Twilio vs Convex

Twilio

Convex

Twilio · 16 features

• Conversations API — Unified 2-way messaging across SMS, WhatsApp, MMS, Chat.
• Functions — Serverless Node.js runtime inside Twilio.
• Lookup — Validate phone number, carrier type, SIM swap detection.
• Marketing Campaigns — Via SendGrid; email campaigns product.
• Programmable MMS — Multimedia messaging (US/CA).
• Programmable SMS — Global SMS send/receive with delivery tracking, A2P 10DLC, short codes.
• Programmable Video — WebRTC video rooms + recording + composition.
• Programmable Voice — Outbound/inbound calls, call queuing, IVR, recording, SIP trunking.
• RCS Messaging — Rich Communication Services with verified sender brands, media, buttons.
• Segment (CDP) — Customer Data Platform owned by Twilio.
• SendGrid (Email) — Twilio-owned email product. Separately priced.
• Studio (visual) — No-code flow builder for IVR, messaging workflows.
• Twilio Engage — Multi-channel marketing orchestration on Segment data.
• Twilio Flex — Programmable contact center (cloud CCaaS).
• Verify (2FA) — Multi-channel OTP: SMS, voice, email, WhatsApp, Push, TOTP.
• WhatsApp Business — Official WhatsApp Business API via Twilio as BSP.

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.