Folderly
Make the inbox your only destination folder
Unspam.email
Email spam checker and newsletter heatmap prediction.
Updated February 2026
| Folderly | Unspam.email | |
|---|---|---|
| Rating | 5.0★ | 5.0★ |
| Reviews | 48 | 3 |
| Pros | 17 | 5 |
| FactScore™ | 84.5 | 30.1 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Folderly — Pros
Email deliverability User-friendly interface Spam prevention Comprehensive solution Robust features Customer support Email outreach optimization Email spam words checker DNS settings management Increased open rates AI-driven approach Best practices recommendations Blacklist monitoring Spam trigger detection Email infrastructure analysis Real-time monitoring Simple setupBoth tools — Pros
—Only in Unspam.email — Pros
Email deliverability improvement DNS setup assistance Inbox placement No account required Spam score analysisOnly in Folderly — Cons
—Both tools — Cons
—Only in Unspam.email — Cons
More test emailsDetails
| Folderly | Unspam.email | |
|---|---|---|
| Categories | Email marketing, Marketing automation platforms, Safety and Privacy platforms, AI Infrastructure Tools | Email marketing, Testing and QA software |
| Platforms | Web | Web |
| Became Popular | November 26, 2020 | October 26, 2020 |
| Website | folderly.com | unspam.email |
Who Should Pick Which?
Choose Folderly if...
- Email deliverability
- User-friendly interface
- Spam prevention
Choose Unspam.email if...
- Email deliverability improvement
- DNS setup assistance
- Inbox placement
With a FactScore™ of 84.5 vs 30.1, Folderly leads in community reception. Folderly uniquely offers Email deliverability and User-friendly interface, while Unspam.email stands out for Email deliverability improvement and DNS setup assistance.
What Users Say
Folderly
I think Folderly is truly changing the game in the email deliverability industry, leaving warmup solutions in the dust 😍 It's more than diagnosing and applying a "patch." This solution fixes deliv...
I've been here since the early days of Folderly, witnessing its growth and development. With our ever-evolving platform, we're now proud to have helped hundreds of clients! Our Customer Success tea...
Proper email deliverability prepares and maintains the entire email infrastructure. Google Startups Fund backs Folderly to create a comprehensive deliverability solution. This includes managing dom...
Unspam.email
I picked Unspam.email after trying several other spam-testing tools. It’s the only one that felt built for SaaS teams, fast setup, clear guidance, and results I can actually act on. Instead of dump...
As part of the email marketing team, we focus heavily on email deliverability. The Unspam tool and service have been invaluable in helping us resolve deliverability issues and improve our sender re...
Unspam helps us maintain high email deliverability for our AI startup, ensuring our messages consistently reach our audience’s inboxes.
Related Comparisons
Frequently Asked Questions
Which is better, Folderly or Unspam.email?
Based on FactScore™, Folderly leads with a score of 84.5 vs 30.1. Folderly has a higher rating of 5.0★ compared to 5.0★.
What are the pros of Folderly compared to Unspam.email?
Folderly uniquely offers: Email deliverability, User-friendly interface, Spam prevention, Comprehensive solution, Robust features.
What are the pros of Unspam.email compared to Folderly?
Unspam.email uniquely offers: Email deliverability improvement, DNS setup assistance, Inbox placement, No account required, Spam score analysis.
Is Folderly better rated than Unspam.email?
Folderly is rated 5.0★ from 48 reviews. Unspam.email is rated 5.0★ from 3 reviews.
What is the FactScore™ of Folderly and Unspam.email?
FactScore™ weighs rating and review volume together. Folderly scores 84.5 and Unspam.email scores 30.1.
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