Warmy vs Instantly Warmup 2026: Pricing and Feature Comparison

Warmy is a standalone warmup and deliverability tool covering 30+ email providers, but pricing is custom and hidden behind a demo call. Instantly bundles unlimited warmup free into its outreach plans starting at $47/month. The strongest pick in 2026: use Instantly's built-in warmup if you already send through Instantly, and use Warmy if you run outbound from Gmail, Smartlead, or Apollo and need warmup independent of your sending tool.

Warmy vs Instantly Warmup: Feature and Price Comparison

Axis	Warmy	Instantly Warmup	Edge
Pricing	Volume-based, custom quote via demo, no published flat rate, per Warmy's pricing page	Free, bundled into outreach plans from $47/month (Growth), $97/month (Hypergrowth), $358/month (Lightspeed), per Instantly's pricing page	Instantly
Core capability	Standalone warmup and deliverability suite that plugs into any inbox	Warmup feature built into a full cold email sending platform (sequences, lead database, AI agents)	Depends on stack
Deliverability features	Seed list warmup, placement tests, email validation, Google Postmaster integration, dedicated deliverability expert review	1,000,000+ real-account warmup pool, slow ramp scheduling, read emulation, live deliverability dashboard	Instantly (scale), Warmy (depth)
Integrations	30+ email providers including Gmail, Outlook, SendGrid, Mailgun, Zoho, AWeber, GetResponse	Warmup runs only on mailboxes connected inside Instantly's own sending platform	Warmy
Best-fit team size	Teams running outbound from multiple tools (Smartlead, Apollo, raw Gmail or Outlook) that want warmup decoupled from the sender	Teams already sending 5,000 to 500,000 emails/month through Instantly's own platform	Depends on stack

How much does Warmy cost in 2026?

Warmy no longer lists flat dollar prices on its site. Plans are split into B2B Sender, B2C Sender, and Custom tiers, all billed on "volume-based pricing" that only shows up after you book a demo, per Warmy's pricing page. Every tier includes Google Postmaster integration, deliverability monitoring, and a dedicated deliverability expert.

Is Instantly's warmup actually free?

Yes, and it is not sold as a separate product. Warmup is a feature bundled into Instantly's outreach plans, unlimited on the Growth plan ($47/month) and above, per Instantly's pricing page. You cannot buy Instantly's warmup engine without buying a sending plan, so the real comparison to Warmy is "pay twice" vs "pay once."

Which deliverability features matter more: seed lists or a 1M-account network?

Neither wins outright. Warmy's seed list and placement tests give you a controlled read on exactly where an email lands (primary, promotions, spam) across specific providers. Instantly's 1,000,000+ account pool with read emulation and slow ramp is built for scale, not diagnostics. If you need to debug one domain's reputation, Warmy's tooling is more precise. If you're warming 50+ new inboxes a month, Instantly's pool handles volume without a second bill.

Warmy or Instantly Warmup: which should you actually use?

If you send through Instantly already, running Warmy on top is redundant spend. You're paying for warmup twice. If your outbound runs through Smartlead, Apollo's native sender, or plain Gmail and Outlook, Instantly's warmup does not apply to you at all, and Warmy is one of the few standalone options left that covers 30+ providers.

Here's what nobody in this category says out loud: warmup alone doesn't fix a broken sending motion. It buys inbox placement, not replies. Teams that book real meetings from cold email pair a warmed domain with correct targeting and copy, not a green "healthy" score in a dashboard. Modern Inbound has booked 3,000+ qualified B2B meetings running that combination for clients.

Frequently Asked Questions

Can I use Warmy and Instantly Warmup at the same time?

Technically yes, but it's wasted spend if you send exclusively through Instantly. Warmup already runs free on every connected mailbox above the Growth plan, so layering Warmy on top just doubles warmup emails, not deliverability, per Instantly's pricing page.

Does Instantly warmup work if I send from a different platform, like Smartlead?

No. Instantly's warmup only runs on mailboxes connected inside Instantly's own platform, per Instantly's pricing page. If your sequences run through Smartlead, Apollo, or another tool, you need a standalone warmup product like Warmy that isn't tied to a specific sender.

Why doesn't Warmy publish its prices?

Warmy moved to volume-based, custom pricing across its B2B Sender, B2C Sender, and Custom plans, quoted only after a demo, per Warmy's pricing page. That's real friction if you're trying to comparison-shop quickly against Instantly's published $47 to $358 tiers.

Is a 7-day free trial enough to judge warmup results?

Barely. Warmy offers a 7-day, no-credit-card trial, per Warmy's site, but deliverability reputation typically takes 2 to 4 weeks to stabilize on a new domain. Use the trial to confirm setup and integration, not to make a final placement-rate call.

By Rishabh Ambasta, Founder, Modern Inbound.

If you'd rather not manage warmup, infrastructure, and copy across two different subscriptions, that's the execution layer Modern Inbound's setup service handles end to end.