Staxly

Convex vs LaunchDarkly

The reactive database where queries are TypeScript code
vs. Enterprise feature management, experimentation, release automation

Convex websiteLaunchDarkly website

Pricing tiers

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

LaunchDarkly

Developer (Free)
Free forever. Unlimited seats + flags + projects. 30 SDKs. 5K session replays/mo. 10M logs/traces.
Free
Foundation
$12/month per service connection + $10/month per 1K client-side MAU. Unlimited seats, experimentation, SSO.
$12/mo
Enterprise
Custom. Advanced targeting, release automation, workflows, approvals, SAML/SCIM, custom roles.
Custom
Guardian
Custom. All Enterprise + release monitoring, guardrail metrics, auto pause/rollback.
Custom
LaunchDarkly website

Free-tier quotas head-to-head

Comparing starter on Convex vs developer on LaunchDarkly.

MetricConvexLaunchDarkly
db storage gb0.5 GB
deployments40 deployments
egress gb month1 GB/month
file storage gb1 GB
function calls month1000000 calls/month
team members6 users

Features

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.

LaunchDarkly · 15 features

  • AI ConfigsManage AI prompts, models, and parameters as flags.
  • ApprovalsRequire co-sign before flag changes in prod.
  • Audit LogEvery change logged with user + timestamp.
  • Auto Pause/RollbackGuardrail metrics auto-revert a bad release.
  • Code ReferencesScan code for flag references + stale flag cleanup.
  • ContextsMulti-context targeting: user + organization + device in one evaluation.
  • ExperimentationA/B/n testing with stat significance. Bayesian + frequentist.
  • Feature FlagsBoolean, multivariate (string/number/JSON) flags with targeting rules.
  • ObservabilityLogs + traces + errors linked to flag changes.
  • Relay ProxySelf-hosted evaluation proxy for compliance / low-latency.
  • Release PipelinesProgressive rollout workflows with guards + approvals.
  • SAML / SCIMEnterprise SSO + SCIM provisioning.
  • Session ReplayFrontend session recordings tied to flag exposure.
  • Targeting RulesRule-based targeting on user attributes, country, device, custom contexts.
  • WorkflowsScheduled flag changes + conditional workflows.

Developer interfaces

KindConvexLaunchDarkly
CLIConvex CLILaunchDarkly Relay Proxy
SDKAndroid / Kotlin Client, iOS / Swift Client, JavaScript/TypeScript Client, Next.js Integration, Python Client, React Client (useQuery), Rust Client, Svelte Client, Vue Clientgo-server-sdk, launchdarkly-android-client-sdk, launchdarkly-ios-client-sdk, launchdarkly-java-server-sdk, launchdarkly-js-client-sdk, launchdarkly-node-server-sdk, launchdarkly-react-client-sdk, launchdarkly-react-native-client-sdk, LaunchDarkly.ServerSdk, launchdarkly-server-sdk-python
RESTDeploy / Dashboard API, HTTP ActionsLaunchDarkly REST API
OTHERWebSocket SubscriptionsStreaming Flag Eval, Webhooks
Staxly is an independent catalog of developer platforms. Outbound links to Convex and LaunchDarkly are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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