
Flagsmith
8.6#1 in release management softwareFrom $40 a monthFree planAndroidiOSWebAPI
Visit
| Fact | Flagsmith | Unleash |
|---|---|---|
| Deployment | Flagsmith offers hosted cloud, private cloud, and self-hosted deployment options. | Unleash Enterprise is offered as hosted cloud, self-hosted, or hybrid, with a hosted private instance available as an Enterprise add-on. |
| Documentation and support | Documentation covers quickstarts, concepts, SDKs, REST API, integrations, administration, self-hosting, release notes and contribution guidance; support channels include email/helpdesk, knowledge base, chat and Discord. | The documentation includes quickstarts, tutorials, guides, Learning Lab content, SDK references, API references, integration pages and release notes. |
| Experimentation | Flagsmith supports A/B and multivariate testing and reports experiment impact metrics. | Variants carry weights and payloads for A/B or multivariate experiments with user stickiness. |
| Feature flags | Flags can be boolean or multivariate and decouple deployment from release. | Flags belong to projects and can have different activation strategies in each environment. |
| Governance | Scale-Up includes SAML/SSO, roles, permissions, change requests, and audit logs. | Enterprise provides project and custom roles, user groups, change-request approvals and audit trails. |
| Headquarters | London, England | Oslo, Norway |
| Integrations | Native integrations include Amplitude, Datadog, Dynatrace, GitHub, GitLab, Grafana, Jira, Mixpanel, New Relic, Segment, Sentry, Slack, Terraform and warehouse tools. | Official integrations include Datadog, Jira Cloud, Microsoft Teams, ServiceNow, Slack and generic webhooks; community integrations include Fastify, Quarkus, Vue and New Relic. |
| License | The public Flagsmith repository is identified as BSD-3-Clause licensed. | The main source repository uses AGPLv3 from version 8 onward; earlier source versions used Apache 2.0 and official open-source Docker images remain Apache 2.0. |
| Rating on G2 | 4.8 out of 5 from 37 reviews | 4.7 out of 5 from 137 reviews. |
| Rating on GetApp | 4.7 out of 5 from 3 reviews | 4.8 out of 5 from 6 reviews. |
| Rating on TrustRadius | 10 out of 10 from 1 review | 10 out of 10 from 4 reviews. |
| SDK coverage | Documentation lists client and server SDKs for JavaScript, React Native, .NET, Flutter, Go, Java, Kotlin/Android, Node.js, PHP, Python, Ruby, Spring Boot and Swift/iOS. | Documentation lists server SDKs for Node.js, Java, Go, Rust, Ruby, Python, .NET and PHP plus frontend SDKs for JavaScript, React, Next.js, Vue, iOS, Android and Flutter. |
Flagsmith suits development teams that want to control staged releases or adjust app properties without deploying new code. Its cloud, private-cloud, and self-hosted options support teams with different deployment preferences.
Unleash suits software teams that need to control releases and feature behavior in production. Its enterprise deployment and governance options may suit teams with compliance, approval and scale requirements.