Top 5 Allegrow Alternatives I Tested in 2025 for Email Warm Up

If you are planning to use Allegrow for email warm-up, DON’T.

I have used it, which is why I can confidently say: It works, but it is not an email warm-up solution!

Allegrow’s primary offering is email verification.
Especially catch-all verification and spam trap detection

The email warm up and inbox placement monitoring are more of a side focus.

So, if you want a dedicated email warm-up solution, it makes more sense to explore other Allegrow alternatives that focus only on improving deliverability.

In this blog, I will share 5 tools that are known for warm up and improving your email deliverability, unlike Allegrow.

TL;DR of My Best Allegrow Alternatives List

In a hurry, here is a quick summary of my 5 best Allegrow alternatives.

1. TrulyInbox: The best affordable and scalable Allegrow alternative that lets you connect unlimited inboxes. Low learning curve. Plans start at $29/month.
2. Lemwarm: User-friendly and packed with advanced features like topic-specific warm-up. Pricing starts at $29/inbox/month.
3. MailReach: Affordable with inbox placement testing and domain health checks. Great for actionable insights. Plans start at $25/inbox/month.
4. Warmup Inbox: Offers a network of 30k+ real inboxes for boosting deliverability. Very affordable with plans starting at $19/inbox/month.
5. Mailwarm: Simple setup with a plug-and-play approach. Perfect for small teams but more expensive. Plans start at $79/month.

Here is a table comparing Allegrow with the top 3 alternatives.

Breakdown of My 5 Best Allegrow Alternatives & Competitors in 2025

I have tested multiple warm-up tools in 2025.

Of all of them, these 5 stood out when compared to Allegrow:

1. TrulyInbox
2. Lemwarm
3. MailReach
4. Warmup Inbox
5. Mailwarm

1. TrulyInbox

The first and best Allegrow alternative on my list is TrulyInbox.

It is an AI-powered email warm-up platform that is ideal if your primary focus is to warm up email accounts and improve inbox reach.

Compared to Allegrow, TrulyInbox is far more scalable and cost-effective.

Here is how it stands out:

• You are not charged for every inbox you connect. You can add unlimited email accounts with every plan. (Scalable)
• Plans start at only $29/ month, while Allegrow starts at $99/month. (Cost-effective)

Difference aside, like Allegrow, TrulyInbox also:

• Checks if you have set up your SPF, DKIM, and DMARC
• And makes sure your IP and domain are not on blacklists

Overall, TrulyInbox is a strong alternative to Allegrow for reliable and affordable email warm-up.

If you want to know more about TrulyInbox and its capabilities, read my detailed review of TrulyInbox.

Pricing (Monthly Billing)

TrulyInbox offers a forever-free plan and 4 paid plans.

It is one of the very few warm-up tools that does not charge you for each inbox you connect.

1. Starter – $29/month (Best for up to 5 email accounts)
2. Growth – $79/month (Best for up to 50 email accounts)
3. Scale – $189/month (Best for up to 150 email accounts)
4. Business – $289/month (Best for up to 300 email accounts)

2. Lemwarm

Next on my list is Lemwarm, another tool focused on pure email warm-up.

I used it for 2 months and I found it to be highly effective and easy to use.

Lemwarm also charges per inbox like Allegrow, but it is more affordable.
Paid plans start from $29/inbox/month.

Moreover, Lemwarm also offers features like:

• Topic‑specific warm up
• Custom email template warm up
• Region‑specific warm up emails

However, these advanced features are only available in the higher-tier plan.

That said, Lemwarm’s highest plan costs $49/month/inbox, which is still half the cost of Allegrow’s Starter plan at $99/month/inbox.

If you want to know more, check out my comprehensive review of Lemwarm.

Also Read: 8 Best Lemwarm Alternatives & Competitors in 2025 (Tried & Tested)

Pricing (Monthly Billing)

Lemwarm has 2 paid plans.

• Essential Plan – $29/inbox/month
• Smart Plan – $49/inbox/month

3. MailReach

If you want an Allegrow alternative that provides warm-up and inbox placement testing, MailReach is a solid choice.

It charges per inbox, but is still affordable than Allegrow.

I tested it for a month using new and old email accounts.

You can read my review on MailReach to know more about its capabilities.

Also Check Out: 9 Best MailReach Alternatives & Competitors Compared (2025)

Pricing (Monthly Billing)

MailRech’s warm-up plan comes bundled with its spam test.

The pricing plan starts at $25/month/inbox and decreases slightly with every additional inbox you want to warm up.

4. Warmup Inbox

Warmup Inbox is an email warm-up tool that has a network of over 30,000 highly reputable inboxes to improve your email deliverability.

You get customization features like:

• DNS setup check
• Custom templates warm up
• Specific ESP warm up
• Specific language warm up
• Warm up on specific topic

What I liked the most when I tested Warmup Inbox is that it gives you basic email outreach capability.

Also, it is more affordable than Allegrow.

The basic plan starts at $19/month/inbox.

Read my review of Warmup Inbox to know more.

Pricing (Monthly Billing)

Warmup Inbox has 3 paid plans.

1. Basic – $19/month/inbox
2. Pro – $59/month/inbox
3. Max – $99/month/inbox

If Warmup Inbox is expensive, you can check out My List of Top 8 Warmup Inbox Alternatives in 2025

5. Mailwarm

The last Allegrow competitor on my list is Mailwarm.

It is very easy to use.

I tested it for a month, and it got the results I expected.

Mailwarm does not charge you per account, but it limits the number of inboxes you can connect to per plan.

That said, it is still more affordable than Allegrow.

Pricing (Monthly Billing)

Mailbox has 3 paid plans

1. Starter – $79/month (1 mailbox)
2. Growth – $189 (3 mailboxes)
3. Scale – $549 (10 mailboxes)

When I used Mailwarm, I quickly got to know that scaling would get expensive. (Still less than Allegrow)

So, I found 8 scalable Mailwarm alternatives. Check them out!

Warm Up Your Accounts and Reach Inboxes

I’ve shown you my top Allegrow alternatives, based on my actual experience testing these tools.

Each of them will help you warm up your email accounts and improve your deliverability.

No doubt about that.

All you have to do is figure out which one fits your needs best.

I’d recommend trying out TrulyInbox.

And I’m not saying this lightly!

Its performance, scalability, and cost advantage make it stand out.

Take the free trial and see for yourself!

Allegrow Alternatives – FAQs

1. What Are the Limitations in Allegrow?

I found that Allegrow is more of an email verification-focused tool, rather than an email warm up tool.

Yes, it does offer warm-up, and it does get the results.

But you will be paying for other features you do not need.

Talking about cost, it is very expensive.

The paid plans start at $99/month, and you can connect only 1 mailbox for warm up.

If you want to connect more, you have to pay $40/mailbox.

2. Does Allegrow Actually Help You Warm Up Your Email Accounts?

Yes, Allegrow does help warm up your email accounts.

But it is more of a secondary feature.

3. Which Allegrow Alternative Is Better for Businesses and Agencies?

TrulyInbox.

It is best for businesses and agencies of all sizes that are into cold email outreach and want a scalable and cost-efficient email warm-up solution.

You can connect as many email accounts as you want (no per inbox cost), and paid plans start at just $29/month.