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100 in 100 Challenge

Get 100 new paid users in 100 days

FactScore™ 0
VS

Folderly

Make the inbox your only destination folder

★★★★★ 5.0/5
FactScore™ 84.5

Updated February 2026

100 in 100 Challenge Folderly
Rating N/A 5.0★
Reviews 0 48
Pros 0 17
FactScore™ 0 84.5

FactScore™ Comparison

FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.

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100 in 100 Challenge FactScore™
👑
84.5
Folderly FactScore™
★ Folderly wins on FactScore™

Pros & Cons

Only in 100 in 100 Challenge — Pros

No unique pros listed

Both tools — Pros

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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 setup

Only in 100 in 100 Challenge — Cons

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Both tools — Cons

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Only in Folderly — Cons

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Details

100 in 100 Challenge Folderly
Categories Marketing automation platforms, Lead generation software, Customer loyalty platforms Email marketing, Marketing automation platforms, Safety and Privacy platforms, AI Infrastructure Tools
Platforms Web Web
Became Popular April 19, 2021 November 26, 2020
Website 100in100.co folderly.com

Who Should Pick Which?

Choose 100 in 100 Challenge if...

  • No unique pros listed

Choose Folderly if...

  • Email deliverability
  • User-friendly interface
  • Spam prevention

With a FactScore™ of 0 vs 84.5, Folderly leads in community reception. 100 in 100 Challenge uniquely offers No unique pros listed, while Folderly stands out for Email deliverability and User-friendly interface.

3

What Users Say

100 in 100 Challenge

No reviews yet

Folderly

S
Sofiia Nov 20, 2023
★★★★★

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...

D
Dariia Nov 6, 2023
★★★★★

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...

M
Michael Nov 7, 2023
★★★★★

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...

Frequently Asked Questions

Which is better, 100 in 100 Challenge or Folderly?

Based on FactScore™, Folderly leads with a score of 84.5 vs 0. Folderly has a higher rating of 5.0★ compared to N/A★.

What are the pros of 100 in 100 Challenge compared to Folderly?

100 in 100 Challenge uniquely offers: No unique pros listed.

What are the pros of Folderly compared to 100 in 100 Challenge?

Folderly uniquely offers: Email deliverability, User-friendly interface, Spam prevention, Comprehensive solution, Robust features.

Is 100 in 100 Challenge better rated than Folderly?

100 in 100 Challenge is rated N/A★ from 0 reviews. Folderly is rated 5.0★ from 48 reviews.

What is the FactScore™ of 100 in 100 Challenge and Folderly?

FactScore™ weighs rating and review volume together. 100 in 100 Challenge scores 0 and Folderly scores 84.5.

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