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Software · head to head

TeamCity vs Unleash

TeamCity logo

TeamCity

Software

JetBrains continuous integration and delivery server

From
Free
Rated
-
Full reviewWebsite
Unleash logo

Unleash

Software

Open-source feature flag and experimentation service

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: TeamCity detailed pricing requires visiting a calculator and isn't transparent on the main pricing page.; Unleash the Pay-As-You-Go plan is priced per seat, which can get costly for larger teams.
  • They diverge on capability: TeamCity covers Build Chains, Unleash covers Feature flags.

Where they differ

Only the attributes on which TeamCity and Unleash actually diverge.

Attributes where TeamCity and Unleash differ
AttributeTeamCityUnleash
Platformsweb, windows, mac, linux, apiweb, api, linux

Identical on both: starting price (Free), pricing model (freemium), free tier (Yes), user rating (Not yet rated), category (Unknown).

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 TeamCity

  • Build Chains
  • Parallel Test Execution
  • VCS Integration
  • Build History & Analytics
  • Docker & Kubernetes Support
  • Access Control

Only in Unleash

  • Feature flags
  • A/B/n testing
  • Custom targeting
  • SDKs
  • SSO
  • Audit logs

What people use each for

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

TeamCity

  • Running build and test pipelines for enterprise software teamsnot Unleash
  • Self-hosting CI/CD infrastructure behind a firewallnot Unleash
  • Coordinating multi-stage build chains with dependenciesnot Unleash
  • Scaling build capacity with additional agentsnot Unleash

Unleash

  • Gradual and progressive feature rolloutsnot TeamCity
  • Running A/B/n experiments tied to flagsnot TeamCity
  • Self-hosting feature management for compliance needsnot TeamCity
  • Enterprise SSO-controlled feature flag governancenot TeamCity

Where each one falls short

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

TeamCity

  • Detailed pricing requires visiting a calculator and isn't transparent on the main pricing page.
  • Self-hosted setup and agent management require more operational overhead than fully managed CI/CD services.
  • Additional build agents and users are priced incrementally, which can add up for larger teams.
  • The UI and configuration model have a steeper learning curve compared to YAML-first CI tools.

Unleash

  • The Pay-As-You-Go plan is priced per seat, which can get costly for larger teams.
  • Self-hosted Enterprise requires a minimum of 5 seats and an annual contract.
  • Additional API traffic beyond the included quota is billed per million requests.
  • Advanced SLAs and dedicated customer success are reserved for the custom Enterprise tier.

Pricing, plan by plan

TeamCity

Free
  • Free TierFree
    • Includes 3 build agents
    • 100 build configurations
    • On-premises or Cloud
  • TeamCity Cloud / On-Premises$undefined/month
    • Priced per additional build agent
    • Additional users on Cloud plans
    • Enterprise support options

Unleash

Free
  • Pay-As-You-Go$75/month
    • Cloud-hosted
    • 53M API requests/month included
    • Unlimited feature flags, projects and environments
  • Custom Enterprise$undefined/mo
    • Cloud, self-hosted or hybrid
    • Premium support options
    • 99.99% uptime SLA

Which should you pick?

Choose TeamCity if

  • You need build chains.
  • You want to start without paying.
  • You work on web, windows, mac, linux, api.
  • You also want parallel test execution.
TeamCity review

Choose Unleash if

  • You need feature flags.
  • You want to start without paying.
  • You work on web, api, linux.
  • You also want a/b/n testing.
Unleash review

Questions people ask

Is TeamCity or Unleash better?
Neither clearly leads. TeamCity starts at Free and Unleash at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, TeamCity or Unleash?
TeamCity starts at Free and Unleash at Free.
Does TeamCity or Unleash run on more platforms?
TeamCity runs on web, windows, mac, linux, api. Unleash runs on web, api, linux.
Can I use TeamCity for free?
Both have a free tier, so you can try either at no cost before committing.
What is TeamCity best used for?
TeamCity is most often used for running build and test pipelines for enterprise software teams, self-hosting ci/cd infrastructure behind a firewall, coordinating multi-stage build chains with dependencies, scaling build capacity with additional agents. Of those, running build and test pipelines for enterprise software teams and self-hosting ci/cd infrastructure behind a firewall are not what Unleash is typically brought in for.
What can TeamCity do that Unleash cannot?
TeamCity covers Build Chains, Parallel Test Execution, VCS Integration, Build History & Analytics. Unleash covers Feature flags, A/B/n testing, Custom targeting, SDKs.

Answered from the vendors’ own pages

Unleash: What does Unleash cost?

Unleash offers a Pay-As-You-Go cloud plan at $75/seat/month with a 14-day free trial, plus a custom-priced Enterprise plan for self-hosted or hybrid deployments.

Source
Unleash: How is usage metered?

The Pay-As-You-Go plan includes 53M API requests per month, with additional traffic billed at $5 per million requests thereafter.

Source
Unleash: What does Unleash integrate with, and is there an API?

Unleash provides an API and 25+ official SDKs across languages, along with SSO integrations via SAML 2.0 and OpenID Connect.

Source
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