vioscale
Feature Flag SoftwareUnclaimed

Flagsmith

Visit websiteCompare alternatives
Also known as
flagsmith

Available worldwide

What is Flagsmith?

Open source feature flag and remote configuration platform supporting segmentation, A/B testing, and governance. Offers cloud, private cloud, and self-hosted deployment options trusted by enterprise companies.

Independently observed

Flagsmith pricing

Plans, per-tier features and add-ons, dated and linked to live pricing. Pricing changes often; always verify at source before you rely on it.

Pricing as of verify at live pricing ↗Independently observed
from $40/moSubscriptionFree tier14-day trial

From $40/month for Start-Up plan (billed annually). Free tier with 50k requests/month. 14-day free trials on paid plans.

Free

Free
Free
min 1 seats

Feature flags for building on your own

requests_per_month
50,000
  • Unlimited Feature Flags
  • Unlimited Environments
  • Unlimited Identities and Segments
  • API Access
  • Fair usage policy applies

Start-Up

$40/month billed annually or $45/month billed monthly. Includes 3 team members and 1,000,000 requests/month. 14-day free trial.
annual · min 3 seats

Feature flags for small teams

team_members
3
requests_per_month
1,000,000
  • Unlimited Feature Flags
  • Unlimited Environments
  • Unlimited Identities and Segments
  • Scheduled Flags
  • Two-Factor Authentication
  • A/B and Multivariate Testing
  • 3rd Party Integrations
  • Email Technical Support
  • API Access

Scale-Up

$250/month billed annually or $300/month billed monthly. Includes 5 team members, up to 20 total. Additional seats $50/member/month. 5,000,000+ requests/month. 14-day free trial.
annual · min 5 seats

Feature flags for growing teams

team_members
5-20
requests_per_month
5,000,000+
  • Everything in Start-Up
  • SAML/SSO Authentication
  • User Roles and Permissions
  • Unlimited Audit Log History
  • Change Requests
  • Priority email and chat technical support

Enterprise

Contact sales
Contact sales
min 20 seats

Maximum security & control

team_members
20+
requests_per_month
5,000,000+
  • Everything in Scale-Up
  • Private Cloud deployment
  • Self-Hosted deployment
  • On-premises deployment
  • Air-Gapped instances
  • LDAP and SCIM
  • Data-Driven Releases
  • Onboarding and Training
  • Enterprise SLA
  • Priority real-time technical support via chat

Add-ons

  • Additional API Calls$50 per million_api_calls
  • Additional Team Members (Scale-Up and above)$50/seat/mo

What Flagsmith does

The capabilities that matter for feature flag software, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.

Deployment
Hosting
Cloud + self-hosted
Rollout
Percentage rollout
-
Attribute / segment targeting
✓
Evaluation
Local evaluation (no call home)
-
Edge / CDN evaluation
✓
Experimentation
Built-in A/B experimentation
✓
Experiment stats engine
-
Standards
OpenFeature-compliant provider
✓
Governance
Audit logs + change approvals
✓
Stale-flag / code reference detection
-
Coverage
SDK breadth
Broad
Licensing
Self-hostable OSS core
✓
Independently observed

Platform & deployment

Independently observed
Platforms
  • Web
Deployment
  • Cloud / SaaS
  • On-premise
  • Air-gapped
  • Self-hosted

Integrations (18)

Independently observed
  • Amplitude
  • Backstage
  • Datadog
  • Dynatrace
  • GitHub
  • GitLab
  • Grafana
  • Jira
  • Mixpanel
  • New Relic
  • OpenFeature
  • Rudderstack
  • Segment
  • Sentry
  • Slack
  • Terraform
  • Snowflake
  • Redshift

Flagsmith alternatives

Other feature flag software we track, ranked by the same independent score.

Independent · unbought · dated

The Vioscale score: one lens on the evidence

Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Flagsmith, not the verdict.

Balanced composite 61 / 100
medium · 56%
Signal contributions to the composite score
SignalScoreWeightContributionEvidence
Package Downloads680.1510.3✓
Reliability500.178.8✓
Security Posture550.137.1✓
Pricing Transparency1000.077.0✓
Github Activity630.106.6✓
Capabilities810.075.7✓
Integrations370.093.5✓
Price Level500.052.4✓
Github Stars720.032.1✓
Release Cadence00.060.0-
Stackoverflow Activity00.070.0-

Computed . Re-weight it by intent, or see the full method.

All data & sourcesshow ↓

Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.

Activity

AttributeValueEvidence
Commits last 30d100mediumsource · 2026-07-31 · 65%

Adoption

AttributeValueEvidence
Github stars6,481highsource · 2026-07-31 · 90%
Package downloads weekly159,267highsource · 2026-07-31 · 85%

Features

AttributeValueEvidence
Capabilities{"hosting":"both","open_source":true,"openfeature":true,"sdk_breadth":"broad","audit_approvals":true,"edge_evaluation":true,"experimentation":true,"targeting_rules":true}mediumsource · 2026-08-05 · 60%

Integrations

AttributeValueEvidence
Count18mediumsource · 2026-08-05 · 60%

Language

AttributeValueEvidence
PrimaryPythonhighsource · 2026-07-31 · 90%

License

AttributeValueEvidence
SpdxBSD-3-Clausehighsource · 2026-07-31 · 95%

Market

AttributeValueEvidence
Availability{"hqCountry":"GB","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}highsource · 2026-08-05 · 75%

Pricing

AttributeValueEvidence
Modelfreemiumhighsource · 2026-08-05 · 80%
Price levelmidmediumsource · 2026-08-05 · 60%
Starting gbp40mediumsource · 2026-08-05 · 60%
TransparentYesmediumsource · 2026-08-05 · 60%
Free tierYeslowsource · 2026-08-05 · 48%

Reliability

AttributeValueEvidence
Status pageYesmediumsource · 2026-08-05 · 60%

Security

AttributeValueEvidence
FedrampYeshighsource · 2026-08-05 · 75%
GdprYeshighsource · 2026-08-05 · 75%
HipaaYeshighsource · 2026-08-05 · 75%
Soc2Yeshighsource · 2026-08-05 · 75%