Are your emails landing in the spam folder?
It’s frustrating when your important messages don’t reach the people you want to connect with, right?
In 2025, tools like Instantly and Warmy are designed to help with warming up your email address.
But which one is the best to ensure your emails get delivered?
Let’s take a look at how Instantly vs Warmy stack up to effectively warm up your inbox.
Overview
We’ve put both Instantly and Warmy through their paces, simulating real-world email sending scenarios.
Our testing focused on deliverability rates, ease of use, and the time it took to see positive results.
This hands-on experience has given us a clear picture of their strengths and weaknesses, leading us to this direct comparison.
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Pricing: It has a free plan. The premium plan starts at $30/month.
Key Features:
- Lead Management
- Workflow Automation
- Reporting & Analytics
Boost your email deliverability and land more leads! Warmy’s data-backed warm-up strategies ensure your emails hit the inbox.
Pricing: It has a free trial. Book a demo to the owner for pricing.
Key Features:
- Email Warm-up
- Warmy API
- Email Seed List
What is Instantly?
Instantly focuses on lead generation. It helps you warm up email lists.
Then, it automates outreach.
It’s about getting more leads faster.
Also, explore our favorite Instantly alternatives…
See results instantly! Zoho CRM users report a 32% jump in efficiency. Discover instant improvements now!
Key Benefits
- Claims 500+ leads per month.
- Automates email warm-up.
- Boosts email deliverability by 30%.
Pricing
Instantly offers a few different plans to fit your needs:
- Growth: $30/month.
- Hypergrowth: $77.6/month.
- Light Speed: $286.3/month.
- Enterprise: Custom Pricing
Pros
Cons
What is Warmy?
So, what’s the deal with Warmy?
Think of it like this: it helps your new email address look trustworthy to email providers.
It sends and receives emails automatically, making your account seem active and legit.
This whole process helps your real emails land in inboxes, not spam folders.
Pretty neat, huh?
Also, explore our favorite Warmy alternatives…
Boost your email deliverability and land more leads! Warmy’s data-backed warm-up strategies ensure your emails hit the inbox.
Key Benefits
Warmy shines in a few key areas:
- Boost your email deliverability by up to 99%.
- See positive results in as little as 7-14 days.
- Offers integration with over 5000+ different email providers.
- Provides detailed reports on your email health score.
- Allows you to manage an unlimited number of email accounts.
Pricing
Warmy offers different plans to fit various needs:
- B2B Sender: Book a demo
- B2C Sender: Book a demo
- Custom Plan: Book a demo
Pros
Cons
Feature Comparison
Both Instantly and Warmy help with email warmup, but they do it a bit differently.
Let’s see how they compare on the things that matter most.
1. Email Warmup Process
Instantly focuses on a fast warmup with its one-click setup.
It gets your cold email accounts ready quickly.
Warmy, on the other hand, takes a more gradual approach. It aims to build a strong reputation over time.
2. Deliverability Focus
Both tools care about inbox placement.
Instantly works to improve your sender reputation.
This helps your emails per day land in the primary inbox. Warmy also focuses on sender reputation, but it uses its own AI to manage the process.
3. Warmup Network
Instantly has a large network of mailwarm accounts.
These accounts interact with your emails.
This makes your emails look more legit.
Warmy also uses a network, but it emphasizes quality over quantity.
4. Email Template Analysis
Warmy offers a built-in email template checker.
This feature helps you avoid spam triggers in your email template.
Instantly does not have a dedicated template checker.
5. SMTP Configuration
Both tools handle SMTP settings.
Instantly makes it easy with its one-click setup.
Warmy also simplifies this, but it may require a bit more initial setup.
6. Trial Period
Instantly offers a 7-day free trial.
This lets you test the tool before you pay.
Warmy provides a 7-day free trial as well. This allows for hands-on experience before a commitment.
7. Domain Reputation
Both services help in improving your domain and sender reputation.
Instantly aims to accelerate this process.
Warmy.io prioritizes gradual and sustainable improvement of your reputation.
What to Look For When Choosing a Cold Email Tool?
Here’s a quick checklist:
- Sending Limits: Consider your desired emails per month.
- Deliverability: Does it help avoid the spam folder?
- Prospect Organization: How easy is it to manage your leads?
- Template Options: Can you easily create and personalize emails?
- Reply Tracking: Can you monitor engagement and roi?
- API and Integrations: Does it connect with your other tools?
- Interface: Is the platform easy to use and navigate?
- Warm-up Features: Does it help improve your sender reputation?
- Customer Support: Is help readily available if you need it?
Final Verdict
Okay, so we’ve looked closely at Instantly and Warmy.
Both are good at helping your emails land in the right place.
But if we had to pick just one, we’d lean towards Warmy. Why?
Because it feels like it builds a really strong base for your email sending.
The email template checker is super handy for avoiding spam traps.
Plus, even though it might take a little longer than Instantly to see those top results, the focus on long-term inbox placement seems worth it.
We’ve tested these tools ourselves, so we know what we’re talking about.
Trust us, for consistent delivery and peace of mind, Warmy might just be your best bet to warmup inbox in the long run.
More of Instantly
Here’s a comparison of Instantly with its alternatives, highlighting their unique strengths:
- Instantly vs Snov IO: Instantly focuses on deliverability and scalable cold email campaigns. Snov IO offers a broader suite including email finding, verification, and a CRM.
- Instantly vs Apollo: Instantly excels in rapid email outreach and integrated warm-up features. Apollo provides a larger lead database and a comprehensive sales intelligence platform.
- Instantly vs Hunter IO: Instantly offers advanced cold email sequences and campaign management. Hunter IO is primarily used for email finding and verification, with basic sending.
- Instantly vs Reply IO: Instantly is known for unlimited warm-up and robust email-focused automation. Reply IO provides a multi-channel sales engagement platform, including LinkedIn.
- Instantly vs UpLead: Instantly specializes in maximizing email deliverability for outreach. UpLead focuses on providing highly accurate B2B contact data for prospecting.
- Instantly vs Mailshake: Instantly streamlines high-volume cold email campaigns with a built-in lead finder. Mailshake emphasizes personalized outreach with email and social touchpoints.
- Instantly vs Lemlist: Instantly offers unlimited email accounts for scalable warm-up and sending. Lemlist focuses on hyper-personalization, including images and multi-channel sequences.
- Instantly vs Woodpecker: Instantly provides unlimited email warm-up with AI-powered optimization. Woodpecker is known for its strong deliverability features and sophisticated campaign logic.
- Instantly vs Smartlead: Instantly combines lead finding with robust campaign management. Smartlead prioritizes advanced deliverability optimization for large-scale outreach.
- Instantly vs Saleshandy: Instantly offers an all-in-one solution for cold email automation. Saleshandy provides email outreach with deliverability tools and a lead finder.
- Instantly vs Klenty: Instantly focuses on email deliverability and simplified campaign setup. Klenty is a sales engagement platform with deeper CRM integrations and advanced cadences.
- Instantly vs Warmbox: Instantly integrates email warm-up within its outreach suite. Warmbox is a dedicated, specialized tool for enhancing email sender reputation.
- Instantly vs Maildoso: Instantly emphasizes unlimited warm-up and scaling cold email. Maildoso focuses on cost-effective email infrastructure and inbox rotation for deliverability.
- Instantly vs Manyreach: Instantly offers tiered monthly plans for features. Manyreach provides credit-based pricing with comprehensive features available from the start.
More of Warmy
Here’s a comparison of Warmy with other outreach platforms:
- Warmy vs Snov IO: Warmy focuses on email warm-up for inbox placement. Snov IO provides email finding, verification, and multichannel outreach tools.
- Warmy vs Apollo: Warmy is dedicated to optimizing email deliverability. Apollo is a sales intelligence platform with extensive lead data and outreach sequences.
- Warmy vs Hunter IO: Warmy enhances sender reputation and email deliverability. Hunter IO primarily finds and verifies email addresses for prospecting.
- Warmy vs Reply IO: Warmy ensures consistent email inboxing. Reply IO offers a comprehensive multi-channel sales engagement and automation platform.
- Warmy vs UpLead: Warmy is an email warm-up and deliverability specialist. UpLead provides high-quality, verified B2B contact data for lead generation.
- Warmy vs Mailshake: Warmy’s core is consistent email deliverability. Mailshake automates personalized cold email campaigns with tracking.
- Warmy vs Lemlist: Warmy is specifically designed for robust email deliverability. Lemlist focuses on hyper-personalized multi-channel outreach, including rich media.
- Warmy vs Woodpecker: Warmy enhances sender reputation and inbox placement. Woodpecker is a platform for sending safe cold email campaigns with automation.
- Warmy vs Smartlead: Warmy is an expert in email diagnosis and deliverability enhancement. Smartlead offers comprehensive cold outreach automation for campaigns.
- Warmy vs Saleshandy: Warmy specializes in improving email deliverability. Saleshandy provides tools for email tracking, scheduling, and personalized outreach.
- Warmy vs Klenty: Warmy focuses on improving email sender reputation. Klenty is a sales engagement platform for automated email sequences and CRM integration.
- Warmy vs Warmbox: Warmy offers higher warm-up volume and detailed deliverability analytics. Warmbox is a focused email warming service with a smaller capacity.
- Warmy vs Maildoso: Warmy is a dedicated email warm-up and deliverability solution. Maildoso is a cold email infrastructure primarily for sending large volumes.
- Warmy vs Manyreach: Warmy specializes in email warm-up and deliverability. Manyreach is a comprehensive cold outreach automation tool across channels.
Frequently Asked Questions
What exactly does email warmup do?
Email warmup is like exercising for your new email address. It gradually builds a positive reputation with email providers. This makes them trust your emails per day and helps them land in the main inbox, not spam.
How long does it take to see results from a warmup tool?
With tools like Instantly and Warmy, you might start seeing better inbox placement within a week or two. However, it can take a few weeks to a month to see really strong and consistent improvement in your domain reputation.
Can I send cold emails right after using a warmup tool?
While a warmup tool helps, don’t rush into sending tons of cold email right away. Gradually increase your sending volume. This shows email providers you’re a legitimate sender and helps maintain good deliverability.
Do I still need to worry about my email content with a warmup tool?
Yes! A warmup tool helps your email address look good, but your email template still matters. Avoid spammy language and make sure your content is engaging and relevant to increase inbox placement. Tools like Warmy.io even have a template checker.
Is a paid warmup tool better than doing it manually?
Paid tools like lemwarm, Instantly.ai, and Warmy automate the warmup process. This saves you a lot of time and effort. They also have networks of accounts that interact with your mailbox, which is hard to replicate manually.
