
VS

Two transactional email providers, compared on price, features and ratings — so you can pick fast.
Updated June 2026
The verdict
Customer.io and Loops take different pricing approaches. Pick based on volume and team — the scorecard below breaks down where each one leads.
By the numbers
Leader highlighted · figures as of June 2026
Drag-and-drop editor · visual builder
Yes
Customer.io
Yes
Loops
Scorecard
| Capability | ![]() | ![]() |
|---|---|---|
| Pricing | ||
| Starting paid plan | $100/mo | $49/mo |
| Pricing model | Subscription | Subscription |
| Overage | Profile-based pricing: additional profiles $0.009 each; additional emails $0.12 per 1,000 over the plan's bundled allowance; AI credits $10/100K. Email volume does not map to a per-email tier. | No send overages (sends unlimited on paid plans); cost scales by contact-count tier |
| Deliverability | ||
| Dedicated IP | Plan-gated | No |
| Deliverability tooling | Yes | Yes |
| Automated IP warmup | Yes | Yes |
| Suppression management | Yes | Yes |
| SPF / DKIM / DMARC | Yes | Yes |
| BIMI | — | Yes |
| API & sending | ||
| Transactional API | Yes | Yes |
| Marketing campaigns | Yes | Yes |
| SMTP relay | No | Yes |
| Inbound routing | No | No |
| Dynamic templates | Yes | Yes |
| Batch send | Yes | Yes |
| Scheduled send | Yes | Yes |
| Developer experience | ||
| Official SDKs | Ruby, Python, Node.js, Go, PHP, JavaScript (Web), iOS, Android, React Native, Flutter, Expo | JavaScript/TypeScript, Go, Ruby, PHP, Nuxt |
| Event webhooks | Yes | Yes |
| Drag-and-drop editor | Yes | Yes |
| Custom HTML editor | Yes | Yes |
| Email validation | No | Included |
| Log retention | — | Not publicly documented |
| Sandbox / test mode | — | Yes |
| Analytics | ||
| Open / click tracking | Yes | Yes |
| Analytics dashboard | Yes | Yes |
| A/B testing | Yes | Yes |
| Compliance | ||
| EU data residency | Yes | No |
| SOC 2 | Yes | Yes |
| HIPAA | Yes | No |
| GDPR | Yes | Yes |
| ISO 27001 | Yes | Yes |
| Support | ||
| Support channels | Community + email (Essentials); chat (Standard); dedicated CSM + technical specialist (Premium/Enterprise) | Email/in-app support; docs and AI agent setup |
| 24/7 support | — | No |
| Support SLA | Plan-gated | No |
| Migration assistance | Yes | — |
Decision helper


FAQ
Yes. Many teams route different message types through different providers or fail over between them. Courier lets you send through both behind a single API and switch providers without changing your code.
Keep comparing
Why not both?
Route Customer.io, Loops, or both — and switch providers without changing your code. Courier sits in front of every channel.
Pricing, plans and feature availability as of June 2026 and may change. Ratings are aggregated from public review platforms.
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