Resend vs Substack — Which One Wins?
A detailed, side-by-side comparison of Resend and Substack to help you pick the right tool for your workflow.
Quick Verdict
Resend takes the lead with a 4.4 rating and is best for developers who want to build and send beautiful emails using react components. Substack (4.2) is the better pick if you need writers who want the simplest path to publishing a newsletter with paid subscriptions..
Side-by-Side Comparison
| Criteria | Resend | Substack |
|---|---|---|
| Rating | ★★★★ 4.4(6) | ★★★★ 4.2(312) |
| Pricing Model | freemium | free |
| Starter Price | $20/mo | N/A |
| Free Tier | No | Yes |
| Platforms | Web | web, ios, android |
| Learning Curve | moderate | easy |
| API Available | Yes | No |
| Best For | Developers who want to build and send beautiful emails using React components | Writers who want the simplest path to publishing a newsletter with paid subscriptions. |
| Verdict | recommended | situational |
Feature Checklist
| Feature | Resend | Substack |
|---|---|---|
| Developer-first email API | — | |
| React Email templates | — | |
| Webhook events | — | |
| Delivery analytics | — | |
| Multiple domain support | — | |
| Team collaboration | — | |
| Clean writing editor | — | |
| Paid subscriptions built in | — | |
| Web archive for every post | — | |
| Podcast hosting | — | |
| Substack Notes (social) | — | |
| Network discovery | — |
Resend
Pros
- ✓Best developer experience
- ✓React Email is innovative
- ✓Clean simple API
- ✓Good free tier
Cons
- ✕No marketing automation
- ✕Requires coding knowledge
- ✕Newer platform
Substack
Pros
- ✓Zero monthly cost — only pay when you earn
- ✓Simplest writing and publishing experience available
- ✓Built-in paid subscriptions with no setup
Cons
- ✕10% revenue cut is expensive at scale
- ✕Virtually no email marketing or automation features
- ✕Zero customization — every Substack looks the same
The Bottom Line
Both Resend and Substack are solid tools in the Email Marketing space. Resend edges ahead with a stronger overall rating (4.4 vs 4.2) and is the better choice for developers who want to build and send beautiful emails using react components. However, if you prioritize writers who want the simplest path to publishing a newsletter with paid subscriptions., Substack is worth serious consideration. We recommend trying the free tier or trial of each before committing.