Every free feature flags tier that clears our bar in 2026: 8 offers meet the criteria and 1 offer is demoted with a named reason. Verified pricing, recorded changes, and a published ranking method.

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Best Free Feature Flags Tools

Every free feature flags tier that clears our bar today. Updated 2026-09-11.

8 offers meet our criteria for this category and none is distinguishable from the others under any signal we record. They are listed in an order that rotates daily; here is how that order is derived. There is no top slot here to sell.
Why trust this data? Every free tier is verified against the vendor's pricing page with dates tracked. We monitor 554 pricing changes and flag vendors that have reduced or removed free tiers. Rankings start every offer at zero and can only demote. There is no signal a vendor can acquire, lobby for, or buy — there is nothing to add. A record reaches a function page when its category names the function or when it carries a subtype label that names the function. Adding a label to a record publishes it here; removing one withdraws it. No page holds a list of vendors. See all 9 feature flags offers →
1
Abby stable
Free

Open-Source feature flags & A/B testing. Configuration as Code & Fully Typed Typescript SDKs. Strong integration with Frameworks such as Next.js & React. Free plan: 1,000 events/month, 3 feature flags/remote configs, 1 A/B test, 5 environments.

Full profile Alternatives Pricing page ↗
2
Flagsmith stable
Free

Feature flags and remote config — 50K API requests/month, unlimited flags/environments/identities, A/B testing, 1 user Best for unlimited usage needs.

Full profile Alternatives Pricing page ↗
3
ConfigCat stable
Free

ConfigCat is a developer-centric feature flag service with unlimited team members (within 1 permission group). Forever Free plan: 10 feature flags, 2 environments, 2 products, 5M config JSON requests/mo, 20 GB network traffic/mo, 2 segments, 4 targeting rules/flag, 1 webhook, 7-day audit log retention. Best for unlimited usage needs.

Full profile Alternatives Compare Compare Pricing page ↗
4
GrowthBook stable
Starter / Open Source

Cloud free: 3 users, unlimited flags/experiments/traffic. Self-hosted free: unlimited everything. Warehouse Native support Best for unlimited usage needs.

Full profile Alternatives Pricing page ↗
5
Harness Feature Flags stable
Free

Feature flags (formerly Split.io) — 2 developers, 25K client MAU, unlimited flags and environments, CI/CD pipelines for rollout Best for unlimited usage needs.

Recorded, but does not affect rank:
  • discovered 2026-09-09 · effective date unknown — pricing restructured: Retracted — this record was our error (2026-09-10). The free plan now includes Harness Open Source and Litmus Chaos, and supports up to 500 users, 5 custom dashboards, and unlimited templates/custom roles. Retracted 2026-09-10: "up to 500 users, up to 5 custom dashboards, unlimited templates and custom roles" is the Essentials column of the "Essentials vs. Enterprise" comparison table on harness.io/pricing, not the Free Plan. The Free Plan card on that page lists exactly three items: Harness Open Source, Litmus Chaos, Community support. "Feature Flag" appears zero times on the page, so it states nothing about the offer this record is attached to. Source ↗
  • discovered 2026-08-28 · effective date unknown — limits reduced: Retracted — this record was our error (2026-09-10). The free plan now requires a minimum of 20 developer licenses for the Internal Developer Portal. Retracted 2026-09-10: "Minimum 20 Developer licenses must be purchased for IDP" is a licensing floor on the Internal Developer Portal, a different Harness module from the offer this record narrows. Our terms are Feature Flags — 2 developers, 25K client MAU — and an IDP minimum does not reduce them. "IDP", "minimum" and "Developer licenses" each appear zero times on harness.io/pricing today. Source ↗
Full profile Alternatives Compare Compare Pricing page ↗
6
Toggled.dev stable
Free

Enterprise-ready, scalable multi-regional feature toggles management platform. Free plan: 1 project, up to 10 toggles/project, 2 environments/project, 2 seats, unlimited MAU/clients. SDK, analytics dashboard, release calendar, and Slack notifications included. Best for unlimited usage needs.

Full profile Alternatives Compare Compare Pricing page ↗
7
LaunchDarkly stable
Developer

Feature management — unlimited seats and flags, 1K client MAU, 1 project, 3 environments, A/B testing, 5K session replays/month Best for unlimited usage needs.

Full profile Alternatives Pricing page ↗
8
Statsig stable
Free

2M+ metered events/month free, unlimited feature flags at all tiers. Includes 50K session replays. Experimentation and analytics built in Best for unlimited usage needs.

Full profile Alternatives Pricing page ↗

Demoted — and exactly why

These offers reach this page too and rank below the list above. Each one names the recorded fact behind it. A recorded limit reduction, pricing restructure or new restriction is shown on every surface where the offer appears, with its date and summary — but it does not move rank. We have change records for only 16% of vendors, and disproportionately for well-known ones, so ranking on them would demote the vendors we happen to watch most closely.

−3
Hypertune risky discovered 2026-08-28 deprecated
Free

Superseded: As of 2026-08-28, hypertune.com/pricing reads: Free: $0 / month, 1m CDN requests, 1m analytics events, Up to 3 team members, Unlimited CDN bandwidth and service connections, Unlimited MAUs / MTUs, Unlimited environments and projects, Unlimited feature flags and experiments. The service will shut down on 10th August 2026. We are not publishing our stored Hypertune terms beside it — our own pricing change record, discovered 2026-08-28, names them as the previous ones. Read what we recorded ↓ Note — discovered 2026-08-28: Hypertune is shutting down and no longer accepting new sign ups. While a free tier is still listed, it's for testing/evaluation only and the service will be discontinued on August 10, 2026. Source ↗

  • −3 free_tier_withdrawn Recorded product deprecation on 2026-08-28: Hypertune is shutting down and no longer accepting new sign ups. While a free tier is still listed, it's for testing/evaluation only and the service will be discontinued on August 10, 2026. Source: https://www.hypertune.com/pricing
Full profile Alternatives Compare Compare Pricing page ↗
Recompute today's order yourself. The order above is a permutation seeded only on the UTC date and the query key — no vendor name, slug, id or offer field is an input. The algorithm is published, so anyone can reproduce this page's order without asking us.
date
2026-09-11
query_key
best-of:Feature Flags
seed
f1092d88c465b7ecb739a5fd241607d933b40cd6f94156756428d918c2ee6cdf
tie_count
8

Quick Comparison

Vendor Free Tier Key Limits Stability Verified
Abby Free Open-Source feature flags & A/B testing. Configuration as Code & Fully Typed Typescript SDKs. Strong integration with Fr... stable 2026-07-04
Flagsmith Free Feature flags and remote config — 50K API requests/month, unlimited flags/environments/identities, A/B testing, 1 user stable 2026-09-09
ConfigCat Free ConfigCat is a developer-centric feature flag service with unlimited team members (within 1 permission group). Forever F... stable 2026-08-27
GrowthBook Starter / Open Source Cloud free: 3 users, unlimited flags/experiments/traffic. Self-hosted free: unlimited everything. Warehouse Native suppo... stable 2026-08-28
Harness Feature Flags Free Feature flags (formerly Split.io) — 2 developers, 25K client MAU, unlimited flags and environments, CI/CD pipelines for ... stable 2026-07-24
Toggled.dev Free Enterprise-ready, scalable multi-regional feature toggles management platform. Free plan: 1 project, up to 10 toggles/pr... stable 2026-07-07
LaunchDarkly Developer Feature management — unlimited seats and flags, 1K client MAU, 1 project, 3 environments, A/B testing, 5K session replay... stable 2026-07-23
Statsig Free 2M+ metered events/month free, unlimited feature flags at all tiers. Includes 50K session replays. Experimentation and a... stable 2026-09-09

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