Staxly

Kinde vs Convex

Flexible authentication, user management, and feature flags
vs. The reactive database where queries are TypeScript code

Kinde websiteConvex 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

Convex

Starter (Free)
Free with overage via usage-based billing. Great for prototypes.
Free
Professional
$25/developer/month. Overage: $2/M function calls. Daily backups, email support, custom domains.
$25/mo
Business / Enterprise
From $2,500/month. SAML/SSO, SLA, dedicated deployments, Slack Connect support.
$2500/mo
Convex website

Free-tier quotas head-to-head

Comparing free on Kinde vs starter on Convex.

MetricKindeConvex
custom roles2 roles
db storage gb0.5 GB
deployments40 deployments
egress gb month1 GB/month
environments2 envs
feature flags10 flags
file storage gb1 GB
function calls month1000000 calls/month
mau included10500 users/month
team members6 users
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.

Convex · 18 features

  • ActionsNon-deterministic functions for external I/O (fetch, AI APIs, email). Cannot rea
  • AuthenticationConvex Auth (built-in) or BYO provider (Clerk, Auth0, Kinde, WorkOS). ID tokens
  • Convex AgentsAI agent framework with durable memory, threads, tool use. Works with OpenAI / A
  • Convex AuthFirst-party auth library: passwords, magic links, OAuth, phone — stored in your
  • Convex ComponentsReusable backend modules (rate limiter, workflow, aggregate, action-retrier, etc
  • Cron JobsRecurring schedules defined in convex/crons.ts. UTC, cron-style patterns.
  • Durable WorkflowsLong-running multi-step workflows with retries and at-least-once guarantees.
  • Exception ReportingAuto-capture errors to Sentry, Axiom, Datadog.
  • File StorageUpload/download via storage API. Returns storage IDs referenced in documents.
  • Full-Text SearchBM25 search index on table fields. withSearchIndex query helper.
  • HTTP ActionsExpose public HTTP endpoints for webhooks, OAuth callbacks, third-party integrat
  • Log StreamsStream function logs to Axiom, Datadog, Sentry. Pro+.
  • MutationsTransactional write functions. All reads + writes in one mutation are ACID; conf
  • Preview DeploymentsEvery Git branch gets its own isolated deployment. Integrates with Vercel/Netlif
  • QueriesDeterministic read-only TS functions. Automatically cached and re-run when under
  • Real-Time SubscriptionsuseQuery auto-subscribes; server invalidates when data a query read changes. No
  • Schedulerschedule.after / schedule.at — enqueue functions to run later. Durable, survives
  • Vector SearchNative vector index on tables. withIndex + filter fields. Up to 4096 dims.

Developer interfaces

KindKindeConvex
CLIConvex CLI
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 SDKAndroid / Kotlin Client, iOS / Swift Client, JavaScript/TypeScript Client, Next.js Integration, Python Client, React Client (useQuery), Rust Client, Svelte Client, Vue Client
RESTKinde Management APIDeploy / Dashboard API, HTTP Actions
MCPKinde MCP
OTHERWebSocket Subscriptions
Staxly is an independent catalog of developer platforms. Outbound links to Kinde and Convex are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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