Emailens vs Testi@
Emailens
emailens.devTesti@
testi.atSide by side
| Figure | Emailens | Testi@ |
|---|---|---|
| Price from | $9/mo | £16/mo |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | Yes | — |
| Web | Yes | Yes |
| API | Yes | — |
| Self-hosted | Yes | — |
| Plans published | 7 | 1 |
| Spec score · Email Testing Software | 9.4 (#1) | 7.2 (#25) |
| Privacy | The privacy policy says users can sign in with email and password or Google or GitHub, and can request data rights through [email protected]. | The privacy policy says the company processes personal data in line with GDPR and describes technical and organizational measures to protect it. |
| Purpose | Emailens previews and checks how HTML emails render across 21 email clients. | Testi@ lets users preview email rendering in screenshots across email clients and devices. |
| Security | The security page says unsaved previews are processed in memory and authenticated previews and screenshots are automatically purged after 30 days. | The FAQ says passwords are hashed in the browser using bcrypt, server-side password hashes use salted memory-intensive hashing algorithms, and email addresses are encrypted with AES and a per-user random salt. |
| Support | The security page says vulnerability reports are acknowledged within 48 business hours. | The site provides Feedback & Support and Contact Us links. |
Plans
Emailens
- FreeFree
- FreeFree
- Dev$9 a month
- Dev$9 a month
- Pro$19 a month
- Pro$19 a month
- Team$49 a month
In their own words
Emailens
Emailens previews HTML email rendering across 21 email clients and checks compatibility across 298 CSS and HTML features. It scores compatibility from 0 to 100 per client and provides rendered screenshots and simulated dark mode variants. Inputs include HTML, React Email JSX, MJML, and Maizzle. Developers can use a web app, REST API, MCP server, GitHub Action, or standalone @emailens/engine package. Campaign HTML can be imported from a view-in-browser link; Mailchimp URL import is marked verified, while other listed platforms require pasted HTML. Emailens discusses merge tags for Mailchimp, Klaviyo, HubSpot, Braze, and Salesforce Marketing Cloud. The free plan costs nothing and includes 30 simulated previews per day, all 21 clients, one monitored domain, seven-day audit history, and three AI Fixes. Paid plans are Dev at $9 a month, Pro at $19 a month, and Team at $49 a month. Emailens says unsaved previews are processed in memory and authenticated previews and screenshots are purged after 30 days.