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Folderly

Make the inbox your only destination folder

★★★★★ 5.0/5
FactScore™ 84.5
VS

OneSignal

The most widely used customer engagement solution

★★★★★ 5.0/5
FactScore™ 42.3

Updated February 2026

Folderly OneSignal
Rating 5.0★ 5.0★
Reviews 48 6
Pros 17 0
FactScore™ 84.5 42.3

FactScore™ Comparison

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

👑
84.5
Folderly FactScore™
★ Folderly wins on FactScore™
42.3
OneSignal FactScore™

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 setup

Both tools — Pros

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Only in OneSignal — Pros

No unique pros listed

Only in Folderly — Cons

—

Both tools — Cons

—

Only in OneSignal — Cons

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Details

Folderly OneSignal
Categories Email marketing, Marketing automation platforms, Safety and Privacy platforms, AI Infrastructure Tools Email marketing, Marketing automation platforms, Messaging apps
Platforms Web Web
Became Popular November 26, 2020 April 18, 2015
Website folderly.com onesignal.com

Who Should Pick Which?

Choose Folderly if...

  • Email deliverability
  • User-friendly interface
  • Spam prevention

Choose OneSignal if...

  • No unique pros listed

With a FactScore™ of 84.5 vs 42.3, Folderly leads in community reception. Folderly uniquely offers Email deliverability and User-friendly interface, while OneSignal stands out for No unique pros listed.

3

What Users Say

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...

OneSignal

B
Bibek Aug 4, 2025
★★★★★

OneSignal made it incredibly easy to integrate mobile push notifications into Webhookify. With just a few lines of code, we had a reliable and scalable system that keeps our users updated in real-t...

Y
Yusuf May 8, 2024
★★★★★

We send push notifications to keep users updated about the app.

A
Armin May 29, 2025
★★★★★

great to tracking app messages & delivery

Frequently Asked Questions

Which is better, Folderly or OneSignal?

Based on FactScore™, Folderly leads with a score of 84.5 vs 42.3. Folderly has a higher rating of 5.0★ compared to 5.0★.

What are the pros of Folderly compared to OneSignal?

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

What are the pros of OneSignal compared to Folderly?

OneSignal uniquely offers: No unique pros listed.

Is Folderly better rated than OneSignal?

Folderly is rated 5.0★ from 48 reviews. OneSignal is rated 5.0★ from 6 reviews.

What is the FactScore™ of Folderly and OneSignal?

FactScore™ weighs rating and review volume together. Folderly scores 84.5 and OneSignal scores 42.3.

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