When is Maileroo the better choice?

You want to start sending email without adding a credit card. You need inbound routing on the free tier for replies or email parsing. You want deliverability basics like DKIM, SPF, DMARC, bounce handling, and suppression lists included immediately. You are testing a small app or website with low monthly volume but need production-style tooling. You want live chat and email support on the free tier.

When is Resend the better choice?

You want official SDKs and a React Email workflow out of the box. You need scheduled emails or batch sending in the free tier. You are fine with a daily send cap as long as the monthly quota works. You want a developer-oriented API-first setup with simple sending and receiving. You are already planning to move into a usage-based plan once volume grows.

Maileroo vs Resend: Free Tier Comparison

Q: How much does Maileroo cost after the free tier?

Starter - $15 per month. Maileroo’s first paid tier is flat priced, which makes it predictable once you cross 3,000 emails a month. Resend starts at $20/mo on Pro and then adds usage-based overages at $0.90 per 1,000 extra emails, so the bill can rise as volume climbs. For small teams, Maileroo is cheaper at the listed entry point at $15/mo, while Resend is more expensive up front but gives more capacity before overages matter. Beyond that, Resend’s costs scale more directly with send volume.

Q: How much does Resend cost after the free tier?

Pro - $20 / mo. Maileroo’s first paid tier is flat priced, which makes it predictable once you cross 3,000 emails a month. Resend starts at $20/mo on Pro and then adds usage-based overages at $0.90 per 1,000 extra emails, so the bill can rise as volume climbs. For small teams, Maileroo is cheaper at the listed entry point at $15/mo, while Resend is more expensive up front but gives more capacity before overages matter. Beyond that, Resend’s costs scale more directly with send volume.

Quick answer

Maileroo - Maileroo wins for most builders who want a free email tier with fewer activation hurdles, while Resend wins only if you need developer-first workflows and can live with a harder cap structure.

How the free tiers compare

These two free tiers solve different problems. Maileroo’s free plan is closer to a small production sending account: it includes SMTP relay, REST API access, inbound routing, webhooks, tracking, analytics, verification, and even a free dedicated IP, with no credit card required. Its main constraint is volume, at 3,000 outbound emails and 1,000 inbound emails per month. Resend is more developer-centric, with official SDKs, React Email, scheduled and batch sending, and a simple API-first workflow, but the free tier is narrower in practice: 3,000 emails per month, a 100 emails/day limit, one custom domain, 30 days of retention, and a card requirement. If you want to test real email sending with minimal friction, Maileroo is the easier free starting point. If you care more about modern developer tooling and can work inside tighter behavioral limits, Resend is the cleaner fit.

Maileroo vs Resend free tier, side by side

	MailerooFTV 64	ResendFTV 30
Outbound emails per monthResend also adds a 100 emails/day limit.	3,000	3,000
Inbound emails / receivingMaileroo states an explicit inbound quota; Resend lists sending and receiving on the free plan but does not give an inbound quantity.	1,000 inbound emails	Included
Custom domainsMaileroo’s free tier does not list a custom domain count.	Sandbox domain access	1 custom domain
API accessBoth include API access, but Resend also includes official SDKs.	RESTful API access	RESTful API access
SMTP relayBoth support SMTP on the free tier.	Included	Included
Data retentionResend keeps data longer on the free plan.	Full message retention for 14 days	30 days of data retention
Webhook accessResend specifies an endpoint limit; Maileroo does not state a count.	Webhooks access	1 webhook endpoint, all webhook events
Automation runsThis is a named free-tier quota on Resend only.	Not listed	10,000 automation runs

After you outgrow the free tier

Maileroo’s first paid tier is flat priced, which makes it predictable once you cross 3,000 emails a month. Resend starts at $20/mo on Pro and then adds usage-based overages at $0.90 per 1,000 extra emails, so the bill can rise as volume climbs. For small teams, Maileroo is cheaper at the listed entry point at $15/mo, while Resend is more expensive up front but gives more capacity before overages matter. Beyond that, Resend’s costs scale more directly with send volume.

Maileroo next stepStarter - $15 per monthFlat monthly

Resend next stepPro - $20 / moUsage-based

Cost at real usage

Usage	Maileroo	Resend
3,000 emails/moResend still applies a 100 emails/day limit.	Free (within tier)	Free (within tier)
5,000 emails/moMaileroo Starter includes 5,000 emails/month. Resend Pro includes 50,000 emails/month.	$15/mo	$20/mo
50,000 emails/moResend Pro includes 50,000 emails/month.	No public rate provided; contact sales	$20/mo
60,000 emails/moResend Pro includes 50,000 emails/month, then $0.90 per 1,000 extra emails adds about $9 for 10,000 over.	No public rate provided; contact sales	~$29/mo

Estimates, not quotes. Usage-based rates change - verify with the vendor's pricing page before committing.

When to pick each one

Pick Maileroo when…

You want to start sending email without adding a credit card.
You need inbound routing on the free tier for replies or email parsing.
You want deliverability basics like DKIM, SPF, DMARC, bounce handling, and suppression lists included immediately.
You are testing a small app or website with low monthly volume but need production-style tooling.
You want live chat and email support on the free tier.

Pick Resend when…

You want official SDKs and a React Email workflow out of the box.
You need scheduled emails or batch sending in the free tier.
You are fine with a daily send cap as long as the monthly quota works.
You want a developer-oriented API-first setup with simple sending and receiving.
You are already planning to move into a usage-based plan once volume grows.

Bottom line

For the most common builder use case, Maileroo is the better free-tier pick because it has no card requirement, includes more production-adjacent features at zero cost, and avoids Resend’s daily send cap. Resend is the better choice if your priority is developer workflow, especially SDKs, React Email, and a clean path into usage-based sending once you outgrow the free plan. If you are evaluating purely on what you can do before paying, Maileroo gives you more room to operate.

Read the full listings: Maileroo and Resend. Scores use the FTV methodology at /ftv. Browse more head-to-heads on /compare, or see the top-ranked free tiers on /top.