Staxly

Flagsmith vs Novu

Open-source feature flags + remote config — SaaS, private cloud, self-host
vs. Open-source notification infrastructure — workflows across email, SMS, push, chat, in-app

Flagsmith websiteNovu website

Pricing tiers

Flagsmith

Free
$0. 50,000 API requests/mo. 1 team member. Unlimited flags. Community support.
Free
Self-hosted
$0 (OSS). Host yourself via Docker/K8s. Fair-source license (non-compete).
$0 base (usage-based)
Start-up
$40/mo. 1,000,000 API requests/mo. 3 team members. Standard support.
$40/mo
Scale-up
$200/mo. 5,000,000 API requests. 10 team members. Priority support + SLA.
$200/mo
Enterprise
Custom. Unlimited API requests, SSO, SAML, RBAC, audit logs, on-prem.
Custom
Flagsmith website

Novu

Free
10K workflow runs/mo. All channels. 20 workflows, 2 environments, 3 team members, 24h retention.
Free
Self-hosted (OSS)
Open source (MIT). Run locally or on own infrastructure. No usage limits.
$0 base (usage-based)
Pro
From $30/mo. 30K+ runs, 7-day retention, branding removal, advanced email editor.
$30/mo
Team
From $250/mo. 250K+ runs, 10 envs, 90-day retention, RBAC, 600 RPS.
$250/mo
Enterprise
Custom. 10M+ runs, HIPAA BAA, SSO/OIDC, data residency (SG/UK/AU/JP/KR), self-hosted/VPC.
Custom
Novu website

Free-tier quotas head-to-head

Comparing free on Flagsmith vs free on Novu.

MetricFlagsmithNovu
retention1 days
workflow runs monthly10000 runs/mo
workflows20 workflows

Features

Flagsmith · 14 features

  • A/B TestingMultivariate flag splits.
  • Audit LogFull history of flag changes.
  • Change RequestsApproval workflow for flag changes.
  • Edge APIGlobal low-latency flag eval.
  • Feature FlagsBoolean + multivariate + JSON flags.
  • Local EvaluationServer SDKs eval flags locally — no per-req API call.
  • Percentage RolloutsGradual traffic ramp.
  • Remote ConfigNon-boolean config values.
  • Role-Based AccessFine-grained permissions.
  • Scheduled FlagsTime-based flag changes.
  • SegmentsRule-based targeting.
  • Self-HostingDocker/Helm install.
  • SSO + SAMLEnterprise SSO.
  • WebhooksOutbound event streaming.

Novu · 15 features

  • Activity FeedMessage-by-message delivery timeline.
  • ChatSlack, Microsoft Teams, Discord, Mattermost, WhatsApp, WeChat.
  • EmailSendGrid, Postmark, Mailgun, AWS SES, Resend, SMTP, Plunk, Mailjet, Sparkpost, M
  • InboxReact/Next/Vue/Angular in-app Inbox component.
  • LayoutsReusable email layouts with template nesting.
  • Multi-tenancyPer-tenant branding, templates, preferences.
  • Novu FrameworkCode-first workflow DSL (TypeScript) colocated with app code.
  • PreferencesPer-subscriber + global notification preferences.
  • PushAPNs, FCM, Expo, OneSignal, Pushpad, Pusher.
  • Self-hostingDocker Compose / Kubernetes deployment of full stack.
  • SMSTwilio, MessageBird, Plivo, Nexmo, Termii, Sendchamp, Africa's Talking, Kannel,
  • SubscribersSubscriber profiles with channels, preferences, topics.
  • TopicsPub/sub style subscribe many users to a topic.
  • Translationsi18n support for templates.
  • WorkflowsCode-first or visual notification workflows with steps, branches, delays.

Developer interfaces

KindFlagsmithNovu
CLIFlagsmith CLINovu CLI
SDKflagsmith-android, flagsmith-go, flagsmith-ios, flagsmith-java, flagsmith-js (browser), flagsmith-nodejs, flagsmith-python, flagsmith-rubygo-novu, @novu/api, @novu/framework, novu-java, novu-kotlin, novu-php, novu (Python), @novu/react (Inbox), novu-ruby
RESTFlagsmith REST APINovu REST API
OTHERFlagsmith Dashboard, Flagsmith WebhooksOutbound Webhooks, Self-hosted (Docker)
Staxly is an independent catalog of developer platforms. Some links to Flagsmith and Novu may be affiliate links — Staxly may earn a commission if you sign up through them, at no extra cost to you. Pricing is verified against vendor pages at publication time — reconfirm before buying.

Want this comparison in your AI agent's context? Install the free Staxly MCP server.