Folderly
Make the inbox your only destination folder
SpyBuster
Unmask a spy and save your data
Updated February 2026
| Folderly | SpyBuster | |
|---|---|---|
| Rating | 5.0★ | 5.0★ |
| Reviews | 48 | 10 |
| Pros | 17 | 8 |
| FactScore™ | 84.5 | 52.1 |
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 SpyBuster — Pros
Easy to use Data protection Detects russian and belarusian servers Intuitive design Fast performance Free app Additional security tool Minimalistic designOnly in Folderly — Cons
—Both tools — Cons
—Only in SpyBuster — Cons
No iOS versionDetails
| Folderly | SpyBuster | |
|---|---|---|
| Categories | Email marketing, Marketing automation platforms, Safety and Privacy platforms, AI Infrastructure Tools | Safety and Privacy platforms, Security software |
| Platforms | Web | Web |
| Became Popular | November 26, 2020 | March 23, 2022 |
| Website | folderly.com | spybuster.app |
Who Should Pick Which?
Choose Folderly if...
- Email deliverability
- User-friendly interface
- Spam prevention
Choose SpyBuster if...
- Easy to use
- Data protection
- Detects russian and belarusian servers
With a FactScore™ of 84.5 vs 52.1, Folderly leads in community reception. Folderly uniquely offers Email deliverability and User-friendly interface, while SpyBuster stands out for Easy to use and Data protection.
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...
SpyBuster
I didn't expect see so many requests to russian sites. Now my data is safe. Thanks for the app!
Love the tool! Super easy to see which apps and connections can be unsafe! Great job 💪
easy to use and very fast way to check all apps. thank you!
Related Comparisons
Frequently Asked Questions
Which is better, Folderly or SpyBuster?
Based on FactScore™, Folderly leads with a score of 84.5 vs 52.1. Folderly has a higher rating of 5.0★ compared to 5.0★.
What are the pros of Folderly compared to SpyBuster?
Folderly uniquely offers: Email deliverability, User-friendly interface, Spam prevention, Comprehensive solution, Robust features.
What are the pros of SpyBuster compared to Folderly?
SpyBuster uniquely offers: Easy to use, Data protection, Detects russian and belarusian servers, Intuitive design, Fast performance.
Is Folderly better rated than SpyBuster?
Folderly is rated 5.0★ from 48 reviews. SpyBuster is rated 5.0★ from 10 reviews.
What is the FactScore™ of Folderly and SpyBuster?
FactScore™ weighs rating and review volume together. Folderly scores 84.5 and SpyBuster scores 52.1.
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