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Testing · head to head

GrowthBook vs Huly

GrowthBook logo

GrowthBook

Testing

Open source feature flags and A/B testing that run experiment analysis inside your own data warehouse

From
Free
Rated
-
Full reviewWebsite
Huly logo

Huly

Project Management

Open-source all-in-one project management and collaboration platform

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: GrowthBook warehouse-native analysis is only an advantage if you have a warehouse with clean event data in it; without one, GrowthBook has nothing to compute against and you are back to buying an event-collecting platform.; Huly cloud pricing charges separately for storage and video/audio bandwidth, which can be unpredictable.
  • They diverge on capability: GrowthBook covers Feature flags, Huly covers Team Planner.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which GrowthBook and Huly actually diverge.

Attributes where GrowthBook and Huly differ
AttributeGrowthBookHuly
Pricing modelPer user per monthfreemium
PlatformsWeb, Self-hosted, Dockerweb, windows, mac, linux
CategoryTestingProject Management

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 GrowthBook

  • Feature flags
  • Warehouse-native analysis
  • Reusable metric definitions
  • Bayesian and frequentist engines
  • CUPED variance reduction
  • Visual editor
  • Self-hosting
  • Guardrail metrics

Only in Huly

  • Team Planner
  • Project management
  • Virtual Office
  • Real-time chat
  • Document collaboration
  • GitHub sync

What people use each for

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

GrowthBook

  • An engineering team that wants feature flags without a per-monthly-active-user bill that grows with product successnot Huly
  • A data team that needs experiment results to reconcile exactly with the metrics reported in its BI toolnot Huly
  • A company with data residency or privacy constraints that cannot send user-level event data to a third-party vendornot Huly
  • Running long-tail experiments where sequential testing and CUPED shorten the time to a decision on low-traffic surfacesnot Huly

Huly

  • Replacing multiple SaaS tools with one self-hostable platformnot GrowthBook
  • Remote team collaboration with persistent virtual officesnot GrowthBook
  • Issue tracking synced with GitHubnot GrowthBook
  • Combined docs and project management for small teamsnot GrowthBook

Where each one falls short

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

GrowthBook

  • Warehouse-native analysis is only an advantage if you have a warehouse with clean event data in it; without one, GrowthBook has nothing to compute against and you are back to buying an event-collecting platform.
  • Metrics are SQL, so a marketing or product team without data engineering support cannot define or fix them, and a badly written metric silently produces a confident wrong answer.
  • Cloud Pro bills per seat and then adds CDN request and bandwidth overages, so a high-traffic site can find the variable component exceeds the seat cost it budgeted for.
  • Self-hosting means you own the Mongo database, the SDK endpoint availability and the upgrade path, and a flag service that is down is a production incident, not an analytics inconvenience.
  • The statistics engine exposes real choices, Bayesian versus frequentist, sequential testing, variance reduction, and the tool will not stop a team that configures them wrongly, so it rewards statistical literacy and punishes its absence.

Huly

  • Cloud pricing charges separately for storage and video/audio bandwidth, which can be unpredictable.
  • AI features are listed as 'TBD' rather than fully available.
  • Being a broad all-in-one tool, individual modules are less deep than dedicated best-of-breed products.
  • Self-hosting requires operational effort compared to fully managed competitors.

Pricing, plan by plan

GrowthBook

Free
  • Open source (self-hosted)Free
    • Unlimited users, feature flags and experiments
    • One project
    • MIT licensed, you run the infrastructure
  • Starter (cloud)Free
    • Up to 3 users
    • 1 project
    • Unlimited flags, experiments and traffic
  • Pro (cloud)$40/month
    • Per seat, up to 50 users
    • 3 projects
    • CDN overage at $10 per million requests beyond the included allowance
  • Enterprise$undefined/year
    • Unlimited users and projects
    • SSO, audit logs and advanced permissions
    • Available on cloud or self-hosted

Huly

Free
  • CommonFree
    • Unlimited users
    • Unlimited Huly objects
    • 10GB storage
  • Rare$19.99/month
    • Unlimited users
    • 100GB storage
    • 100GB video/audio traffic
  • Epic$99.99/month
    • Unlimited users
    • 1TB storage
    • 500GB video/audio traffic
  • Legendary$399.99/month
    • Unlimited users
    • 10TB storage
    • 2TB video/audio traffic

Which should you pick?

Choose GrowthBook if

  • You need feature flags.
  • You want to start without paying.
  • You work on Web, Self-hosted, Docker.
  • You also want warehouse-native analysis.
GrowthBook review

Choose Huly if

  • You need team planner.
  • You want to start without paying.
  • You work on web, windows, mac, linux.
  • You also want project management.
Huly review

Questions people ask

Is GrowthBook or Huly better?
Neither clearly leads. GrowthBook starts at Free and Huly at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, GrowthBook or Huly?
GrowthBook starts at Free and Huly at Free.
Does GrowthBook or Huly run on more platforms?
GrowthBook runs on Web, Self-hosted, Docker. Huly runs on web, windows, mac, linux.
Can I use GrowthBook for free?
Both have a free tier, so you can try either at no cost before committing.
What is GrowthBook best used for?
GrowthBook is most often used for an engineering team that wants feature flags without a per-monthly-active-user bill that grows with product success, a data team that needs experiment results to reconcile exactly with the metrics reported in its bi tool, a company with data residency or privacy constraints that cannot send user-level event data to a third-party vendor, running long-tail experiments where sequential testing and cuped shorten the time to a decision on low-traffic surfaces. Of those, an engineering team that wants feature flags without a per-monthly-active-user bill that grows with product success and a data team that needs experiment results to reconcile exactly with the metrics reported in its bi tool are not what Huly is typically brought in for.
What can GrowthBook do that Huly cannot?
GrowthBook covers Feature flags, Warehouse-native analysis, Reusable metric definitions, Bayesian and frequentist engines. Huly covers Team Planner, Project management, Virtual Office, Real-time chat.

Answered from the vendors’ own pages

GrowthBook: Is the self-hosted version actually usable, or crippled?

It is genuinely usable: unlimited users, flags and experiments on one project under an MIT licence. The paid tiers add multiple projects, SSO, audit logs and support.

Huly: What does Huly cost?

Huly's cloud offering has a free Common plan plus paid Rare ($19.99/mo), Epic ($99.99/mo) and Legendary ($399.99/mo) tiers based on storage and video/audio traffic, plus a custom plan.

Source
GrowthBook: Do I need a data warehouse?

For experiment analysis, effectively yes. Feature flagging works without one, but the reason to choose GrowthBook over a flag-only tool is the warehouse-native statistics.

Huly: Is there a free plan, and what are its limits?

The free Common plan includes unlimited users and Huly objects but caps storage at 10GB and video/audio traffic at 10GB.

Source
GrowthBook: How does the cost compare with LaunchDarkly or Optimizely?

GrowthBook charges per seat rather than per monthly active user or per tracked event, so cost stops scaling with traffic. At high volume that difference is large.

Huly: How is usage metered?

Huly charges cloud users based on consumed storage (for attachments and documents) and network usage for audio/video calls, while Huly objects themselves stay unlimited on every plan.

Source
GrowthBook: Does it support mobile and server-side flags?

Yes, there are SDKs across JavaScript, React, Python, Go, Ruby, PHP, Java, Kotlin, Swift and more, covering client, server and mobile evaluation.

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