Software Development · head to head
Flagsmith vs Insomnia
Flagsmith
Software Development
Open-source feature flag and remote config platform
- From
- Free
- Rated
- -
Insomnia
Testing & QA
REST and GraphQL API client for development and testing
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Flagsmith the Free plan supports only a single team member, limiting collaboration for small teams.; Insomnia git Sync on the free tier covers up to 3 users only
- They diverge on capability: Flagsmith covers Feature flags, Insomnia covers REST API Client.
Where they differ
Only the attributes on which Flagsmith and Insomnia actually diverge.
Identical on both: starting price (Free), pricing model (freemium), free tier (Yes), user rating (Not yet rated).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Flagsmith
- Feature flags
- Segments
- A/B testing
- Scheduled flags
- SDKs
- SAML/SSO
Only in Insomnia
- REST API Client
- GraphQL Support
- gRPC Support
- GitHub
- GitLab
- Slack
- Windows support
- MacOS support
What people use each for
The jobs each tool is most often brought in to do.
Flagsmith
- Gradual feature rollouts across environmentsnot Insomnia
- Remote configuration without redeploying codenot Insomnia
- Running A/B tests tied to feature flagsnot Insomnia
- Self-hosting feature flags for data residency requirementsnot Insomnia
Insomnia
- Sending and debugging HTTP, GraphQL and gRPC requestsnot Flagsmith
- Storing collections in Git rather than a vendor cloudnot Flagsmith
- Mocking an API endpoint before it existsnot Flagsmith
- Running collections in CI with the Inso CLInot Flagsmith
- Environment management across staging and productionnot Flagsmith
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Flagsmith
- The Free plan supports only a single team member, limiting collaboration for small teams.
- Exceeding request limits triggers overage charges after a one-time 30-day grace period.
- Enterprise-grade SSO and governance are locked behind the Scale-Up and Enterprise tiers.
- Self-hosting requires operating and updating the platform yourself, unlike a fully managed SaaS competitor.
Insomnia
- Git Sync on the free tier covers up to 3 users only
- Mock servers are capped at 1,000 requests a month on free, then $10 per 25,000
- Role-based access control requires Pro at $12 per user per month
- SSO, SCIM and vault integrations are Enterprise only at $45 per user per month
- Working without an account is limited to the local-only Scratch Pad
Pricing, plan by plan
Flagsmith
Free- FreeFree
- Up to 50,000 requests/month
- 1 team member
- Unlimited feature flags, environments, identities and segments
- Start-Up$45/month
- Up to 1,000,000 requests/month
- 3 team members
- Scheduled flags, 2FA, A/B testing, integrations, email support
- Scale-Up$300/month
- 5,000,000+ requests/month
- 5-20 team members
- SAML/SSO, governance features, priority support
Insomnia
Free- FreeFree
- REST, GraphQL, gRPC support
- Local data
- Pro$5/monthly
- Cloud sync
- Team collaboration
- Advanced features
- Team$30/monthly
- Team management
- Advanced analytics
- Priority support
Which should you pick?
Choose Flagsmith if
- You need feature flags.
- You want to start without paying.
- You work on web, api.
- You also want segments.
Choose Insomnia if
- You need rest api client.
- You want to start without paying.
- You work on Windows, MacOS, Linux, Web.
- You also want graphql support.
Questions people ask
- Is Flagsmith or Insomnia better?
- Neither clearly leads. Flagsmith starts at Free and Insomnia at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Flagsmith or Insomnia?
- Flagsmith starts at Free and Insomnia at Free.
- Does Flagsmith or Insomnia run on more platforms?
- Flagsmith runs on web, api. Insomnia runs on Windows, MacOS, Linux, Web.
- Can I use Flagsmith for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Flagsmith best used for?
- Flagsmith is most often used for gradual feature rollouts across environments, remote configuration without redeploying code, running a/b tests tied to feature flags, self-hosting feature flags for data residency requirements. Of those, gradual feature rollouts across environments and remote configuration without redeploying code are not what Insomnia is typically brought in for.
- What can Flagsmith do that Insomnia cannot?
- Flagsmith covers Feature flags, Segments, A/B testing, Scheduled flags. Insomnia covers REST API Client, GraphQL Support, gRPC Support, GitHub.
Answered from the vendors’ own pages
Flagsmith: What does Flagsmith cost?
Flagsmith has a Free plan, a Start-Up plan from $40-45/month, a Scale-Up plan from $250-300/month, and custom Enterprise pricing.
SourceFlagsmith: Is there a free plan, and what are its limits?
The Free plan supports up to 50,000 requests per month and 1 team member, with unlimited feature flags, environments, identities and segments.
SourceFlagsmith: How is usage metered?
Usage is metered by monthly API requests; exceeding a plan's limit triggers overage charges starting around $50 per million requests, with a 30-day grace period the first time a paid plan exceeds its limit.
SourceRelated pages
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