Features
Email list verification Developer API Advanced reporting Enhanced Validation SDKs & Libraries MCP Server Recurring Validation Chrome Extension
Use Cases
Email Verification Bulk Email Verification Email List Cleaning Real-Time Form Validation SaaS Platforms Signup Validation Import Validation Automated List Hygiene
Integrations Pricing Docs Resources
ContactEmail Verification Comparison
Email Hippo vs Mails.so
Comparing two popular email verification services to help you make an informed decision.
Email Hippo
Email verification pioneer since 2000
check Industry pioneer since 2000
check ISO 27001 certified security
check Up to 74 data points per verification
close Pricing is considered too expensive compared to industry standards
close Interface feels outdated and needs modernization
Mails.so
Modern email verification
check Modern, clean interface
check Competitive pricing
check Good for smaller lists
close Newer service with less proven track record
close Limited integration options
Key differences that set them apart
close Email Hippo | close Mails.so | |
|---|---|---|
| Pricing Model | Premium pricing with pay-as-you-go or subscription options - considered expensive by many users. | Usage-based pricing with limited credits that can run out quickly for active teams. |
| Validation Speed | Reliable speed but can be challenging for heavy users. | Slower performance on larger lists compared to more established providers. |
| User Interface | Functional but dated interface that users wish was more modern. | Modern and aesthetic but less optimized for bulk workflow operations. |
| API and Integrations | MORE API for real-time verification with up to 74 data points. | Limited native integrations - mostly API-only with basic functionality. |
| Validation Accuracy | Comprehensive validation with Hippo Score reliability rating and fraud detection via ASSESS API. | Standard validation without advanced accuracy features for risky emails. |
Pricing comparison
Email Hippo | Mails.so | |
|---|---|---|
| Validate 50k email list | $500 | $149 |
| Validate 100k email list | $800 | $229 |
| 50k API validations | $500 | $149 |
| 100k API validations | $800 | $229 |
Looking for a better alternative?
Instead of choosing between Email Hippo and Mails.so, consider Truelist - the only email validation service with truly unlimited validations for a fixed monthly price.
Truelist
truelist.io
From $39
Truelist offers unlimited email validation with fixed pricing, advanced Enhanced Validation technology, and native integrations with 50+ platforms.
check Enhanced Validation with 2x more accurate results
check Truly unlimited validations
check Fixed predictable pricing - $39 starting price
check Modern, intuitive interface
check Native integrations with 50+ platforms
check Built for teams with dashboards and reporting
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