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    Flagsmith

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    Manage feature flags across web, mobile and server side applications. Deliver true Continuous Integration.

    Ratings and reviews

    4.8
    37 ratings
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    37 external reviews
    External reviews are from G2 .

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    Reviews (37)
    Dan B.

    Empowering Safe, Fast, and Controlled Feature Releases

    Reviewed on Sep 01, 2025
    Review provided by G2
    What do you like best about the product?
    Unlike other providers, Flagsmith gives us the perfect balance of power and simplicity: enterprise-grade control without unnecessary complexity. It makes safe, targeted rollouts easy, gives our product and engineering teams the same clear view and adapts seamlessly to different environments. We found Flagsmith faster to integrate, more transparent, and better aligned with how our modern team want to ship features.

    Flagsmith’s customer support has been excellent: responsive, knowledgeable and genuinely invested in our success. Compared to other providers, the team feels more like a partner than a vendor, helping us get up and running quickly and connected with us on Slack for technical support.
    What do you dislike about the product?
    There’s very little to dislike - Flagsmith does what it promises really well. If anything, we’d love to see even more built-in analytics and experimentation features to extend beyond feature flags.
    What problems is the product solving and how is that benefiting you?
    Flagsmith helps us separate deployments from releases, so we can ship code safely and frequently without worrying about unfinished features going live. It reduces risk by letting us roll out new functionality gradually, starting with internal users before exposing it to customers. The platform also gives both product and engineering teams clear visibility into what’s toggled on or off, which improves alignment and speeds up decision-making. Overall, it’s made our releases faster, safer, and more customer-focused.
    Daniel B.

    Fast and effective

    Reviewed on Jul 28, 2025
    Review provided by G2
    What do you like best about the product?
    Take dev effort out of the process of rolling out your features to the right audiences
    What do you dislike about the product?
    Having to use dev effort to clean up the code for the feature flag after releasing to all users
    What problems is the product solving and how is that benefiting you?
    Fast go to market for user validation in production and pilot group feedback to strengthen the product
    Uday S.

    User Friendly UI and Features

    Reviewed on Jul 22, 2025
    Review provided by G2
    What do you like best about the product?
    Very easy to integrate
    Easy to manage flags
    Never had the issue with the downtime
    What do you dislike about the product?
    initially we were not aware that feature specific segments count towards the total limit on the segment. Later Merged all related segments to be under limit
    What problems is the product solving and how is that benefiting you?
    Enabling Features per customer
    Olivier H.

    An efficient way to split your release from your deployment cycles

    Reviewed on Jun 19, 2025
    Review provided by G2
    What do you like best about the product?
    Flagsmith offers a clear UI that both technical and business user have no problem to understand.

    Managing flags and integrating them in our workflow is straightforward and does not get in the way, without hiding everything behind dark magic.

    Last but not least, its integration with the
    OpenFeature standard give us great testing capabilities and reduce the fear of vendor locking
    What do you dislike about the product?
    I wish the Jira integration would also work with on-prem instances
    What problems is the product solving and how is that benefiting you?
    Flagsmith offers a clear view on which features are active in which environments, which greatly simplify the deployment lifecycle and gives the business more confidence in the rollout of new features.
    Retail

    A Very Capable Flag Management Tool

    Reviewed on Mar 11, 2025
    Review provided by G2
    What do you like best about the product?
    Flagsmith has been a remarkably easy to use and performant flagging solution for our enterprise. Not only does it have the segmentation capabilities that we were looking for, but it's auditing capabilities and its integration with downstream tooling has been extremely helpful. Additionally, thanks to its terraform drivers, we've been able to automate and manage through source control our configuration. Finally, the fact that it can be self-hosted means that we are able to meet our security requirements.
    What do you dislike about the product?
    The only real disadadvantage we've run into so far is that there isn't an integration with JAM stack providers like Vercel. I suspect that in time, this will not be an issue.
    What problems is the product solving and how is that benefiting you?
    It has improved deployment safety by allowing quick rollbacks and environment-specific configurations. For us, this streamlines e-commerce feature releases, improve experimentation capabilities, and, thanks to its self-hosted option, ensures security compliance.
    Program Development

    Excellent Product and Outstanding Support – A Pleasure to Work With!

    Reviewed on Mar 09, 2025
    Review provided by G2
    What do you like best about the product?
    Working with Flagsmith has been a fantastic experience. Their product is top-notch—high-quality, reliable, and well-designed. The support team has been incredibly responsive and helpful, making implementation smooth and hassle-free. It’s been a pleasure collaborating with them, and I highly recommend Flagsmith to anyone looking for a robust feature flagging solution!
    What do you dislike about the product?
    Nothing really, they had all functions we were looking for
    What problems is the product solving and how is that benefiting you?
    Minimize branching
    bhargav m.

    Awesome Open Source Feature Flag Tool

    Reviewed on Oct 10, 2024
    Review provided by G2
    What do you like best about the product?
    What I love about Flagsmith:
    ✅ Supports a wide variety of programming languages
    ✅ Offers powerful segmentation for targeted rollouts
    ✅ Provides analytics to track feature performance
    ✅ Ensures security with audit logs and role-based access control
    What do you dislike about the product?
    Nothing so far, Increasing the integration capabilities to make the product more accessable from different platforms.
    What problems is the product solving and how is that benefiting you?
    I have explored this as part of my opensource tools exploration and found this tool is just amazing for feature management.
    Computer Software

    A robust, affordable solution for remote config and feature flag /toggle!

    Reviewed on Sep 24, 2024
    Review provided by G2
    What do you like best about the product?
    Flexibility, ease of use, work-flows, organization
    What do you dislike about the product?
    Not much to complain about here, maybe that it's not completely free?
    What problems is the product solving and how is that benefiting you?
    Feature / toggling and remote config and segmentation / AB testing
    Matt W.

    Frictionless!

    Reviewed on Jul 10, 2024
    Review provided by G2
    What do you like best about the product?
    The quick start guide, UI and library functionality works exactly as you would expect. I rolled my own feature flag systems in the past and now that Flagsmith exists as a mature product, there would never be a good reason to again!
    What do you dislike about the product?
    Nothing so far - my current usage is fairly routine.
    What problems is the product solving and how is that benefiting you?
    Feature flag system that caches local state and integrates well with my choice of tech stack. Benefits me through a simple, discoverable UI and clear documentation.
    Eddie J.

    Great feature flag tool!

    Reviewed on Jul 09, 2024
    Review provided by G2
    What do you like best about the product?
    It is Open Source! Quick and easy to integrate, then all the powerful features come alive. Plus great support from the team.
    What do you dislike about the product?
    Nothing, I really enjoy using it. Highly recommend.
    What problems is the product solving and how is that benefiting you?
    Decoupling release from deployment and allowing non coders to change text and public features.