Head to head

Instantly vs Mailshake

Same facts, side by side: starting price, free tier, MCP, API and what each one is actually built for.

Instantly

$47/mo Free trial

Cold-email infra for teams farming many sending mailboxes. Public Outreach start is $47/mo monthly.

Where Instantly fits

Outbound recruiting teams sending at volume
Agencies running many sending accounts
Desks that need warmup plus a unibox
MCP/API automation around campaigns

Mailshake

$29/mo

Simple email campaigns, drips and follow-ups for small outreach teams, from $29/mo. You bring your own mailbox, and there is no free trial.

Where Mailshake fits

Small sales or recruiting teams sending drips
Agencies that want simple campaigns, not infrastructure
Buyers who will bring their own mailbox
Teams that do not need LinkedIn in the sequencer

At a glance

Detail	Instantly	Mailshake
Starting price	$47/mo	$29/mo
Free tier	–No	–No
Free trial	Yes	Not on record
MCP server	✓Yes	–No
Public API	✓Yes	–No
Listed under	Lead generation, Outreach	Lead generation, Outreach
Capterra	Not enough reviews	4.6 from 161 reviews

Where they pull apart

Instantly

Stands out: Warmup, unibox, and volume send with hosted MCP and a public API.

Watch out: Deliverability still depends on your domains and inboxes, not the tool alone.

Not the right fit for

Teams that only need LinkedIn messaging
Buyers looking for an ATS

Mailshake

Stands out: Straightforward drips without a mailbox-farm product to manage.

Watch out: No free trial. The vendor takes payment up front.

Not the right fit for

Teams farming dozens of sending accounts
Buyers who want a free trial or MCP

Pros and cons

Instantly

Warmup and unibox in the same desk
Hosted MCP plus REST API
No-card get-started path on the vendor site

Sending domains and inboxes are bought separately
Sequence designer is plainer than multichannel rivals
Volume tiers step up quickly as mailboxes grow

Mailshake

Simple drips with your own mailbox
Clear public pricing
A/B testing and warmup from the entry plan

No free trial
No MCP
Email only, no LinkedIn channel

What each one costs

Instantly

$47/mo

From ~$30/mo. Confirm current terms on the vendor site.

Checked 17 Sep 2026

Mailshake

$29/mo

Starter is listed at $29 per month with one sending address and 1,500 sends. Email Outreach is $49 and Sales Engagement, which adds a phone dialer, is $99. Agency pricing is quoted. The vendor says there is no free trial and payment is taken up front. Confirm current terms on the vendor site.

Checked 20 Sep 2026

Common questions

Is Instantly cheaper than Mailshake?

Mailshake starts lower, at $29/mo against $47/mo for Instantly. That is the entry plan on each side, so the real number depends on seats and the tier you land on.

Can you try Instantly or Mailshake for free?

Neither carries a free tier on our listing. Instantly offers a free trial.

Does Instantly or Mailshake have an MCP server?

Instantly ships a first party MCP server, so an AI assistant can work the product directly.

Not the pair you wanted?

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Editorial listings, never paid rankings. Prices checked 17 Sep 2026. Confirm current terms on the vendor site. Spot an error?