Quick answer
Resend - Resend wins for builders whose main job is sending app email, while SuprSend wins if you need a broader notification layer with more generous free usage and no card required.
How the free tiers compare
These two free tiers solve different problems. Resend is an email-first platform: API, SMTP, SDKs, React Email, tracking, scheduling, one custom domain, and a small but focused quota for transactional and marketing email. Its free tier is tight at 3,000 emails per month and 100 per day, so it is best when email is a core product surface and you want a clean developer workflow. SuprSend is a notification infrastructure layer across email, SMS, Slack, push, WhatsApp, in-app, and webhooks. The free plan is broader and larger at 10,000 notifications per month, unlimited channels, unlimited team members, and no credit card required, but the free experience carries branding and sits farther from the advanced paid features. Pick Resend for email delivery simplicity. Pick SuprSend for multi-channel notification orchestration and a larger free runway.
Resend vs SuprSend free tier, side by side
| ResendFTV 30 | SuprSendFTV 64 | |
|---|---|---|
| Monthly free quotaDifferent units, but SuprSend's free tier is larger in raw message count. | 3,000 emails/month | 10,000 notifications/month |
| Daily limitResend adds a daily cap on top of the monthly quota. | 100 emails/day | Not stated |
| ChannelsSuprSend is explicitly multi-channel. | Email-focused | Unlimited channels |
| Custom domainsResend includes one domain on free. | 1 custom domain | Not stated |
| Data retentionOnly Resend gives a retention limit in the provided data. | 30 days | Not stated |
| Webhook endpointsResend exposes one endpoint on free. | 1 webhook endpoint | Not stated |
| Team membersSuprSend explicitly allows unlimited teammates on free. | Not stated | Unlimited team members |
| BrandingSuprSend free keeps branding in the feed. | Not stated | In-app notification feed with SuprSend branding |
| Credit card requiredResend is marked as requiring a card; SuprSend says no credit card required. | False | True |
After you outgrow the free tier
Resend’s first paid tier is Pro at $20/mo, but its paid structure is usage-based with an included email quota and overage charges at $0.90 per 1,000 extra emails. SuprSend’s first paid tier is Essentials at $110/month, with a flat base price and extra notifications charged separately at $2 per 1,000. Resend is much cheaper at small and moderate email volumes, while SuprSend is pricier upfront but covers a broader notification stack. Once usage grows, both add overages, but SuprSend starts from a far higher base and also uses higher extra-notification rates on the higher plan.
Cost at real usage
| Usage | Resend | SuprSend |
|---|---|---|
| 10k messages/moResend free tier cannot cover 10k messages; estimate assumes Pro base plus overage. | Free (within 3,000/mo cap only if volume stays under free limit; otherwise ~$26.30/mo est. at 10k emails, including $6.30 overage on Pro) | $110/mo |
| 50k messages/moResend Pro includes 50,000 emails/month. | $20/mo | $110/mo |
| 75k messages/moResend estimate uses Pro base $20 plus 25k extra at $0.90/1,000. SuprSend estimate uses Essentials base $110 plus 25k extra at $2/1,000. | ~$42.50/mo est. | $135/mo |
| 100k messages/moResend estimate uses Pro base $20 plus 50k extra at $0.90/1,000. SuprSend estimate uses Essentials base $110 plus 50k extra at $2/1,000. | ~$65/mo est. | $210/mo |
Estimates, not quotes. Usage-based rates change - verify with the vendor's pricing page before committing.
When to pick each one
Pick Resend when…
- You are building transactional email for signup, password reset, receipts, or alerts and want email-specific tooling.
- You need SMTP, REST API, official SDKs, scheduled sends, batch sending, and React Email in one place.
- You only need one custom domain and can live within 3,000 emails per month or 100 per day.
- You care more about deliverability workflow for email than about multi-channel notification routing.
Pick SuprSend when…
- You need to send notifications across more than email, such as SMS, Slack, push, WhatsApp, in-app inbox, or webhooks.
- You want a free tier with 10,000 notifications per month and unlimited team members.
- You want branching, conditions, lists, and broadcasts without paying first.
- You want to test the product without a credit card and can accept SuprSend branding in the in-app feed.
Bottom line
For the most common builder case, Resend is the better pick if you are sending product email and want a simple developer API with low entry cost after free. SuprSend is the better pick if you are building a notification system that spans multiple channels and want a bigger free tier with no card required. The decision is less about raw quotas than about scope: Resend is narrower and cheaper, SuprSend is broader and more expensive once you move into paid usage.
Read the full listings: Resend and SuprSend. Scores use the FTV methodology at /ftv. Browse more head-to-heads on /compare, or see the top-ranked free tiers on /top.