This article compares five feature flag tools for Haskell developers: Tggl.io, Unleash, Flagsmith, LaunchDarkly, and Split. The comparison takes into account pricing, ease of use, and key features offered by each tool. Tggl.io is the top pick due to its balance between ease of use and rapid Haskell integration, affordable pricing, and comprehensive feature set even in its most basic plan. Unleash, Flagsmith, LaunchDarkly, and Split are also evaluated for their features, usability, and cost-effectiveness. The choice among these tools will depend on the specific needs and priorities of Haskell developers.