MailSlurp
7.9#1 in email testing softwareFrom $19.99 a monthFree planAndroidiOSWebAPI
VisitMailSlurp vs Mailtrap Email Sandbox
Mailtrap Email Sandbox
6.7#11 in email testing softwareFrom $17 a monthFree planWebAPI
VisitWhat both publish
| Fact | MailSlurp | Mailtrap Email Sandbox |
|---|---|---|
| Integrations | The integrations directory lists 79 items, including SDKs, Playwright, Cypress, Selenium, BrowserStack, Zapier, Power Automate, UiPath, Postman, GraphQL and webhooks. | Mailtrap lists integrations including Salesforce Email Sandbox, Heroku, Supabase, Vercel, and SDKs for languages such as Node.js, Python, PHP, Ruby, and Java. |
| Plan limits | Free and Starter plans cap email, inbox, storage, and testing allowances; custom domains and phone numbers require Pro on those plans. | The Free tier includes 50 test emails per month and one sandbox; Enterprise includes unlimited test emails and 300 sandboxes. |
| Security | The security policy says data at rest is encrypted with AES-256, data in transit uses TLS/SSL, and daily backups are stored in AWS S3. | Mailtrap states that it holds ISO/IEC 27001:2022 certification and complies with GDPR. |
MailSlurp plans
- FreeFree
- Starter$19.99 a month
- Pro$49.99 a month
- Growth$129.99 a month
- EnterprisePriced on request
Mailtrap Email Sandbox plans
- FreeFree
- Basic$17 a month
- Team$42 a month
- Business$123 a month
- Enterprise$498 a month
Pick MailSlurp if…
It suits developers building email or SMS workflows and teams testing message delivery, inbox placement, or application flows. Teams handling email and attachment data may also find the JSON extraction tool relevant.
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.