Staxly

Convex vs Penpot

The reactive database where queries are TypeScript code
vs. Open-source design + prototyping platform — Figma alternative, self-hostable

Convex websitePenpot (OSS)

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

Penpot

Free (Cloud)
$0. Unlimited files, unlimited projects, unlimited users. Full feature set.
Free
Self-Hosted (OSS)
Free forever. MPL 2.0 license. Docker Compose deploy. Full feature parity with cloud.
$0 base (usage-based)
Enterprise
Custom. Self-hosted support contract, SLA, training.
Custom
Penpot (OSS)

Free-tier quotas head-to-head

Comparing starter on Convex vs free on Penpot.

MetricConvexPenpot
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.

Penpot · 16 features

  • Accessibility ChecksContrast + color blindness.
  • AnimationsTransitions + effects.
  • Auto LayoutResponsive components.
  • CommentsIn-file discussion.
  • Components + VariantsReusable elements.
  • Design CanvasVector drawing + layout.
  • Design Tokens (W3C)Named design variables.
  • Figma File ImportMigrate from Figma.
  • Flex + Grid LayoutLayout constraints.
  • Inspector + Code ExportCSS/HTML/React/Flutter code.
  • Native SVGNot a proprietary blob.
  • Plugins APIExtend Penpot.
  • PrototypingInteractive flows.
  • Self-Host (MPL-2.0)Docker deploy.
  • Shared LibrariesTeam asset libraries.
  • Version HistoryFile revisions.

Developer interfaces

KindConvexPenpot
CLIConvex CLI
SDKAndroid / Kotlin Client, iOS / Swift Client, JavaScript/TypeScript Client, Next.js Integration, Python Client, React Client (useQuery), Rust Client, Svelte Client, Vue ClientPenpot Plugins API
RESTDeploy / Dashboard API, HTTP Actions
OTHERWebSocket SubscriptionsDesktop App, Export + Inspect, Penpot Web, Self-Host (Docker)
Staxly is an independent catalog of developer platforms. Some links to Convex and Penpot 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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