Folderly
Make the inbox your only destination folder
Signum
Fuel your growth with AI
Updated February 2026
| Folderly | Signum | |
|---|---|---|
| Rating | 5.0★ | 5.0★ |
| Reviews | 48 | 3 |
| Pros | 17 | 0 |
| 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 Signum — Pros
No unique pros listedOnly in Folderly — Cons
—Both tools — Cons
—Only in Signum — Cons
—Details
| Folderly | Signum | |
|---|---|---|
| Categories | Email marketing, Marketing automation platforms, Safety and Privacy platforms, AI Infrastructure Tools | Marketing automation platforms, Business intelligence software |
| Platforms | Web | Web |
| Became Popular | November 26, 2020 | February 7, 2019 |
| Website | folderly.com | signum.ai |
Who Should Pick Which?
Choose Folderly if...
- Email deliverability
- User-friendly interface
- Spam prevention
Choose Signum if...
- No unique pros listed
With a FactScore™ of 84.5 vs 30.1, Folderly leads in community reception. Folderly uniquely offers Email deliverability and User-friendly interface, while Signum stands out for No unique pros listed.
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...
Signum
Great idea. I'm just wondering how much intel they can call on, and whether the established CRM vendors will swoop in :)
Excellent product! I have used Signum's solution within two organizations in edtech and fintech spheres. It helped us to close deals quickly with optimized personalization.
Signum is a good AI tool for businesses I highly recommend it
Related Comparisons
Frequently Asked Questions
Which is better, Folderly or Signum?
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 Signum?
Folderly uniquely offers: Email deliverability, User-friendly interface, Spam prevention, Comprehensive solution, Robust features.
What are the pros of Signum compared to Folderly?
Signum uniquely offers: No unique pros listed.
Is Folderly better rated than Signum?
Folderly is rated 5.0★ from 48 reviews. Signum is rated 5.0★ from 3 reviews.
What is the FactScore™ of Folderly and Signum?
FactScore™ weighs rating and review volume together. Folderly scores 84.5 and Signum scores 30.1.
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