DevCycle vs GO Feature Flag
DevCycle
devcycle.com
GO Feature Flag
gofeatureflag.orgSide by side
| Figure | DevCycle | GO Feature Flag |
|---|---|---|
| Price from | $625/mo | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | Yes | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | — | Yes |
| Plans published | 3 | 2 |
| Spec score · Feature Flag Software | 9.4 (#1) | 7.8 (#17) |
| Extensibility | DevCycle documents outbound webhooks, a complete API and CLI for custom automation. | Custom retrievers, exporters, and notifiers can be implemented through Go interfaces. |
| License | The public SDK and proxy repositories display MIT licenses, while the hosted DevCycle service itself is proprietary SaaS. | The project is 100% open source under the MIT license, and the site says the license permits commercial use. |
| Product | DevCycle is a feature flag platform for creating, rolling out, and cleaning up feature flags. | GO Feature Flag is an open-source feature flag management system built on OpenFeature and designed to run on infrastructure you already have. |
| Support | The pricing page lists email support for all plans, shared Slack, migration assistance and SLA options on higher tiers. | Community support is included with the free plan; paid enterprise support includes premium support and an SLA on CVE fixes. |
Plans
In their own words
DevCycle
DevCycle is a feature flag platform for creating, rolling out, and cleaning up flags. Teams can target releases using user attributes, then release them gradually, on a schedule, or in multiple steps. A/B and multivariate experiments can be measured with events and metrics, and APIs allow remote management of flags, targeting, rollouts, and experiments.
Its client SDKs include JavaScript, React, Next.js, Angular, iOS, Android, React Native, Flutter, and Roku. Server SDKs cover Node.js, Go, PHP, Python, Ruby, Java, and.NET. DevCycle supports OpenFeature across its SDKs. Listed integrations include VS Code, Slack, GitHub, Bitbucket, GitLab, Jira, Terraform, Datadog, Snowflake, Google Analytics, and Rollbar.
GO Feature Flag
GO Feature Flag is an open-source feature-flag management system built on OpenFeature for infrastructure you control. Its relay proxy runs locally with Docker and a flag configuration file. Teams can target users and segments, use percentage or progressive rollouts, schedule changes, and run A/B tests. Client and server SDKs are listed for 16 languages and frameworks, including JavaScript, TypeScript, React, Swift, Kotlin, Go, Java, Python,.NET, Ruby, Rust, and others. Retrievers load configuration from HTTP(S), local files, Kubernetes ConfigMaps, cloud storage, Git providers, MongoDB, Redis, and PostgreSQL. Exporters send evaluation data to Kafka, AWS S3, BigQuery, OpenTelemetry, webhooks, or logs. Notifications can reach Slack, Discord, Microsoft Teams, webhooks, or logs. The MIT-licensed Opensource plan costs nothing, billed forever, with all features, unlimited flags, and community support.