SignaKit

LaunchDarkly's MAU charges can turn a predictable $1,440/year into a $30k+ annual contract at scale. We broke down every line of the pricing — seats, MAU, experiments, projects, add-ons — and compared it directly. signakit.com/compare/signak…

Feature toggle and feature flag are the same thing. Toggle = Fowler's 2010 term. Flag = North American engineering. Gate = Meta/Airbnb. Switch = legacy enterprise codebases. Same concept. Different dialects. signakit.com/resources/glos…

5 rules that cover 80% of feature flag mistakes: → Name every flag with a type prefix (exp_, rel_, ops_, perm_) → Every flag needs an owner and cleanup date before it goes live → Use opaque user IDs — never raw emails → Quarterly audit: any exp_ flag older than 90 days is stale → Treat your SDK key as a server-side secret Full checklist: signakit.com/resources/guid…

A test that hits 95% significance with 200 users — but needed 2,000 — is likely a false positive. Peeking at experiment results early is one of the most common ways to ship the wrong winner. We wrote the guide on how to run A/B tests correctly from hypothesis to cleanup. signakit.com/resources/guid…

SignaKit - Feature Flags & Experiments: Feature flags & A/B testing for engineering teams producthunt.com/products/signa… via @producthunt

A feature flag is a runtime switch that controls whether a feature is visible — without touching your deployment pipeline. No redeploy. No rollback. No 2am incident. We wrote the complete guide to how they work. signakit.com/resources/glos…

Your .env file is not a feature flag system. ENABLE_NEW_CHECKOUT=true looks harmless with 2 variables. At 20, you'll have a production incident that requires a full deploy to fix something that should take 10 seconds. The rule: if you'd ever want to change it without a redeploy — it's a flag. signakit.com/blog/feature-f…

You named the flag `newCheckout`. Six months later: the checkout has been live for 4 months, 3 engineers have left, and nobody remembers if it controls the design, the payment flow, or something else entirely. This is how you avoid that. → signakit.com/blog/feature-f…

SignaKit is live. Feature flags, A/B testing, multi-armed bandit optimization, and custom analytics — in one platform. No per-seat fees. No experimentation add-ons. 10 native SDKs. Free plan available. → signakit.com

We started building SignaKit because we were the customer. The one paying more every time we hired. More seats. More MAUs. More add-ons. Tomorrow we launch the tool we wished existed. 1 day.

Before: separate tools for flags, experiments, and analytics. Three invoices. Three integrations. Zero shared context. After: one SDK. Flags, A/B tests, multi-armed bandits, and events — all wired together. 2 days until launch.

We ship native SDKs for: → Node.js → React + Browser → PHP + Laravel → Python, Go, Java, Flutter 10 SDKs. Consistent API. Local evaluation on all of them. 3 days until launch.

10-person team on LaunchDarkly Pro: ~$1,440/year. Before MAU charges. Before experimentation add-ons. SignaKit Starter: $39/month. Unlimited seats. A/B testing included. Pricing that scales with usage, not headcount. 4 days until launch.

A/B testing and multi-armed bandits shouldn't be enterprise add-ons. On SignaKit they're on every plan. Including the free one. Thompson Sampling auto-optimization. No upgrade required. 5 days until launch.

Your feature flags shouldn't make a network call. SignaKit evaluates flags locally — no roundtrip, no latency hit. Sub-1ms. Deterministic. Every time. 6 days until launch.

Feature flag tools have a pricing problem. Per seat. Per MAU. Per experiment. Per add-on. We built an alternative. 7 days until we launch.