Resend vs Substack
Side-by-side plans, pricing, and feature gates for Resend and Substack, verified . Resend is primarily transactional email; Substack is primarily email marketing.
Plans side by side
Every published plan from each vendor, with the headline monthly anchor price. Some prices scale with subscriber count or seats; full detail lives on each tool's page.
Resend
- Free
Hobby tier with 3,000 emails per month and a 100/day cap
Free - Pro 50k
Entry paid Pro tier with 50,000 emails per month included
$20/mo - Pro 100k
Pro tier with 100,000 emails per month included
$35/mo - Scale
Volume tier with Slack support, 1,000 domains, and dedicated IP add-on
$90/mo - Enterprise
Custom contracting for high-volume senders with SLA guarantees
Custom
Substack
- Standard
Free to publish; 10% of paid subscription revenue
Free
When Resend wins
- Developers shipping a transactional flow such as signup confirmations, password resets, and receipts
- Teams using React for email templates
- Startups wanting a clean modern API without legacy ESP weight
Where Resend is the wrong fit
- Marketing teams running newsletters (use Kit or beehiiv)
- Enterprises with strict legacy integration requirements
- Teams that need deep dedicated-IP warmup tooling (Mailgun and SendGrid are more mature here)
When Substack wins
- New writers with no list yet who want platform-driven discovery
- Writers who would rather give 10% of revenue than pay a flat $20-100/month with no readers
Where Substack is the wrong fit
- Established creators with a paid list above ~5,000 subscribers; the 10% share exceeds what Kit, Ghost, or beehiiv would charge in flat fees at that scale
- Operators who want full control over deliverability, subscriber data, and migration optionality
- Brands needing automations, segmentation, or marketing tooling
Common questions
- Is Resend cheaper than Substack?
- Both Resend and Substack have free or custom entry pricing, so a direct entry-tier price comparison is not meaningful.
- Does Resend or Substack have a free plan?
- Both have free plans. Resend: Hobby tier with 3,000 emails per month and a 100/day cap. Substack: Free to publish; 10% of paid subscription revenue.
- Are Resend and Substack in the same category?
- No. Resend is primarily a transactional email tool; Substack is primarily a email marketing tool. They overlap on use case but sit in different primary categories, so the comparison is between adjacent tools rather than direct competitors.
- Which has more plans, Resend or Substack?
- Resend ships 5 plans; Substack ships 1. Resend's longer ladder gives more granular upgrade steps, which can mean smoother price escalation as your team scales.
- Where can I see alternatives to Resend or Substack?
- Each tool has a dedicated alternatives page on TierGauge with ranked options and verified pricing: /alternatives/resend for Resend and /alternatives/substack for Substack. Alternatives are derived from each tool's editor-flagged competitors plus same-category tools we track.
Resend: https://resend.com/pricing · Substack: https://substack.com/going-paid
Last verified . Pricing changes between refreshes; confirm at the vendor before purchasing.