Side by side
Echobox Email vs Letterhead
Both stand on newsletter platforms. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Paid APIWeb
Echobox Email combines newsletter production automation with publisher-focused personalization and integration options. Teams using sending APIs should note the article-tailoring limitation, and API analytics carries an additional fee.
Visit Echobox Email
Paid APIWeb
Letterhead gives newsletter teams a choice between adding a production layer to their current sending system and consolidating more operations in Suite. The key distinction is that Studio relies on an existing ESP or CRM for delivery, while pricing for both plans is quoted on request.
Visit LetterheadThe facts
| Echobox Email | Letterhead | |
|---|---|---|
| Free plan | Not published | Not published |
| Open source | No | Not published |
| Runs on | API, Web | API, Web |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 2 |
| Maker | Echobox Email | Not published |
| Website | echobox.com | tryletterhead.com |
| On newsletter platforms | #24 of 30 | #28 of 30 |
Echobox Email: what it does well
- Automates edition building and send scheduling.
- Audience signals guide story selection and send decisions.
- Synchronizes subscriber data through APIs and webhooks.
- Analytics available through a data connector or CSV exports.
- Supports standalone use or the wider Echobox platform.
What to know first
- Per-recipient article tailoring is unavailable through sending APIs.
- Analytics REST API access costs extra.
- Pricing is available on request.
Letterhead: what it does well
- Studio includes editing, templates, curation, and approvals.
- Suite supports audience segments, journeys, and triggered flows.
- Revenue tools cover direct and programmatic ads.
- Offers a versioned REST API, webhooks, and Zapier.
- Lists more than 30 integrations.
What to know first
- Studio requires an existing ESP or CRM for sending.
- Pricing is on request and based on newsletters and audience size.
- Letterhead is based in Miami, with a U.S.-distributed team.
Alternatives to Echobox Email Alternatives to Letterhead The whole list