Loops vs SendGrid (Twilio): pricing, quotas & features (2025)
Email marketing for SaaS — loops, transactional, campaigns in one
vs. Legacy email infrastructure at scale — 100B+ emails/year
Data sourced from vendor documentation · Last updated May 2026
Summary
Loops and SendGrid (Twilio) are both email platforms, addressing the same core use case with different implementation philosophies and trade-offs. Both offer a free tier, making it easy to prototype without a credit card. Loops's paid plans start at $15/month, lower than SendGrid (Twilio)'s entry point at $20/month. Both have 12 documented features in Staxly's catalog. Budget-sensitive teams will find Loops easier to justify early on. All pricing and quota data below is sourced from Loops and SendGrid (Twilio)'s official documentation — not generated by AI or estimated.
Loops vs SendGrid (Twilio): Comparativa de precios, cuotas y características (2025)
En esta comparativa analizamos Loops y SendGrid (Twilio) lado a lado — incluyendo precios mensuales, límites del tier gratuito, características técnicas, cuotas de uso (almacenamiento, transferencia, usuarios activos mensuales) y los interfaces de desarrollo disponibles. Todos los datos proceden de la documentación oficial de cada proveedor, no de respuestas generadas por IA.
Loops es una plataforma de la categoría email — Email marketing for SaaS — loops, transactional, campaigns in one. Ofrece 7 tiers de precio: Free gratuito, Paid — 1.5k desde $15/mes, Paid — 5k desde $49/mes, Paid — 10k desde $99/mes. Su catálogo en Staxly documenta 12 características y 4 interfazes para desarrolladores.
SendGrid (Twilio) pertenece a la categoría email — Legacy email infrastructure at scale — 100B+ emails/year. Ofrece 6 tiers de precio: Free Trial gratuito, Essentials — 50k desde $20/mes, Essentials — 100k desde $35/mes, Pro — 100k desde $90/mes. Su catálogo documenta 12 características y 10 interfazes para desarrolladores.
A continuación encontrarás los tiers de precio completos de ambas plataformas, una matriz de cuotas del tier gratuito (transferencia, almacenamiento, MAU, llamadas a la API y otros límites), el listado completo de características y los interfaces (CLI, SDKs, REST, GraphQL, MCP) disponibles para integrar cada servicio.
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Pricing tiers
Loops
SendGrid (Twilio)
Free-tier quotas head-to-head
Comparing free on Loops vs free-trial on SendGrid (Twilio).
| Metric | Loops | SendGrid (Twilio) |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
Loops · 12 features
- API Keys — Scoped keys for testing vs production.
- Audiences (Segments) — Filter contacts by properties + event behavior.
- Campaign Analytics — Open/click/unsubscribe rates, heatmaps, A/B significance.
- Campaigns — One-off broadcasts to audience segments. Schedule + A/B test subject.
- Contacts — Contact records with custom properties (strings, numbers, booleans, dates).
- Email Editor — Visual block-based + Markdown + HTML modes.
- Events — Send events to trigger loops/journeys or filter audiences.
- Loops (Automations) — Event-triggered automation flows with delays + conditions.
- Mailing Lists — Opt-in lists with subscribe/unsubscribe preferences per list.
- Template Library — Pre-built templates for SaaS use cases (onboarding, digest, launch).
- Transactional API — Send transactional emails (receipts, password resets) via /transactional endpoin…
- Webhooks — Subscribe to contact/event changes.
SendGrid (Twilio) · 12 features
- Dedicated IPs — Auto IP warmup, multiple IP pools per brand/customer.
- Dynamic Templates — Handlebars-based with versioning + A/B testing on subject/content.
- Email API (v3) — REST + SMTP. Dozens of endpoints for mail, stats, templates, subusers.
- Email Validation — Verify email addresses before sending. Credits per check.
- Event Webhook — Raw stream of send/delivery/bounce/open/click/unsubscribe/spamreport events.
- Inbound Parse — Route incoming mail → your webhook. Attachments + spam score.
- Link Branding — Track links on your own domain for reputation.
- Marketing Campaigns — Separate UI for bulk promotional sends. Segmentation, A/B, automation.
- SAML SSO — Premier tier only. SAML 2.0 auth for account access.
- Stats + Reports — Aggregated + per-category + per-subuser delivery metrics.
- Subusers — Isolate multi-tenant sends. Each subuser has own stats + API key + reputation.
- Suppression Groups — Granular unsubscribe groups (newsletter vs billing, etc.).
Developer interfaces
| Kind | Loops | SendGrid (Twilio) |
|---|---|---|
| SDK | @loops/loops, loops-py | @sendgrid/mail, sendgrid-go, sendgrid-java, sendgrid-php, sendgrid-python, sendgrid-ruby |
| REST | Loops REST API | SendGrid v3 API |
| OTHER | Webhooks | Event Webhook, Inbound Parse Webhook, SMTP Relay |
Key takeaways
- Both Loops and SendGrid (Twilio) offer a free tier — Loops ("Free") and SendGrid (Twilio) ("Free Trial") — with no credit card required to start.
- The entry-level paid plan is $15/month for Loops (Paid — 1.5k) vs. $20/month for SendGrid (Twilio) (Essentials — 50k).
- Both platforms have 12 documented features in Staxly's catalog.
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