Software Alternatives & Startups

Userscripts VS Warmy.io

Compare Userscripts VS Warmy.io and see what are their differences

Userscripts

An open-source userscript editor for Safari.

Rating
0 reviews
Warmy.io

We don't send emails. We get them seen.

Rating
4.9 · 39 reviews
Pricing
Freemium Free trial $49 / Monthly
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Userscripts should be more popular than Warmy.io. It has been mentioned 14 times since March 2021.

social mentions
14 vs 5
Browser Extensions popularity
100% vs 0%
alternatives listed
18 vs 141

Base details

Website, pricing, platforms and company facts side by side.

Userscripts
Warmy.io
Website github.com warmy.io
Pricing —
Freemium Free trial $49 / Monthly Official pricing
Platforms —
Web
Company — Startup from Israel · 100 - 249 employees · 2021
Listed in

About Userscripts and Warmy.io

In their own words, as submitted to SaaSHub.

Userscripts
Warmy.io

No description of Userscripts yet.

Warmy.io is a cloud-based SaaS solution for email deliverability and email warmup services. This AI-powered email warmup tool provides a full suite of tools to help businesses and marketers improve their email sender reputation, ensuring emails land in the inbox and not the spam folder. Here’s...

Read more about Warmy.io

Features and specs

What each product offers, as listed by its team.

Userscripts 5 features
Warmy.io 14 features
  • Customization
    Userscripts allow for extensive customization of web experiences, as users can write scripts in JavaScript to modify the behavior and appearance of websites according to their needs.
  • Enhanced Productivity
    By automating repetitive tasks and adding useful shortcuts, userscripts can significantly enhance productivity for users who interact frequently with specific web applications.
  • Open Source Nature
    Being hosted on GitHub, Userscripts is open source, allowing developers to contribute, review the code for security purposes, and fork the project for personal use.
  • Community Support
    Userscripts have a strong community backing, with many scripts readily available through various online repositories, providing users with a wide array of pre-made scripts to choose from.
  • Cross-Browser Compatibility
    Many userscripts are designed to be cross-browser compatible, functioning in browsers like Chrome, Firefox, and others that support userscript managers like Tampermonkey or Greasemonkey.

Possible disadvantages

  • Security Risks
    Userscripts can pose security risks, as malicious scripts could potentially capture sensitive user data or perform harmful actions on behalf of the user.
  • Maintenance Overhead
    As websites update their structures and functionalities, users may need to frequently maintain or update their scripts to ensure continued compatibility and performance.
  • Technical Barrier
    Creating and managing userscripts often requires a certain level of technical knowledge, particularly in JavaScript, which may not be accessible to non-technical users.
  • Browser Deprecation Concerns
    Future browser updates might deprecate some functionalities that userscripts rely on, potentially rendering some scripts useless unless updated.
  • Performance Impact
    Poorly written or overly complex scripts might lead to performance issues, slowing down browsers or websites as they perform additional processing on pages.
  • Raise your sender reputation
    Stay away from spam filters with great reputation of your mailbox and domain
  • Real mailboxes, real people
    Only real people, only real mailboxes, a huge variety of mailbox providers
  • Authentic behaviour
    Your mailbox will behave just like a real human being, with no trace of any software
  • Same thread conversations
    Full conversations in the same thread between different people to show perfect activity
  • 100% automation
    You just connect your mailbox, and that's all. We will do the rest for you.
  • Innovative AI algorithms
    Our innovative approach and algorithms are the key to great results
  • Keep high deliverability rates
    Land in the inbox of your prospect, avoid the spam folder, and grow!
  • Free Email deliverability test
    Test where your messages are landing in almost any email provider.
  • Email template checker
    Test your cold email template before sending it to your prospects
  • Free email signature generator
    Get a professional email signature that won't send your emails to spam
  • Free SPF Record Generator
    Increase domain security: Create the perfect SPF record now
  • Free DMARC Record Generator
    Create a secure DMARC record to safeguard your domain against spoofing and phishing threats
  • Free cold email sequence builder
    The more follow-ups in your cold email campaign, the more successful it is.
  • Email deliverability guide
    Implement these tips to make your email channel reliable!

Videos

Walkthroughs and reviews on video.

Userscripts 2 videos + Add
Warmy.io 3 videos + Add

5 Recommended Tampermonkey Userscripts in 2022

More videos

  • - Creating TamperMonkey Userscripts | Augmented Browsing

The Complete Warmy.io Overview 🔥

More videos

  • - What is Warmy.io?
  • - DecisiveTalks #17 - Warmy.io with Daniel Shnaider, Founder of Warmy.io

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Userscripts
Warmy.io
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

User comments

Share your experience with using Userscripts and Warmy.io. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

Userscripts no reviews yet
Warmy.io 4.9 · 39 reviews

We have no reviews of Userscripts yet. Be the first one to post

  • Top 14 Email Warm-Up Tools for B2B SaaS
    www.mailwarm.com · Dec 2025

    Warmy.io: AI-personalized warm-up messages, topic selection, auto-archive, and automated monitoring. Focuses on safe, global automation and multi-language flows for international teams.

  • Top 5 Email Warmup Tools in 2026
    www.mailwarm.com · Dec 2025

    Warmy emphasizes automation and expansive mailbox coverage. It supports incremental sending, reply simulation, and spam recovery, with options to adjust pacing and review mailbox-level results at a glance.

  • Super helpful
    SaaSHub review
    · Oct 2025

    Warmy provided a real person for a solid one-hour onboarding that got us up and running promptly. Dashboard is easy to use and the options for warming up and plenty of options for maintaining inbox health and placement .

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Userscripts 14 mentions
Warmy.io 5 mentions
  • Jeffgeerling.com has been Migrated to Hugo
    The looking icon is the Userscripts extensions. https://github.com/quoid/userscripts. - Source: Hacker News / 9 months ago
  • Show HN: My first programming project – userscripts to change forum UIs
    Hi, I'm Will. I'm 24, autistic, and have OCD tendencies. I'm learning to code and this is my first public project. I’d really appreciate your feedback and encouragement! This project lets me solve some of my OCD problems online. There... - Source: Hacker News / over 2 years ago
  • Show HN: HNRelevant – Explore Related Discussions on HN in an Integrated Sidebar
    You can use userscripts [1] which is a safari extension which allows you to add userscripts, and the author of this work have an userscript [2] that you can use with safari (or any other browser) [1] https://github.com/quoid/userscripts. - Source: Hacker News / over 2 years ago

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  • "Email marketing is a powerful tool, but it's only effective if your emails reach the inbox." - Unknown
    As professionals in the field, we understand the struggles that come with ensuring your messages land in the right place. But fear not, for Warmy.io is here to help you overcome the challenges of email deliverability! Our cutting-edge... Source: about 3 years ago
  • Social Media power!
    Check http://warmy.io to empower YOUR commercials email deliverability. Source: over 3 years ago
  • Warming Up a New Domain: A Comprehensive Guide.
    However Warmy is number one expert in Email Deliverability, join us and get 7 days free trial warmy.io. Source: over 3 years ago

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Alternatives to Userscripts and Warmy.io

When comparing Userscripts and Warmy.io, you can also consider the following products.