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FlagShark doesn't replace LaunchDarkly. It finishes what LaunchDarkly starts. LD handles targeting, rollouts, and kill switches. We open the cleanup PR for the flag that's been sitting at 100% rollout for six months.
Built for the creation phase. SDKs in every language. Mature targeting rules. Real-time evaluation. The reason your team adopted it in the first place.
Built for the retirement phase. AST-based scanner across 12 languages. Cleanup PRs you review in 30 seconds. The thing LaunchDarkly's dashboard can't do.
LaunchDarkly is genuinely excellent at the lifecycle phases it owns. If you're evaluating whether to use LD as your flag platform, the answer is probably yes. Here's what it does well that FlagShark doesn't try to replace.
LaunchDarkly can tell you that checkout_v2_redesign hasn't evaluated in 90 days. It can't open the PR to remove it from your codebase. That's where we live.
FLAG PLATFORM LaunchDarkly | ★ CLEANUP LAYER FlagShark | |
|---|---|---|
| Flag targeting & rollouts | ● | not applicable |
| Kill switches | ● | not applicable |
| Stale flag detection (dashboard view) | ● | ● |
| Automated cleanup PRs | ● | ● |
| Code-level flag removal | ● | ● |
| GitHub-native workflow (PR comments) | ● | ● |
| Works with other flag providers | ● | ● |
| Dashboard focus | flag state | cleanup velocity |
A feature flag has seven phases of life. The first four are creation and management. The last three are retirement. Two tools, one timeline.
LaunchDarkly charges based on Monthly Active Users (MAU) and flag evaluations. Every time your code checks a flag, that's a billable event.
More flags in your codebase means more evaluations, which means higher revenue for LaunchDarkly. A tool that helps you remove flags would directly reduce their own billing metric.
This isn't a criticism. It's just business reality. The incentive to ship cleanup tooling sits with someone who doesn't bill on flag count. That's why cleanup needs to come from a neutral third party.
ldClient.boolVariation("show-new-checkout", user, false)Monitor metrics in LaunchDarkly, adjust targeting as needed
The flag is now "always on". Time to remove it from code
Automatic detection based on LaunchDarkly state + code analysis
AST-based removal preserves the "on" branch, removes flag checks, updates tests
Code is cleaner, LaunchDarkly flag is safely archived, billing goes down
We'd rather lose a customer than mis-sell them. If your situation matches the below, LaunchDarkly's Code References feature is genuinely sufficient. Save the $49/mo.
Switch to FlagShark when: you have multiple flag vendors, you have 50+ active flags, you want PR-inline comments instead of dashboard hunting, or you want a managed service that ships updates without you upgrading.
.flagshark.yaml file. FlagShark's provider-agnostic approach means it detects and cleans up all your flags, regardless of source.Install the free Action. Keep your LaunchDarkly setup. Get your first cleanup PR within the hour.
Free forever for 3 repos · works alongside any LaunchDarkly plan