Compare Folderly VS MailTester.ai, what is the difference between Folderly and MailTester.ai?








Folderly is a one-stop-shop solution based on AI that covers all aspects of email deliverability: monitoring, testing, and preventing spam issues. Free email spam words checker, SPF, and DMARC record generators. Reach inboxes with every email sent.
Folderly Landing Page

Stop guessing how your emails perform. MailTester.ai instantly analyzes newsletters, campaigns, or community emails, giving actionable insights to boost engagement, open rates, conversions and saving you hours of guesswork.
MailTester.ai Landing Page


| Categories | AI Email Marketing, AI Monitor, AI For Data Analytics, AI Email Assistant |
| Folderly Website | https://folderly.com?utm_source=toolify |
| Added Time | November 23 2023 |
| Folderly Pricing | -- |
| Categories | AI Email Marketing, AI Email Assistant, AI Checker |
| MailTester.ai Website | https://MailTester.AI?utm_source=toolify |
| Added Time | October 09 2025 |
| MailTester.ai Pricing | -- |
Use Folderly to test email deliverability, generate SPF and DMARC records, monitor spam placement, and receive alerts. Integrate it with your ESP via API or SMTP to improve email performance.
To use MailTester.ai, follow a simple 3-step process: 1. **Forward Your Email**: Send any marketing email from platforms like Mailchimp, Substack, ConvertKit, or any other service to the unique analysis address provided (e.g., [email protected]). 2. **Get Analysis & Predictions**: Instantly receive a comprehensive report that includes technical analysis, AI predictions for spam, promotions, and inbox placement, and a deliverability score. 3. **Improve & Optimize**: Apply the AI-generated content suggestions and technical fixes detailed in the report to boost your email deliverability score and ensure your emails reach the inbox.
Email spam checker, SPF Generator, DMARC Generator
Inbox Insights - $79/month - Unlimited tests
Inbox Insights - $64/month - Unlimited tests
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Folderly is the one with 63.5K monthly visits and 00:00:16 Avg.visit duration. Folderly has a Page per visit of 1.72 and a bounce rate of 39.66%.
| Monthly Visits | 63.5K |
| Avg·visit Duration | 00:00:16 |
| Page per Visit | 1.72 |
| Bounce Rate | 39.66% |
MailTester.ai is the one with 4.5K monthly visits and 00:01:11 Avg.visit duration. MailTester.ai has a Page per visit of 3.33 and a bounce rate of 34.92%.
| Monthly Visits | 4.5K |
| Avg·visit Duration | 00:01:11 |
| Page per Visit | 3.33 |
| Bounce Rate | 34.92% |
The top 5 countries/regions for Folderly are:United States 13.30%, Germany 9.07%, India 6.69%, Philippines 6.56%, Brazil 5.09%
![]() | 13.30% |
| 9.07% | |
| 6.69% | |
![]() | 6.56% |
![]() | 5.09% |
The top 5 countries/regions for MailTester.ai are:United States 62.08%, India 16.77%, Canada 9.32%, Israel 8.98%, United Kingdom 2.86%
![]() | 62.08% |
| 16.77% | |
| 9.32% | |
| 8.98% | |
![]() | 2.86% |
The 6 main sources of traffic to Folderly are:Mail 0, vs_sourcesGenAi 0, Direct 0, vs_sourcesAffiliate 0, Referrals 0, vs_sourcesDisplayAds 0, vs_sourcesSearchPaid 0, vs_sourcesSocialPaid 0, vs_sourcesSearchOrganic 0, vs_sourcesSocialOrganic 0
Mail | 0 |
vs_sourcesGenAi | 0 |
Direct | 0 |
vs_sourcesAffiliate | 0 |
Referrals | 0 |
vs_sourcesDisplayAds | 0 |
vs_sourcesSearchPaid | 0 |
vs_sourcesSocialPaid | 0 |
vs_sourcesSearchOrganic | 0 |
vs_sourcesSocialOrganic | 0 |
The 6 main sources of traffic to MailTester.ai are:Mail 0, vs_sourcesGenAi 0, Direct 0, vs_sourcesAffiliate 0, Referrals 0, vs_sourcesDisplayAds 0, vs_sourcesSearchPaid 0, vs_sourcesSocialPaid 0, vs_sourcesSearchOrganic 0, vs_sourcesSocialOrganic 0
Mail | 0 |
vs_sourcesGenAi | 0 |
Direct | 0 |
vs_sourcesAffiliate | 0 |
Referrals | 0 |
vs_sourcesDisplayAds | 0 |
vs_sourcesSearchPaid | 0 |
vs_sourcesSocialPaid | 0 |
vs_sourcesSearchOrganic | 0 |
vs_sourcesSocialOrganic | 0 |
Folderly might be a bit more popular than MailTester.ai.As you can see, Folderly has 63.5K monthly visits, while MailTester.ai has 4.5K monthly visits. So more people choose Folderly. So the odds are that people will recommend Folderly more on social platforms.
Folderly has an Avg.visit duration of 00:00:16, while MailTester.ai has an Avg.visit duration of 00:01:11. Also, Folderly has a page per visit of 1.72 and a Bounce Rate of 39.66%. MailTester.ai has a page per visit of 3.33 and a Bounce Rate of 34.92%.
The main users of Folderly are United States, Germany, India, Philippines, Brazil, with the following distribution: 13.30%, 9.07%, 6.69%, 6.56%, 5.09%.
The main users of MailTester.ai are United States, India, Canada, Israel, United Kingdom, with the following distribution: 62.08%, 16.77%, 9.32%, 8.98%, 2.86%.