis covers Pull request plans, QuestDB covers High Throughput Ingestion.
Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Atlantis and QuestDB actually diverge.

Attributes where Atlantis and QuestDB differ
Attribute	Atlantis	QuestDB
Pricing model	Open source, no licence fee	open-source
Platforms	Linux, Docker, Kubernetes, Self-hosted	Docker, Kubernetes, Cloud (AWS, Azure, GCP)
Category	Developer Tools	Databases
Founded	Unknown	2014

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 Atlantis

Pull request plans
Comment driven apply
Workspace locking
Policy checking
Multi-platform webhooks
Custom workflows

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.

Atlantis

Making Terraform review meaningful by putting the actual plan output in front of the approvernot QuestDB
Removing local applies and the credential sprawl that comes with every engineer holding production keysnot QuestDB
Getting pull request driven infrastructure without paying a per-user subscription for a hosted platformnot QuestDB
Enforcing Conftest policies as a blocking check before an apply can runnot QuestDB

QuestDB

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

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Atlantis

There is no company, no service level agreement and no paid support at any price, and the six maintainers are volunteers with day jobs, which some risk committees will not accept for a component holding production cloud credentials.
The security surface is inherently sharp, because it is an internet-reachable webhook endpoint that executes applies with privileged credentials, gated by pull request comment authorisation that is coarse next to a real policy engine.
It is stateful, holding a working directory and lock database on local disk, so high availability and horizontal scaling are awkward and you own upgrades, webhook plumbing, secret rotation and the host itself.
It lacks the features that distinguish the commercial alternatives, with no native drift detection, no cost estimation, no managed state interface and no policy engine beyond the Conftest integration.
Terragrunt and monorepo layouts are not first-class, requiring hand-written custom workflows and repository configuration that becomes a growing maintenance burden as the number of repositories increases.

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

Atlantis

Free

AtlantisFree
- Apache-2.0, no usage limits and no seat count
- No commercial edition and no paid support tier
- Community support through GitHub and the CNCF Slack channel

QuestDB

Free

No published plan breakdown. See the QuestDB review.

Which should you pick?

Choose Atlantis if

You need pull request plans.
You want to start without paying.
You work on Linux, Docker, Kubernetes, Self-hosted.
You also want comment driven apply.

Atlantis review

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

Questions people ask

Is Atlantis or QuestDB better?: Neither clearly leads. Atlantis 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, Atlantis or QuestDB?: Atlantis starts at Free and QuestDB at Free.
Does Atlantis or QuestDB run on more platforms?: Atlantis runs on Linux, Docker, Kubernetes, Self-hosted. QuestDB runs on Docker, Kubernetes, Cloud (AWS, Azure, GCP).
Can I use Atlantis for free?: Both have a free tier, so you can try either at no cost before committing.
What is Atlantis best used for?: Atlantis is most often used for making terraform review meaningful by putting the actual plan output in front of the approver, removing local applies and the credential sprawl that comes with every engineer holding production keys, getting pull request driven infrastructure without paying a per-user subscription for a hosted platform, enforcing conftest policies as a blocking check before an apply can run. Of those, making terraform review meaningful by putting the actual plan output in front of the approver and removing local applies and the credential sprawl that comes with every engineer holding production keys are not what QuestDB is typically brought in for.
What can Atlantis do that QuestDB cannot?: Atlantis covers Pull request plans, Comment driven apply, Workspace locking, Policy checking. QuestDB covers High Throughput Ingestion, SQL Support, Time-series Optimization, SIMD Vectorization.

Answered from the vendors’ own pages

Atlantis: Is there a company behind Atlantis?

No. It runs as a series of LF Projects under the Linux Foundation and is maintained by volunteers. There is no vendor to buy support from and no service level agreement.

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.

Source

Atlantis: Is it a CNCF project?

No. It uses a channel in the CNCF Slack, which is often misread as membership, but the project sits under LF Projects rather than the CNCF.

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.

Source

Atlantis: Does it work with OpenTofu?

Yes, there is a dedicated integration guide alongside Terraform, and it also has configuration for working with hosted Terraform backends.

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.

Source

Atlantis: What does it not do that a paid platform does?

Drift detection, cost estimation, a managed state and run interface, and a real policy engine. Atlantis does pull request plan and apply well and stops there.

Atlantis vs QuestDB

Atlantis

QuestDB

The short version

Where they differ

What each one covers

Only in Atlantis

Only in QuestDB

What people use each for

Atlantis

QuestDB

Where each one falls short

Atlantis

QuestDB

Pricing, plan by plan

Atlantis

QuestDB

Which should you pick?

Choose Atlantis if

Choose QuestDB if

Questions people ask

Answered from the vendors’ own pages

Related pages

More on Atlantis

More on QuestDB

Keep looking

Other head to heads