Mailtester.com vs. Apollo.io
A side-by-side comparison based on G2 review data.
| Metric | Mailtester.com | Apollo.io |
|---|---|---|
| Overall rating | 4.2 | 4.7 |
| Review count | 10 | 9,851 |
| Ease of use | 8.8 | 9.2 |
| Ease of setup | 8.6 | 9.0 |
| Quality of support | 8.4 | 8.9 |
| Meets requirements | 8.4 | 9.2 |
| NPS | 50 | 83.992806 |
| Small Business | 60.0% | 66.9% |
| Mid-Market | 30.0% | 28.4% |
| Enterprise | 10.0% | 4.7% |
| Total page views | 100 | 26,360 |
| Total LLM citations | 459 | 186,531 |
Mailtester.com
Check if an e-mail address is valid or not. Our email list checker will lookup and check emails to see if they are valid. We have Mailchimp omnivore checker and other integrations like MailChimp, Activecampaign
Apollo.io
Apollo.io is an AI-powered go-to-market (GTM) platform that helps revenue teams find, engage, and manage B2B buyers across the entire sales cycle. Apollo.io is the company behind the industry’s first fully agentic GTM platform, transforming how revenue teams execute. Going beyond automation, Apollo’s intelligent agents actively drive results across the entire sales funnel – from prospecting to deal management – all in one place.
- Ease of Use
- Lead Generation
- Features
- Helpful
- Time-saving
- Automation