Featureflip vs Flagsmith
Flat pricing vs API-request metering, hosted SaaS vs OSS self-host — a 2026 comparison.
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Featureflip and Flagsmith solve the same problem from opposite directions. Flagsmith is open-source (Apache 2.0) with a free self-hosted edition and a usage-metered SaaS that charges per million API requests. Featureflip is a closed-source SaaS with flat monthly pricing and unlimited evaluations. Pick Flagsmith if you want to self-host or run on the open-source edition. Pick Featureflip if you want predictable flat billing for a hosted product without API-request accounting and without operating your own infrastructure.
At a glance
Five-row summary. Detail in the sections below.
| Featureflip | Flagsmith | |
|---|---|---|
| Starting price | $0/mo Solo (1 user, 10 flags) | $0/mo SaaS (1 user, 50K req/mo) or free OSS self-host |
| Paid tier (small team) | $39/mo annual Pro — 10 users, unlimited flags & evaluations | $40/mo annual Start-Up — 3 users, 1M API req/mo |
| Open source | No (closed-source SaaS) | Yes (Apache 2.0) |
| Self-hostable | Enterprise only | Yes, free (community edition) |
| Pricing model | Flat — unlimited evaluations | Metered — $50 per additional million API requests |
Pricing comparison
The biggest practical differences between Featureflip and Flagsmith are the pricing model (flat vs metered) and the hosting model (SaaS-only vs SaaS-or-OSS).
Featureflip pricing
As of May 5, 2026.
- Solo — $0/mo. 1 project, 10 flags, 2 environments, 1 user, 7-day audit log. Free forever.
- Pro — $49/mo ($39/mo annual). 10 projects, 10 team members, 5 environments, unlimited flags, 30-day audit log.
- Business — $149/mo ($119/mo annual). 25 projects, 25 team members, unlimited environments, unlimited flags, 90-day audit log.
- Enterprise — custom ([email protected]). Adds self-hosted deployment, SSO/SAML/SCIM, custom data retention, dedicated SLA.
No per-seat fees. No per-API-request fees. Unlimited evaluations on every plan. See the full pricing page.
Flagsmith pricing
As of May 5, 2026, sourced from flagsmith.com/pricing. We re-verify quarterly.
- Free — $0/mo SaaS. 50K API requests/month, 1 team member, unlimited flags/environments/identities. Overage $50 per million. Or self-host the Apache 2.0 community edition for $0 in license fees.
- Start-Up — $40/mo annual ($45 monthly). 1M API requests/month, 3 team members, unlimited projects, scheduled flags, 2FA, A/B/MVT testing, third-party integrations. 14-day trial. Overage $50/M.
- Scale-Up — $250/mo annual ($300 monthly). 5M API requests/month, 5 team members included, additional members at roughly $50–60/seat/month, SAML/SSO, RBAC, change requests, audit logs, priority support. Overage $50/M.
- Enterprise — Custom. LDAP/SCIM, dedicated SLA, real-time chat support, on-prem and air-gapped hosting.
Worked example: small team, 50K-MAU SaaS, 8 engineers
- Featureflip Pro: $39/mo annual = $468/year, 10 seats included, unlimited evaluations.
- Flagsmith Start-Up doesn't fit: only 3 seats included — 8 engineers forces Scale-Up at $250/mo annual = $3,000/year base, plus 3 additional seats at $50–60/seat/mo = +$1,800–2,160/year. Total $4,800–5,160/year.
For a hosted small team at this profile, Featureflip Pro is roughly 10× cheaper.
Worked example: tiny team, 1–3 engineers
- Featureflip Pro annual: $39/mo = $468/year, 10 seats included.
- Flagsmith Start-Up annual: $40/mo = $480/year, 3 seats included.
Featureflip Pro is $12/year cheaper at the entry tier and includes seven spare seats — no Scale-Up cliff at the fourth hire.
Worked example: high-traffic backend
A backend service evaluating flags 100 million times per month (mobile API, ad-serving path, IoT fleet):
- Featureflip Pro or Business: $49–149/mo flat. Unlimited evaluations.
- Flagsmith Scale-Up: 5M included, 95M overage at $50/M = +$4,750/mo on top of plan.
For high-traffic API surfaces, the Featureflip flat-rate model compounds in your favour every month.
Pricing TL;DR
- Want a free flag platform you'll operate yourself — Flagsmith OSS.
- Want hosted SaaS with flat pricing and unlimited evaluations — Featureflip is cheaper at every team size.
- Run a high-traffic backend where API-request metering becomes painful — Featureflip's flat plan removes the variable.
Feature comparison
Verified against the Featureflip codebase and Flagsmith's public documentation as of May 5, 2026.
| Feature | Featureflip | Flagsmith |
|---|---|---|
| Core flags | ||
| Boolean flags | ✅ | ✅ |
| Multivariate flags (string, number, JSON) | ✅ | ✅ |
| Percentage rollouts | ✅ | ✅ |
| Real-time updates | ✅ (SSE streaming) | ✅ (real-time flags) |
| Sub-millisecond local evaluation | ✅ | ✅ |
| Edge / global low-latency runtime | ❌ | ✅ (Edge API) |
| Kill switches | ✅ | ✅ |
| Targeting | ||
| User targeting | ✅ | ✅ (identities) |
| Custom attributes / traits | ✅ | ✅ |
| Segments / cohorts | ✅ | ✅ |
| AND/OR condition groups | ✅ | ✅ |
| Server-side stored identity / trait API | ❌ | ✅ |
| Workflow | ||
| Multi-environment | ✅ | ✅ |
| Audit log | ✅ (7d / 30d / 90d by plan) | ✅ (Scale-Up+) |
| Scheduled changes | ❌ | ✅ (Start-Up+) |
| Approval workflows / change requests | ❌ | ✅ (Scale-Up+) |
| Code references (auto-detect flag usage in repo) | ❌ | ❌ |
| 2FA | ✅ | ✅ (Start-Up+) |
| Experimentation | ||
| A/B / multivariate variation assignment | ✅ | ✅ |
| Built-in experiment analysis (significance, lift) | ❌ (use external analytics) | ❌ (use external analytics) |
| Open source & hosting | ||
| Open-source license | ❌ | ✅ (Apache 2.0) |
| Free self-hosted edition | ❌ | ✅ |
| Hosted SaaS | ✅ | ✅ |
| Air-gapped / on-prem | ✅ (Enterprise) | ✅ (Enterprise) |
| Enterprise | ||
| SSO | ✅ (Enterprise) | ✅ (Scale-Up+) |
| SAML / SCIM | ✅ (Enterprise) | ✅ (Scale-Up / Enterprise) |
| Custom roles / RBAC | ✅ | ✅ (Scale-Up+) |
| Pricing | ||
| Per-seat fees | — (none) | ✅ ($50–60/seat over Scale-Up cap) |
| Per-API-request fees | — (none) | ✅ ($50/M overage) |
| Free SaaS tier | ✅ (Solo, 10 flags) | ✅ (50K req/mo) |
| Free self-host tier | ❌ | ✅ |
SDK and platform support
The two products overlap heavily on the major server and client surface. Both ship JavaScript, Node.js, Python, .NET, Go, PHP, Ruby, React, iOS, Android, and Flutter SDKs. Featureflip adds an officially-supported Java server SDK and a dedicated Browser SDK. Flagsmith adds Rust and an Edge API for sub-50ms global propagation.
If your stack uses Rust or you need a global edge runtime today, Flagsmith is the better fit. If you need an officially-supported Java SDK, Featureflip is the better fit. For everything else, both work.
See the Featureflip SDK overview for the current supported list.
Where each tool wins
Honest is faster than balanced. Use whichever column matches your situation.
Pick Flagsmith when…
- You want to self-host for free. Apache 2.0 license, no fees, full feature set in the community edition. The right choice if you have a platform team and prefer running infrastructure to paying for it.
- You need an edge runtime. Flagsmith's Edge API ships flag evaluation closer to your users for sub-50ms propagation worldwide.
- You need scheduled flag changes or approval workflows out of the box. Both are still on the Featureflip roadmap.
- Your stack uses Rust. Flagsmith ships a Rust SDK; Featureflip does not.
- You're already standardised on Flagsmith's identity API model (server-side stored traits) and don't want to refactor.
Pick Featureflip when…
- You want flat pricing with unlimited evaluations. No API-request metering, no overage surprises, no forecasting evaluation budgets. The plan number is the bill.
- You're a high-traffic SaaS or mobile app. Flagsmith's $50-per-million overage compounds; Featureflip's flat fee doesn't. The break-even is roughly 10M API requests/month — past that, Featureflip is cheaper every month.
- You're on hosted SaaS at any team size. Featureflip Pro at $39/mo annual includes 10 seats vs Flagsmith Start-Up's 3 — and stays $39/mo through your tenth hire. Flagsmith jumps to $250/mo Scale-Up at the fourth hire.
- You don't want to operate flag infrastructure. No DB hosting, version upgrades, monitoring, or on-call rotation. Hosted is the trade-off.
- You want a focused flag UI. No identity stores, no trait management, no remote-config layer to learn first. Flags, segments, environments — that's it.
- You want predictable annual budgeting. The flat fee is forecastable a year out without modelling traffic growth.
Migrating from Flagsmith to Featureflip
Most teams choose at adoption time rather than migrating. If you're switching, here's what changes.
Concept mapping
The core data model translates cleanly. Most flag definitions move 1:1.
| Flagsmith | Featureflip | Notes |
|---|---|---|
| Identity | User / context | Featureflip context is passed per evaluation, not stored server-side |
| Trait | Custom attribute | Same shape — string, number, boolean values on the user context |
| Segment | Segment | 1:1 — recreate via the Featureflip dashboard |
| Multivariate flag | Multivariate flag | Boolean, string, number, or JSON variations on both sides |
| Percentage rollout | Percentage rollout | Deterministic-hash bucketing on both sides |
Things to plan for
- Identity API → per-call context. Flagsmith stores user traits server-side via the Identity API. Featureflip SDKs pass context with each evaluation. Expect a small refactor at the SDK call site, not a rewrite.
- Scheduled changes. No Featureflip equivalent yet, and there's no public flag-management API to script around it. Replace with deploy-gated flips — flip the flag from the dashboard at deploy time, or land the deploy and toggle the flag manually at the scheduled moment.
- Approval workflows / change requests. Roadmap on Featureflip. Until those ship, dashboard-based RBAC and the audit log are the available controls — restrict who can edit production flags and review changes after the fact via the audit log.
- Self-hosted Flagsmith cost math. Compare your current spend (DB hosting, container runtime, CI for upgrades, on-call hours) against Featureflip's monthly fee. Hosted wins when the operational cost exceeds the plan price.
Frequently asked questions
- Is Flagsmith open source and Featureflip not?
- Yes. Flagsmith is licensed Apache 2.0 with a free, fully-featured self-hosted edition — Docker, Kubernetes, OpenShift. Featureflip is a closed-source SaaS; self-hosting is available only on the Enterprise plan. If running your own flag infrastructure for $0 in license fees is the requirement, Flagsmith is the right pick. If you would rather pay a flat monthly fee than operate the database, application, and on-call rotation yourself, Featureflip is built for that trade-off.
- Is Flagsmith cheaper than Featureflip?
- Only if you self-host the open-source edition. On hosted SaaS, Featureflip is cheaper at every team size. Featureflip Pro is $39 per month annual ($49 monthly) with 10 seats included; Flagsmith Start-Up is $40 per month annual ($45 monthly) with 3 seats included. The 4th hire forces Flagsmith Scale-Up at $250 per month annual — Featureflip Pro at $39 stays flat through 10 seats. For high-traffic apps the gap widens because Featureflip evaluations are unlimited while Flagsmith bills $50 per million API requests over plan.
- Does Featureflip charge per API request or evaluation like Flagsmith?
- No. Every Featureflip plan includes unlimited evaluations. Flagsmith meters API requests: 50,000 per month free, 1 million on Start-Up, 5 million on Scale-Up, with $50 per additional million across all paid tiers. For a backend service evaluating flags 100 million times per month, Flagsmith would add roughly $4,750 per month in overage on top of plan; Featureflip stays at $49–149 per month flat.
- Can I self-host Featureflip like Flagsmith?
- Self-hosting is available on Featureflip Enterprise. It is not part of the free or Pro tiers. Flagsmith's free Apache 2.0 self-host is the cheaper path if running your own flag platform is non-negotiable — there is no license fee and no seat cap on the community edition. The trade-off is operational ownership: database hosting, version upgrades, monitoring, and the on-call cost when something breaks. If those costs exceed Featureflip's monthly fee for your team, hosted is the better fit.
- Does Featureflip support multivariate and A/B testing like Flagsmith?
- Yes — Featureflip supports boolean, string, number, and JSON variations with deterministic-hash percentage rollouts. The bucketing is consistent across sessions and devices, which is the property that makes A/B data analysable. Neither Featureflip nor Flagsmith ships a built-in significance and lift dashboard — both expect you to instrument variation assignment into your own analytics (Mixpanel, Amplitude, your warehouse) and compute results there. LaunchDarkly is the major vendor that bundles the analysis.
- What SDKs do Featureflip and Flagsmith support?
- Heavy overlap on the major server and client surface. Both ship JavaScript, Node.js, Python, .NET, Go, PHP, Ruby, React, iOS, Android, and Flutter. Flagsmith adds Rust and an Edge API for sub-50ms global propagation. Featureflip adds an officially-supported Java SDK and a dedicated Browser SDK. If your stack uses Rust today or you need an edge runtime for client-side flags worldwide, Flagsmith is the better fit.
Ready to try Featureflip?
Start free on the Solo plan — 10 flags, 2 environments, no credit card.
Related
Featureflip vs LaunchDarkly
Featureflip's other major head-to-head — flat pricing vs LaunchDarkly's bundled platform.
Flagsmith alternatives guide
If you're not yet sold on Featureflip — a broader six-vendor comparison including Unleash, ConfigCat, GrowthBook, and PostHog.
Featureflip vs ConfigCat
Both flat-priced, no per-MAU fees. The wedge is project ceilings and SSO availability — ConfigCat ships SSO on free, Featureflip is cheaper per project.
Featureflip pricing
$0 / $49 / $149 per month, flat. The plan details and FAQ behind the comparison.
Methodology: All Flagsmith information was sourced from public documentation (pricing, product, SDK reference) as of May 5, 2026. We re-verify pricing and feature claims quarterly. Featureflip is our product. Comparison reflects publicly stated capabilities; specific entitlements may vary by contract.
Published by Canopy Labs LLC.