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
Mails.so vs Truelist
A detailed comparison of Mails.so and Truelist to help you choose the best email verification tool for your needs.
Choose Truelist if you want:
- check Truly unlimited email validations
- check Fixed pricing starting at $39 with no overages
- check Enhanced Validation with 2x accuracy
- check Native integrations with 50+ platforms
- check MCP server for Claude, Cursor, and Copilot — no API key
Choose Mails.so if you want:
- check Modern, clean interface
- check Competitive pricing
- check Good for smaller lists
Key differences that set them apart
check Truelist | close Mails.so | |
|---|---|---|
| Pricing Model | Fixed pricing with unlimited email validations across all plans, eliminating the need to manage credits and worry about overages. | Usage-based pricing with limited credits that can run out quickly for active teams. |
| Validation Speed | Offers fast email validation without delays, easily handling lists in the hundreds of thousands. | Slower performance on larger lists compared to more established providers. |
| User Interface | Features a clean, user-friendly interface designed for easy navigation and efficient email list management. | Modern and aesthetic but less optimized for bulk workflow operations. |
| API and Integrations | Native integrations with a handful of email outreach platforms, an extensive API, and robust Zapier integration. | Limited native integrations - mostly API-only with basic functionality. |
| Validation Accuracy | Enhanced Validation delivers up to 2x more accurate results through advanced heuristics and third-party data cross-referencing. | Standard validation without advanced accuracy features for risky emails. |
There's a reason businesses switch to Truelist
Truelist | Mails.so | |
|---|---|---|
| Validate 50k email list | $39/mo | $149 |
| Validate 100k email list | $39/mo | $229 |
| 50k API validations | $39/mo | $149 |
| 100k API validations | $39/mo | $229 |
verified
Our Verdict
check Truelist Winner
vs
Mails.so close
Truelist offers a clear advantage with unlimited email validations for a fixed monthly price, Enhanced Validation technology delivering 2x more accurate results, and native integrations with 50+ platforms.
Why Truelist wins:
check Enhanced Validation with 2x more accurate results
check Truly unlimited validations
check Fixed predictable pricing - $39 starting price
check Modern, intuitive interface
Where Mails.so falls short:
close Newer service with less proven track record
close Limited integration options
close Performance issues with large lists
What People Say
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