Staxly

Kinde vs OneSignal

Flexible authentication, user management, and feature flags
vs. Mobile + web push, email, SMS, and in-app messaging at consumer scale

Kinde websiteOneSignal website

Pricing tiers

Kinde

Free
10,500 MAU included. MFA, B2B orgs, custom domain, 2 custom roles, 1 webhook, 2 environments.
Free
Pro
Unlimited webhooks, roles, feature flags, API keys. Remove Kinde branding. SOC 2 attestation.
$25/mo
Plus
Unlimited enterprise SSO, API scopes, org-owned M2M apps, 6 environments.
$75/mo
Scale
11 environments, custom domain per org, SCIM, MFA triggers, 30-day audit logs.
$250/mo
Enterprise
Custom. Dedicated infra option, volume discounts, custom SLAs.
Custom
Kinde website

OneSignal

Free
Unlimited mobile push, 10K web push subs, 10K email/mo, 1 journey. GDPR compliant.
Free
Growth
$19/mo + usage. 20K email/mo included, then $1.50/1K. 3 journeys. Advanced in-app.
$19/mo
Professional
Custom. Unlimited volume, 20 journeys, CSV export, prioritized support.
Custom
Enterprise
Custom. Dedicated CSM, SLA, frequency capping, advanced permissions, HIPAA options.
Custom
OneSignal website

Free-tier quotas head-to-head

Comparing free on Kinde vs free on OneSignal.

MetricKindeOneSignal
active journeys1 journeys
custom roles2 roles
email monthly10000 emails/mo
environments2 envs
feature flags10 flags
mau included10500 users/month
mobile pushUnlimited subscribers
web push subscribers10000 subscribers
webhooks1 webhooks

Features

Kinde · 14 features

  • API ScopesOAuth scopes for your APIs, enforced server-side (Plus+).
  • B2B OrganizationsMulti-tenant orgs with user roles, invitations, feature flags per org.
  • Custom DomainHost auth at auth.yourbrand.com. Free tier includes this.
  • Enterprise SSOSAML 2.0 + OIDC enterprise connections (Plus unlimited).
  • Feature FlagsBuilt-in feature flags with per-user/org overrides. No separate service needed.
  • Kinde AIAI-assisted query and insights over your Kinde data.
  • Kinde Billing (preview)Built-in subscription billing linked to users/orgs. Stripe under the hood.
  • Machine-to-MachineClient credentials grant for service-to-service auth.
  • Multi-Factor AuthTOTP authenticator apps, SMS, email, passkey.
  • PasswordlessEmail code + passkey (WebAuthn).
  • Roles & PermissionsRBAC with roles → permissions. Assigned per user or per organization.
  • SCIM ProvisioningDirectory provisioning from IdPs (Scale tier).
  • Sign-in WidgetHosted pages + themeable widget for login/signup. Customizable with CSS.
  • WebhooksEvent webhooks: user.created/updated, organization events, MFA, etc.

OneSignal · 12 features

  • A/B TestingSplit testing across push, email, in-app.
  • Analytics + CohortsDelivery, open, click, conversion metrics + retention cohorts.
  • EmailTransactional + marketing email with templates.
  • Frequency CappingLimit message frequency per user.
  • In-App MessagingIn-app banners, modals, surveys, carousels triggered by events.
  • Intelligent DeliveryOptimize send time per user with ML.
  • JourneysMulti-step automations with branching, delays, actions.
  • Live ActivitiesiOS Dynamic Island + Live Activities.
  • Mobile PushiOS (APNs), Android (FCM/HMS) push notifications.
  • SegmentsDynamic audience targeting by tags, location, behavior.
  • SMSTwo-way SMS in 200+ countries.
  • Web PushBrowser push via service workers (Chrome, Firefox, Edge, Safari, Opera).

Developer interfaces

KindKindeOneSignal
SDKKinde Android / Kotlin, Kinde Flutter SDK, Kinde Go SDK, Kinde iOS / Swift, @kinde-oss/kinde-auth-nextjs, @kinde-oss/kinde-auth-react, @kinde-oss/kinde-nodejs-sdk, Kinde Python SDKOneSignal Android SDK, onesignal_flutter, OneSignal iOS SDK, @onesignal/node-onesignal, OneSignal Unity SDK, OneSignal Web SDK, react-native-onesignal
RESTKinde Management APIOneSignal REST API
MCPKinde MCP
OTHEROutbound Webhooks
Staxly is an independent catalog of developer platforms. Some links to Kinde and OneSignal 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.

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