ConfigCat vs Unleash
ConfigCat
configcat.comUnleash
getunleash.ioSide by side
| Figure | ConfigCat | Unleash |
|---|---|---|
| Price from | $110/mo | $6.25/mo |
| Free plan | Yes | Yes |
| Free trial | — | Yes |
| Open source | — | Yes |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | Yes | Yes |
| Linux | — | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 5 | 7 |
| Spec score · Release Management Software | 8.4 (#7) | 8.6 (#4) |
| Spec score · Feature Flag Software | 8.5 (#9) | 8.7 (#8) |
| Headquarters | 1136 Budapest, Tátra u. 5/A, Hungary | Oslo, Norway |
| Integrations | Listed integrations include Amplitude, Bitbucket, CircleCI, Datadog, GitHub, GitLab, Jira, Slack, Terraform, Zapier, and others. | Official integrations include Datadog, Jira Cloud, Microsoft Teams, ServiceNow, Slack and generic webhooks; community integrations include Fastify, Quarkus, Vue and New Relic. |
| Plan limits | All listed plans have unlimited seats, service connections, monthly active users and contexts, and feature flag reads; config JSON downloads and network traffic have plan limits. | The free Open Source instance is limited to 1 project, 2 environments, and 5,000 feature flags, and does not include SSO, SCIM, granular RBAC, change request approvals, or a support SLA. |
| SDKs | ConfigCat provides open source SDKs for mobile, desktop, website, and backend applications, including JavaScript, .NET, Android, iOS, and macOS. | Unleash lists 25+ SDKs for languages and frameworks including Node.js, Java, Go, Python, .NET, React, Android, and iOS. |
| Security | ConfigCat says flags are evaluated client-side, user data stays in the customer's system, and it stores flag values and targeting rules; SDK keys are 256-bit and rotatable. | The pricing page lists SOC 2 Type II and GDPR compliance, SSO via SAML 2.0 or OpenID Connect, role-based access control, and audit log retention of up to two years. |
| Support | The company offers chat or email with its development team and a community Slack, while plan support ranges from best effort to premium SLA. | Pay-As-You-Go includes standard support with a one-business-day response target; Custom Enterprise offers standard or premium support and severity-based response times. |
Plans
ConfigCat
- Forever FreeFree
- Pro$110 a month
- Smart$325 a month
- Enterprise$900 a month
- Dedicated$4,500 a month
Unleash
- Open SourceFree
- Unleash Open SourceFree
- Cloud-hosted Pay-as-you-go$75 a month
- Pay-As-You-Go$75 a month
- Self-hosted Pay-as-you-go$75 a year
- Custom EnterprisePriced on request
- Enterprise customPriced on request
In their own words
ConfigCat
ConfigCat is a hosted feature flag and configuration management service for controlling features after code is deployed. Teams can target users, roll out changes by percentage, run A/B tests, and use variations. Open-source SDKs support mobile, desktop, website, and backend applications, with languages including JavaScript,.NET, Android Java, iOS Swift, Kotlin Multiplatform, Python, Go, and Rust. Listed integrations include GitHub, GitLab, Jira, Slack, Terraform, Datadog, and others. ConfigCat says flags are evaluated on the client, user data remains in the customer's system, and the service stores flag values and targeting rules; SDK keys are 256-bit and rotatable. It states that it is ISO/IEC 27001:2022 certified and offers EU-only data governance. Plans include unlimited seats, service connections, monthly active users, contexts, and feature flag reads, but limit config JSON downloads and network traffic. The Forever Free plan is free; Pro is $110 a month, billed monthly. Higher listed plans range from $325 a month to $4,500 a month.
Unleash
Unleash is a feature management platform for controlling software behavior and releases in production without redeploying code. Teams can stage progressive rollouts, roll back instantly, apply release templates, and use kill switches. Its experimentation tools include A/B/n testing, flag variants, user segmentation, and stickiness. Flags are evaluated in SDKs or at the edge rather than on the Unleash server. The service lists more than 25 SDKs, including options for Node.js, Java, Go, Python,.NET, React, Android, and iOS. Listed integrations include Slack, Teams, Datadog, Jira, webhooks, and Admin, Frontend, and Client APIs. The free Open Source instance allows no seat limit but is restricted to one project, two environments, and 5,000 flags; it lacks SSO, SCIM, granular RBAC, change-request approvals, and a support SLA. Pay-As-You-Go costs $75 a month, billed monthly, and has a 14-day trial without a credit card. Enterprise can be hosted, self-hosted, or hybrid, with US or EU data residency available.