Resend vs Substack
Updated June 2026 · A structured head-to-head comparison.
The verdict
Both Resend and Substack are credible email marketing tools, and the right pick comes down to your priorities.
Choose Resend if you want a higher overall rating (4.8/5). The email API for developers.
Substack — Publishing made simple for writers.
Resend vs Substack: side by side
| Dimension | Resend | Substack |
|---|---|---|
| Starting price | Free – $20/mo | Free |
| Free plan | Yes | Yes |
| Pricing model | Freemium | Free |
| Best for | Developers, Startups | Writers, Creators |
| Platforms | Web, Api | Web, Ios, Android |
| Rating | 4.8/5Winner | 4.5/5 |
Resend key facts
- Vendor
- Resend
- Pricing
- Freemium — Free – $20/mo
- Free tier
- Yes
- Platforms
- Web, Api
- Best for
- Developers, Startups
- Editor rating
- 4.8 / 5
- Founded
- 2023
- Headquarters
- San Francisco, CA, USA
Substack key facts
- Vendor
- Substack
- Pricing
- Free — Free
- Free tier
- Yes
- Platforms
- Web, Ios, Android
- Best for
- Writers, Creators
- Editor rating
- 4.5 / 5
- Founded
- 2017
- Headquarters
- San Francisco, CA, USA
Frequently asked questions
Is Resend better than Substack?
Neither is universally better — Resend edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.
Is Resend or Substack cheaper?
Resend is the more affordable of the two to get started, at free – $20/mo. Resend starts at free – $20/mo; Substack starts at free.
Can Resend replace Substack?
Yes for most teams — both are email marketing tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.