Oftentimes, agencies face problems with personalization, low engagement, poor follow-ups, and cold leads in email campaigns, but none pose a greater risk than emails landing in spam. This is because it stunts agency growth by reducing their visibility to prospects. It also reduces sender reputation and affects other key metrics, e.g., reply rates.
To prevent email messages from landing in spam folders, email warmup tools are necessary, as they allow agencies to build reputation scores by simulating interactions with other inboxes. In this article, “6 Email Warmup Tools Compared & Reviewed,” we discuss several options for agencies to consider, beginning with our top choice: Instantly.
Comparison of the Cold Email Warmup Tools
Tool | Top Features | Starting Price |
Instantly | Email Deliverability Network, Inbox Placement, and AI Copilot | $37.60/month |
Apollo | Email Warmup | $49.00/month |
Salesblink | Warmup Templates | $25.00/month |
Saleshandy | Email Ramup | $25.00/month |
Reply | Automated Warmup | $49.00/month |
Snov.io | Email Warmup | $29.25/month |
1. Instantly
Instantly enables agencies to scale outreach and grow revenue with features such as inbox placement, AI reply agent, and email verification. The Instantly email warmup tool also allows agencies to leverage its email deliverability network.
These tools ensure that email warmup is cheaper, faster, easier, and more effective through human-engagement simulation that improves inbox placement and sender reputation. With a price point of $37.60 a month, billed annually, Instantly’s email warmup tools can make the problem of landing in spam a thing of the past for agencies.
Key Features of Instantly
- Inbox Placement: This feature automatically tests where emails land across providers such as Outlook and Gmail, checking whether they reach the inbox or the spam folder.
- AI Reply Agent: Automates cold email replies in under five minutes, helping agencies identify ideal clients, scale outreach, and reduce manual effort.
- Email Deliverability Network: Ensures users’ emails are not flagged as spam and enhances email reputation through positive interactions.
- AI Copilot: Supports sales teams in finding leads, generating personalized email sequences, and creating outreach campaign ideas.
2. Apollo
Apollo is a platform used by agencies for email outreach and workflow management. It also offers email warmup tools that make inbox placement easier for agencies with tools like email warmup and inbox ramp-up. Its price starts at $49 per month, billed annually.
Pros of Apollo
- It has a user-friendly interface and powerful automation.
- Efficient lead generation enables quick access to contact information.
Cons of Apollo
- This platform’s missing features limit its effectiveness for large-scale operations.
- Its data accuracy issues often lead customers to use extra verification tools.
3. Salesblink
SalesBlink software was designed for agencies to improve and automate email outreach. With a $25-per-month annual subscription, this software offers tools for email warmup to improve deliverability. These tools include email warmup, smart rampup, and warmup templates.
Pros of SalesBlink
- It offers versatile features, including unlimited warmup options to support effective campaigns.
- Its customer support quickly resolves issues, resulting in a smooth user experience.
Cons of SalesBlink
- SalesBlink lacks visibility into sent and received emails, which affects email warming.
- Users face integration issues that hinder seamless connection with other platforms.
4. Saleshandy
Saleshandy aids in enhancing email outreach with its email warmup tools. These include inbox placement test, email ramp-up, and email warmup. This platform offers these features at a starting price point of $25 monthly, paid once a year.
Pros of Saleshandy
- Its email tracking abilities augment outreach and ensure high engagement rates.
- Its customer support quickly resolves the challenges its users face.
Cons of Saleshandy
- The platform has warmup issues due to its reliance on a third-party service.
- Its limited features hinder customers’ ability to analyze data.
5. Reply
Reply equips agencies with access to email warmup tools, including automated warmup and email deliverability. These tools are Reply’s solution to the problem of email messages ending up in potential clients’ spam folders. Reply’s pricing starts at $49 per month, billed annually.
Pros of Reply
- Reply is easy to use and simplifies the sales routine with impactful features.
- Its automation capabilities boost campaign outreach and integrate seamlessly with CRM.
Cons of Reply
- This platform has software bugs that can confuse users and hinder usability.
- It has integration issues that affect campaign management and workflow.
6. Snov.io
Snov.io aids in streamlining sales processes and optimizing email outreach. It offers a collection of features, including email deliverability checks and multichannel outreach. These features work closely with Snov.io’s email warmup tool in automating peer-to-peer interactions with authentic inboxes to simulate opens and replies. Snov.io’s price point starts at $29.25 a month, billed once a year.
Pros of Snov.io
- Customer support is proactive when users face challenges.
- The website’s clear navigation makes task execution quicker.
Cons of Snov.io
- It has fewer credits and recipients than competitors.
- There are email integration issues on the platform.
Choose the Best Email Warmup Tool for Effective Outreach
Whenever agencies work towards an email campaign to potential leads, they usually face a number of problems. Some of which may include low engagement or poor personalization, but spam filtering creates a greater challenge because it reduces sender reputation, leads to blacklistng and wasted resources.
Luckily, in this article, we compared and reviewed 6 email warmup tools to help agencies run more effective email campaigns. We started with Instantly, which was our top choice because it offers unlimited warmups and inbox placement that enables scalability and automation.



