Convex vs Replit
The reactive database where queries are TypeScript code
vs. AI-native online IDE + agent that builds, deploys and hosts full apps
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
Replit
Free Starter
$0. 3 public Repls, 500MB storage, limited Agent credits. Community tier.
Free
Core
$15/mo (or $180/yr). $25 Agent credits, 10GB storage, unlimited private repls. Best indie hacker tier.
$15/mo
Teams
$40/user/mo. Shared workspaces, org-level credit pool, role-based access.
$40/mo
Enterprise
Custom. SSO, SAML, SCIM, dedicated support, audit logs, air-gapped deploys.
Custom
Free-tier quotas head-to-head
Comparing starter on Convex vs free on Replit.
| Metric | Convex | Replit |
|---|---|---|
| db storage gb | 0.5 GB | — |
| deployments | 40 deployments | — |
| egress gb month | 1 GB/month | — |
| file storage gb | 1 GB | — |
| function calls month | 1000000 calls/month | — |
| team members | 6 users | — |
Features
Convex · 18 features
- Actions — Non-deterministic functions for external I/O (fetch, AI APIs, email). Cannot rea…
- Authentication — Convex Auth (built-in) or BYO provider (Clerk, Auth0, Kinde, WorkOS). ID tokens …
- Convex Agents — AI agent framework with durable memory, threads, tool use. Works with OpenAI / A…
- Convex Auth — First-party auth library: passwords, magic links, OAuth, phone — stored in your …
- Convex Components — Reusable backend modules (rate limiter, workflow, aggregate, action-retrier, etc…
- Cron Jobs — Recurring schedules defined in convex/crons.ts. UTC, cron-style patterns.
- Durable Workflows — Long-running multi-step workflows with retries and at-least-once guarantees.
- Exception Reporting — Auto-capture errors to Sentry, Axiom, Datadog.
- File Storage — Upload/download via storage API. Returns storage IDs referenced in documents.
- Full-Text Search — BM25 search index on table fields. withSearchIndex query helper.
- HTTP Actions — Expose public HTTP endpoints for webhooks, OAuth callbacks, third-party integrat…
- Log Streams — Stream function logs to Axiom, Datadog, Sentry. Pro+.
- Mutations — Transactional write functions. All reads + writes in one mutation are ACID; conf…
- Preview Deployments — Every Git branch gets its own isolated deployment. Integrates with Vercel/Netlif…
- Queries — Deterministic read-only TS functions. Automatically cached and re-run when under…
- Real-Time Subscriptions — useQuery auto-subscribes; server invalidates when data a query read changes. No …
- Scheduler — schedule.after / schedule.at — enqueue functions to run later. Durable, survives…
- Vector Search — Native vector index on tables. withIndex + filter fields. Up to 4096 dims.
Replit · 19 features
- Assistant (chat) — AI code chat + edits.
- Autoscale Deployments — Serverless functions.
- Ghostwriter (legacy) — Older AI completion.
- Mobile App — Full IDE on iOS + Android.
- Object Storage — File hosting.
- Real-time Collaboration — Multi-cursor + voice.
- Replit Agent — Autonomous AI that builds full apps.
- Replit Bounties — Marketplace for paid dev tasks.
- Replit Database — Built-in key-value DB.
- Replit for Education — Classroom + assignment features.
- Reserved VM — Always-on deploy.
- Scheduled Jobs — Cron-triggered runs.
- Secrets Manager — Env variables.
- SSO (Enterprise) — SAML + OIDC.
- Static Deployments — Frontend / SSG hosting.
- Teams / Orgs — Shared workspaces + admin.
- Template Gallery — 100,000+ starter templates.
- Universal Package Manager — npm, pip, gem, etc. auto-installed.
- Web IDE — Monaco-based online editor.
Developer interfaces
| Kind | Convex | Replit |
|---|---|---|
| CLI | Convex CLI | replit CLI |
| SDK | Android / Kotlin Client, iOS / Swift Client, JavaScript/TypeScript Client, Next.js Integration, Python Client, React Client (useQuery), Rust Client, Svelte Client, Vue Client | — |
| REST | Deploy / Dashboard API, HTTP Actions | — |
| GRAPHQL | — | Replit GraphQL (partial) |
| OTHER | WebSocket Subscriptions | Replit Agent, Replit Database, Replit Deployments, Replit Mobile, Replit Teams, Replit Web IDE |
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