FeatureProbe vs Unleash
FeatureProbe
featureprobe.github.ioUnleash
getunleash.ioSide by side
| Figure | FeatureProbe | Unleash |
|---|---|---|
| Price from | — | $6.25/mo |
| Free plan | — | Yes |
| Free trial | — | Yes |
| Open source | — | Yes |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| Linux | — | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 0 | 7 |
| Spec score · Feature Flag Software | 7.6 (#22) | 8.7 (#8) |
| Deployment | The repository documents self-hosting the central service with Docker Compose. | Unleash Enterprise is offered as hosted cloud, self-hosted, or hybrid, with a hosted private instance available as an Enterprise add-on. |
| Feature flags | Feature toggles let teams gate features in the main branch and turn off problematic services or enable service degradation. | Flags belong to projects and can have different activation strategies in each environment. |
| License | The repository states that the project is licensed under Apache 2.0. | 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. |
| SDKs | The project lists SDKs for Java, Rust, Go, Python, Node.js, JavaScript, Android, iOS, Mini Program, React, and Flutter. | Unleash lists 25+ SDKs for languages and frameworks including Node.js, Java, Go, Python, .NET, React, Android, and iOS. |
| Support | The repository directs users to GitHub issues for bug reports and feature requests and mentions a community for questions. | 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
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
FeatureProbe
FeatureProbe has no write-up on Specifiction yet; its figures are above.
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.