Echobox Email
6.1#150 in email marketing softwareWebAPI
VisitEchobox Email vs Substack
What both publish
| Fact | Echobox Email | Substack |
|---|---|---|
| Funding news | TechCrunch reported on 4 July 2016 that Echobox raised $3.4 million led by Mangrove Capital Partners with LocalGlobe participating. | On July 17, 2025, Substack announced a $100 million Series C led by BOND and The Chernin Group, with participation from Andreessen Horowitz, Rich Paul and Jens Grede. |
| Integrations | Echobox supports subscriber-data synchronization with external systems such as a CRM or CDP using APIs and campaign webhooks. | Official integrations include RSS, podcast distribution to Apple and Spotify, Google Analytics 4, Google Tag Manager, X and Facebook pixels, Google site verification, YouTube and LinkedIn account connections. |
| Rating on Capterra | 4.7 out of 5 from 101 reviews. | 0 out of 5 from 0 reviews |
| Rating on G2 | 4.4 out of 5 from 5 reviews. | 4.3 out of 5 from 17 reviews |
Echobox Email plans
- Echobox EmailPriced on request
Substack plans
- Free publishingFree
- Free to startFree
- Custom domain$50, paid once
- Paid subscriptions—
Pick Echobox Email if…
It suits publishers managing newsletters across news, broadcast, digital-first, hybrid, international, national, or local operations. It is also relevant to teams needing CRM or CDP synchronization and API-based sending.
Pick Substack if…
Substack suits writers, journalists, podcasters, video creators, experts, educators, and media companies building a direct subscriber audience. It is useful for creators who want multiple media formats, audience discovery, segmentation, email automation, and paid subscription options.