Allegrow Vs TrulyInbox: A Verification Tool Vs. A Warm-Up Tool

Allegrow or TrulyInbox, which is best for my email warm-up needs?

If this is you and you want an unbiased, data-backed answer, you are in the right place.

I have been testing many warm-up and deliverability tools for my “Top Pick” series.

This time it was Allegrow and TrulyInbox!

I have shared all my findings in this Allegrow Vs TrulyInbox comparison blog.

By the end of this blog, you will know which tool suits your needs the best.

So jump in and keep reading!

TL;DR: A Quick Summary of Allegrow Vs TrulyInbox

Here is the short version if you want the answer fast.

Allegrow’s primary offering is email verification.

The warm-up feature works, but the pricing is built around verification.

Another catch: Allegrow is very expensive, starting at $99/month, and you can connect only one email account for warm-up.

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

On the other hand, TrulyInbox is built for warm-up at scale.

It does not charge per inbox. In fact, you can connect unlimited accounts in all its pricing plans.

And the paid plans start at just $29/month!

Here is the simple way to pick:

• If your main goal is to clean lists and remove risky contacts, Allegrow is a good fit.
• If you want cost-effective and scalable email warm-up, Trulyinbox is a much better fit.

What Allegrow Is and Who It Is For?

Allegrow is an email deliverability tool with a strong focus on verification.

It helps protect your sender reputation by:

1. Verifying emails in your contact list
2. Removing risky contacts like spam traps and catch-all emails
3. Warming up your email accounts

The best use case for Allegrow is if you want to build a verification-first workflow.

This is where it performs well.

It will smoothly into your stack if you already use tools like:

• Outreach.io
• Salesloft
• Close CRM
• HubSpot

Here is my honest view of who Allegrow is right for:

• You run large outbound lists and want clean, verified contacts
• You want to reduce bounce rates before you start sending
• You care more about list health and less about warm up scale
• You use CRMs or outreach platforms and want verification inside your workflow

If this sounds like your setup, Allegrow will fit you well.

What TrulyInbox Is and Who It Is For?

TrulyInbox is built for one purpose:

Help you warm up your email accounts at scale

Here’s how it helps improves your sender reputation:

• Sends emails to and from your account through a network of highly reputable inboxes
• Mimics human sending patterns to build trust over time
• Simulates real engagement like opens, replies, and moving spam to the inbox

The best part of TrulyInbox:

It lets you connect unlimited email accounts. 

Here is who TrulyInbox is right for:

• Agencies that manage many client domains
• Founders who want a simple warm up flow without extra tools
• Teams that need cost-friendly warm up for many inboxes

So, if your priority is scale, ease, and better inbox placement, TrulyInbox is a strong fit.

My Test Results: Allegrow Vs TrulyInbox in Real Use

I tested both Allegrow and TrulyInbox on fresh domains and aged domains.

I wanted to see how they behave in real outreach setups and not just in theory.

With Allegrow, the first thing that I noticed was the cost.

The base price was $99/month, and I could connect only 1 mailbox.

To connect more mailboxes, I had to add more users, and that cost me $40/mailbox/user.

So, to connect 4 accounts, I spent:

99 dollars + (3 x 40 dollars) = 219 dollars

Now for the results.

The verification part worked well. Allegrow cleaned my outreach list of spam traps and catch-all emails.

As for the warm up:

• My new email accounts took roughly 4 to 5 weeks to warm up. I ran an inbox placement text after that period, and it peaked at 85% inbox rate.
• My older accounts that I warmed up while running campaigns reached a maximum deliverability 75%.

Coming to TrulyInbox

I connected 12 accounts for warm-up as part of my outreach setup.

The total cost was just $79 (Growth Plan).

And the same plan actually lets you connect up to 50 email accounts for warm up.

Now for the results:

• My new accounts were fully warmed up in 4 weeks, and the inbox placement rate was 90%
• My older accounts reached 75 to 80% based on past damage.

Overall, both Allegrow and TrulyInbox helped me warm up my accounts.

The major difference was in scale and cost.

I will break down the pricing of both Allegrow and TrulyInbox in the next section so you get a clear picture.

Pricing Comparison: Allegrow Vs TrulyInbox

Allegrow and TrulyInbox follow two very different pricing models.

So the value you get depends on how many inboxes you manage and what your real goal is.

1. Allegrow Pricing
2. TrulyInbox Pricing (Monthly)

Allegrow Pricing

Allegrow has 3 paid plans:

1. Starter – $99/month
2. Scale Plus Unlimited – $1,340/month
3. API Plan – Custom Pricing

Key thing to note:

• All Allegrow plans include only one mailbox by default.
• If you want to add more mailboxes, you pay $40/mailbox.
• You only get access to integrations for HubSpot, Outreach.io, Salesloft, Close CRM & more in the Scale Plus Unlimited.

The pricing structure is more suited for larger teams.

Especially those who want a verification-heavy workflow and have higher budgets.

TrulyInbox Pricing

TrulyInbox has a forever-free plan and 4 paid plans:

1. Starter – $29/month
2. Growth – $79/month
3. Scale – $189/month
4. Business – $289/month

You can connect unlimited email accounts with each plan.

Here is a clean tabular comparison:

My Final Verdict: Allegrow or TrulyInbox?

After looking at all the factors, the answer is actually simple.

Both tools do what they promise, but they solve very different problems.

Here is how I would pick:

• Choose Allegrow if clean lists, verification, and contact quality are your top priorities.
• Choose TrulyInbox if you want fast, simple, and cost-friendly warm-up for many inboxes.

For most cold email senders, agencies, and founders, TrulyInbox is the better fit because warm-up scale matters more than verification.

Allegrow Vs TrulyInbox – FAQs

1. Is Allegrow an Email Warm-Up Tool or Only a Verification Tool?

Allegrow does offer warm up, but its core strength is verification.

The warm up feature works, but the price you pay for it is not justified if you have no use for the email verification credits.

2. Does TrulyInbox Offer Email Verification or Only Warm Up?

TrulyInbox is a warm up tool.

It helps you build sender reputation by running warm up across many inboxes.

3. Which Tool Is Better for Agencies: Allegrow or TrulyInbox?

For agencies, TrulyInbox is the better fit.

You can connect unlimited inboxes in every plan.

This makes it easier to warm up many client domains at one fixed price.

Allegrow charges per mailbox, so the cost goes up fast for agencies.

4. Which Tool Is More Cost Effective, Allegrow or TrulyInbox?

TrulyInbox is far more cost-friendly.

• Allegrow starts at $99/month for one mailbox and charges $40 for each extra inbox.
• TrulyInbox starts at $29/month and allows unlimited inboxes.

So if you want scale, TrulyInbox gives a much lower cost per inbox.

5. What Are the Best Alternatives to Allegrow Besides TrulyInbox?

There are multiple other alternatives to Allegrow depending on your goal.

I have a separate blog where I covered the 5 best Allegrow alternatives I tested in 2025. Check them out!

6. Is Allegrow or TrulyInbox Better for Managing Many Email Accounts?

TrulyInbox is better for handling multiple email accounts.

You can warm up unlimited accounts without paying extra.

Allegrow charges per mailbox, so the cost for large setups becomes very high.