Resend vs. Sender

At a glance

Best for

Best for product and engineering teams that want transactional email, broadcasts and templates in the same codebase as the application that sends them.

Freelancers
Small and mid-sized
Enterprise

Sender

Best for

Best for small businesses that want email and SMS together on a budget, with a generous free plan and pricing that scales with the list.

Freelancers
Small and mid-sized
Enterprise

Cataleo does not name a winner. Both statements come from the vendors themselves.

Full Comparison

Criterion	Resend	Sender
Starting price	Free tier; Pro from $20 / month Transactional and marketing volume are billed separately. The transactional ladder runs Free, Pro from $20 per month and Scale from $90 per month, priced in bands by monthly email volume; marketing runs Free, Pro Marketing from $40 per month and Enterprise, priced by contact count.	lower value From $7 / month Standard plan for up to 1,000 subscribers and 12,000 emails per month; the price scales with the subscriber count. A Free Forever plan covers up to 2,500 subscribers and 15,000 emails per month.
Free trial	Free tier: 3,000 emails per month, 100 per day, 3 domains, plus 1,000 marketing contacts	Free Forever plan for up to 2,500 subscribers and 15,000 emails per month, with Sender branding
API	Yes, REST API with official SDKs for Node.js, Python, PHP, Ruby, Go, Rust, Elixir, Java and .NET, plus a CLI, webhooks and an official MCP server	Not stated
Hosting	Cloud (SaaS)	Cloud (SaaS)
Campaign types	Transactional email over the API, broadcasts to contacts and segments, and inbound email by pointing MX records at Resend	Yes, email newsletters and campaigns, plus SMS on paid plans and transactional email, with A/B testing
Automation and journeys	Yes, flows triggered by custom events from your own application, built from condition, delay, wait for event, send email, contact update, contact delete and add to segment steps, with a Runs view for debugging	Yes, unlimited marketing automation
Segmentation and personalisation	Yes, contacts with custom properties grouped into segments, plus Topics so recipients can opt in or out of individual categories	Yes, unlimited segmentation for targeted messaging
Templates and editor	React Email, a component-based template system written in code; there is no drag-and-drop builder	Yes, a drag-and-drop builder with 1,600+ mobile-responsive templates and a custom HTML editor
Deliverability and testing	Domain verification with SPF, DKIM and DMARC, delivery event webhooks and event monitoring in the dashboard; dedicated IPs are a $30 per month add-on on Scale and above	Yes, with 24/7 IP monitoring and sender-reputation tracking, plus A/B testing for subject lines, content and send times
Ecommerce and CRM data	Contacts are created and updated over the API or bulk-imported by CSV up to 200 MB, with custom properties carrying the data used for personalisation	Yes, integrations for Shopify, WooCommerce, PrestaShop and WordPress
Integrations and API	Yes, REST API with bearer key authentication, a batch endpoint for up to 100 messages per request, SDKs for nine languages, a CLI, webhooks and an official MCP server	Yes, integrations including WordPress, WooCommerce, Shopify, PrestaShop and Zapier
MCP-ready	stated Yes	No
Deployment	Cloud (SaaS), Browser-based	Cloud (SaaS), Browser-based
Support	Email helpdesk	more entries Chat, 24/7
Onboarding	Documentation and knowledge base	Not stated
Company size	Freelancers, Small and mid-sized, Enterprise	Freelancers, Small and mid-sized, Enterprise
Integrations	Not stated	WordPress, WooCommerce, Shopify, PrestaShop, Zapier

Compare more tools

Row where the values differ The small markers point at the lower number, the longer list or the stated feature. They describe the data, they are not a verdict.

The short version

Key Differences

Starting price Resend Free tier; Pro from $20 / month Sender From $7 / month
Free trial Resend Free tier: 3,000 emails per month, 100 per day, 3 domains, plus 1,000 marketing contacts Sender Free Forever plan for up to 2,500 subscribers and 15,000 emails per month, with Sender branding
Support Resend Email helpdesk Sender Chat, 24/7
MCP-ready Resend Yes Sender No
Campaign types Resend Transactional email over the API, broadcasts to contacts and segments, and inbound email by pointing MX records at Resend Sender Yes, email newsletters and campaigns, plus SMS on paid plans and transactional email, with A/B testing

Every line is one datapoint from the table above, picked automatically. Nothing here is written text.

The trade-offs

Strengths and Limitations

Resend

Strengths

Transactional sending, broadcasts, contacts and automations on one API and one account
Official SDKs for Node.js, Python, PHP, Ruby, Go, Rust, Elixir, Java and .NET, plus a CLI
Standing free tiers on both ladders rather than a time-limited trial
Inbound email by pointing MX records at Resend, delivered as webhooks
Official MCP server, so the platform can be driven by AI agents

Limitations

Templates are React components, so building an email needs a developer
Two separate price ladders, one for sending volume and one for contacts
Dedicated IPs, extra domains and SSO are priced as add-ons on top of the plan
SSO and dedicated IPs require the Scale plan or above
The free tier caps sending at 100 emails per day

Sender

Strengths

Free plan for up to 2,500 subscribers and 15,000 emails per month
Email plus SMS from paid plans, with unlimited automation and segmentation
1,600+ responsive templates and a drag-and-drop builder
Ecommerce integrations for Shopify, WooCommerce and PrestaShop

Limitations

The free plan carries Sender branding
SMS is only available on paid plans

Plans

Pricing

Resend

Free $0 3,000 emails per month, capped at 100 per day, 3 domains, 10,000 automation runs and 30-day data retention. Marketing side is free up to 1,000 contacts.
Pro $20 Per month, 50,000 emails and 10 domains, no daily limit, 5 webhook endpoints. $35 per month for 100,000 emails. Overage $0.90 per 1,000 emails.
Scale $90 Per month, from 100,000 emails and 1,000 domains, 10 webhook endpoints and a dedicated Slack channel. Rises through $160, $350, $650, $825 and $1,150 per month up to 2.5 million emails, with the overage rate falling from $0.90 to $0.46 per 1,000.
Pro Marketing $40 Per month for 5,000 contacts, rising to $650 per month for 150,000 contacts.
Enterprise Not stated Custom volume and contact limits, a 99.99% uptime SLA, a dedicated customer success manager, migration support and flexible AI credits.

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Sender

Free $0 / month Up to 2,500 subscribers and 15,000 emails per month, with Sender branding.
Standard From $7 / month Up to 1,000 subscribers and 12,000 emails per month; removes branding and adds SMS and A/B testing. Scales with subscriber count.
Professional From $14 / month Up to 1,000 subscribers and 24,000 emails per month; adds advanced automation, more seats and priority support. Scales with subscriber count.
Enterprise Not stated Unlimited emails, a dedicated success manager, SSO and phone support, quoted by sales.

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What users say

Review Scores · opens after launch

Resend

Ease of use: Not rated yet
User interface: Not rated yet
Onboarding: Not rated yet
Support and service: Not rated yet
Value for money: Not rated yet
Features: Not rated yet

No reviews yet. Be the first to review this tool. Every review is checked for fairness before it appears, and the vendor cannot have one removed.

Sender

Ease of use: Not rated yet
User interface: Not rated yet
Onboarding: Not rated yet
Support and service: Not rated yet
Value for money: Not rated yet
Features: Not rated yet

No reviews yet. Be the first to review this tool. Every review is checked for fairness before it appears, and the vendor cannot have one removed.

Where this comes from

Resend https://resend.com · checked against the official source on 2026-09-07

Sender https://www.sender.net · checked against the official source on 2026-08-22

This table lists factual criteria taken from information the vendors publish themselves. For how we put it together, see the methodology.