Resend vs RevenueCat
The email API for developers — built by the Nodemailer team
vs. Mobile subscription infrastructure — iOS + Android + web in one API
Pricing tiers
Resend
Free
3,000 emails/month, 100 emails/day. 1 custom domain. Ideal for side projects.
Free
Pro — 50k
50,000 emails/month. 10 custom domains. Priority support.
$20/mo
Pro — 100k
100,000 emails/month. 10 custom domains.
$35/mo
Scale — 100k+
Tiered from 100k → 2.5M emails/month. Dedicated IP add-on available.
$90/mo
Scale — 2.5M
2.5M emails/month.
$1150/mo
Enterprise
3M+/month, dedicated IP included, SSO, custom contract.
Custom
RevenueCat
Starter
$0. Free up to $2,500 MTR (monthly tracked revenue). All core features. Email support.
Free
Pro
$0 base + 1% of MTR above $2,500. All features + priority support + SLA.
$0 base (usage-based)
Enterprise
Custom. Volume discount, dedicated support, custom contract.
Custom
Free-tier quotas head-to-head
Comparing free on Resend vs starter on RevenueCat.
| Metric | Resend | RevenueCat |
|---|---|---|
| custom domains | 1 domains | — |
| emails per day | 100 emails/day | — |
| emails per month | 3000 emails/month | — |
Features
Resend · 12 features
- Audiences — Contact list management with custom fields.
- Batch Send — Send up to 100 emails in one API call.
- Broadcasts — Bulk email campaigns with audiences, A/B testing, analytics.
- Dedicated IP — Add-on for high-volume senders. Auto warmup.
- Domains — DKIM/SPF/DMARC auto-verification. Per-domain analytics.
- Idempotency — Prevent duplicate sends with Idempotency-Key header.
- Logs + Analytics — Full email logs, delivery heatmap, events table.
- React Email — OSS library (3M+ downloads) to compose emails in React/JSX.
- Scheduled Send — scheduledAt parameter for future delivery.
- Send API — POST /emails endpoint to send. Supports attachments, scheduled send, idempotency…
- Suppressions — Auto-managed bounce + complaint list. API to add/remove.
- Webhooks — Email lifecycle events: sent, delivered, bounced, complained, opened, clicked.
RevenueCat · 13 features
- Audiences + Targeting — Target users by cohort, country, event.
- Charts — Cohort retention, LTV, MRR dashboards.
- Customer Center — Native UI for subscription management.
- Data Integrations — Push events to Mixpanel/Amplitude/Segment/etc.
- Entitlements — Server-authoritative feature unlocks independent of SKU.
- Experiments — Built-in A/B testing.
- Offerings + Packages — Remote product groupings + package targeting.
- Paywalls — Remote-configurable native paywall UI templates.
- Purchases — Unified purchase API across stores.
- Receipt Validation — Server-side App Store + Play receipt validation.
- Restore Purchases — Cross-device + reinstall restore.
- Web Billing (Stripe) — Accept subs via web with Stripe, reconcile with mobile.
- Webhooks — Subscription lifecycle events.
Developer interfaces
| Kind | Resend | RevenueCat |
|---|---|---|
| CLI | Resend CLI | — |
| SDK | react-email, resend-go, resend-node, resend-php, resend-python, resend-ruby | RevenueCat Android SDK, RevenueCat Flutter, RevenueCat iOS SDK, RevenueCat React Native, RevenueCat Web Billing |
| REST | Resend REST API | RevenueCat REST API |
| OTHER | SMTP Relay, Webhooks (Svix) | RevenueCat Dashboard, RevenueCat Webhooks |
Staxly is an independent catalog of developer platforms. Outbound links to Resend and RevenueCat are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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