Emailens
7.7#3 in email testing softwareFrom $9 a monthFree planWebAPIExtensionSelf-hosted
VisitEmailens vs Mailtrap Email Sandbox
Mailtrap Email Sandbox
6.7#11 in email testing softwareFrom $17 a monthFree planWebAPI
VisitWhat both publish
| Fact | Emailens | Mailtrap Email Sandbox |
|---|---|---|
| Integrations | The product offers a web app, REST API, MCP server, GitHub Action, and standalone @emailens/engine package. | Mailtrap lists integrations including Salesforce Email Sandbox, Heroku, Supabase, Vercel, and SDKs for languages such as Node.js, Python, PHP, Ruby, and Java. |
| Purpose | Emailens previews and checks how HTML emails render across 21 email clients. | Email Sandbox captures SMTP traffic from development and staging environments so teams can inspect test messages without delivering them to real recipients. |
| Security | The security page says unsaved previews are processed in memory and authenticated previews and screenshots are automatically purged after 30 days. | Mailtrap states that it holds ISO/IEC 27001:2022 certification and complies with GDPR. |
Emailens plans
- FreeFree
- Dev$9 a month
- Pro$19 a month
- Team$49 a month
Mailtrap Email Sandbox plans
- FreeFree
- Basic$17 a month
- Team$42 a month
- Business$123 a month
- Enterprise$498 a month
Pick Emailens if…
Emailens may suit hobbyists, individual developers, freelance developers, indie hackers, and creators working with HTML email. It offers both a web interface and developer integration options.
Pick Mailtrap Email Sandbox if…
It suits developers, QA teams, marketers, and managers who need to review test email across environments. Teams seeking to send real email to recipients will need a separate delivery tool.