PostPalMail vs Instantly.ai

Cold email sending platform known for unlimited inboxes and built-in warm-up, priced by volume rather than seats.

PostPalMail

$7/mo

Instantly.ai

$37

per month for the Growth plan (annual billing) — the lead database and CRM are separate paid add-ons

PostPalMail is an international email marketing platform that combines contact search, campaign sending, follow-up sequences and tracking into one flat-priced plan. Instantly.ai is a cold email sending platform built for high-volume outbound, best known for unlimited connected inboxes and built-in email warm-up on every plan. It prices by sending volume rather than per seat, but splits its product into separate subscriptions for sending, lead data, and CRM.

Feature by Feature

How they compare

Feature	PostPalMail	Instantly.ai
Starting price	$7/mo	$37/mo
Contact search included	Yes	No — separate paid product
Unlimited team seats	Plan-based	Yes, included
Email warm-up	Not included	Included
Follow-up sequences	Yes	Yes
SMTP account rotation	Yes	Unlimited inboxes (different model)
All-in-one pricing	Yes, one plan	No — sending, leads, CRM billed separately

Instantly.ai pricing verified against third-party pricing roundups, 2026. Pricing changes over time — please verify current rates on each provider's site.

In Depth

A closer look

Pricing & Plans

Instantly's Growth plan starts around $37/month on annual billing for the sending product alone. Its lead database (Instantly Credits) and CRM are separate subscriptions, so a realistic working setup often runs several times the headline price. PostPalMail's $7/month Basic plan includes search and sending together.

Contact Search

Instantly doesn't include contact search in its base sending plan — you either bring your own list or pay for the separate Instantly Credits lead database. PostPalMail includes contact search in every plan, so there's no second subscription to manage for finding leads.

Campaign Sending & Warm-up

Instantly's standout feature is unlimited connected sending inboxes with built-in warm-up on every plan — genuinely strong for high-volume senders. PostPalMail takes a different approach with SMTP account rotation across a smaller, plan-based number of connected accounts, plus a full campaign sender.

Automation & Follow-ups

Both platforms support follow-up sequences. Instantly's are built around very high email volume across many inboxes; PostPalMail's are aimed at a more typical single-user or small-team sending pattern.

All-in-One vs. Modular

PostPalMail bundles search, sending, tracking, and follow-ups into one plan and one price. Instantly is modular by design — sending, leads, and CRM are billed separately — which can work out cheaper or pricier depending on which pieces you actually need.

The Verdict

Which one is right for you?

Choose PostPalMail if...

Users who want contact search and campaign sending in one subscription without stacking multiple product add-ons together.

Choose Instantly.ai if...

Teams running very high-volume cold email across many inboxes who already have their own lead source and specifically need unlimited warm-up infrastructure.

Bottom line: If you want one subscription that covers finding contacts and sending campaigns, PostPalMail is simpler and cheaper to start with than piecing together Instantly's sending, lead database, and CRM products. Instantly is the better fit if your primary need is very high email volume across many inboxes and you already have a lead source sorted out.

Switching

How to switch from Instantly.ai

Export your existing contact list from wherever it currently lives (Instantly Credits, CRM, or CSV).

Create a PostPalMail account — the Free plan is fine to start.

Import your contacts into PostPalMail.

Set up your campaign or sequence and connect your sending email account.

FAQ

Common questions

Is PostPalMail cheaper than Instantly.ai?

PostPalMail's Basic plan starts at $7/month versus Instantly's Growth plan at $37/month — and PostPalMail includes contact search in the same price, while Instantly sells its lead database as a separate subscription.

Does Instantly.ai find contacts for me?

Instantly is primarily a sending platform. Finding contacts requires its separate Instantly Credits product or your own uploaded list. PostPalMail includes contact search in every plan.

Is Instantly.ai better for high-volume sending?

Instantly's unlimited-inbox model is built for teams running very high email volume across many mailboxes. If that's your primary need and you already have a lead source, Instantly may be a stronger fit.

Does PostPalMail include email warm-up like Instantly?

No — PostPalMail doesn't currently include a dedicated warm-up feature. If warm-up is essential to your sending strategy, factor that into your decision.

What's the real cost difference once add-ons are included?

Instantly's headline price covers sending only; most real setups add the Credits lead database and sometimes CRM, often bringing the effective cost to several times the base price. PostPalMail's price already includes search.

Does Instantly.ai offer a free plan?

Instantly does not offer a permanent free plan — its lowest tier is a paid Growth plan. PostPalMail offers a genuinely free tier with no expiration.

What's the single biggest difference between the two?

Modular versus all-in-one: Instantly separates sending, lead data, and CRM into different subscriptions optimized for high-volume senders; PostPalMail bundles search and sending into one flat-priced plan aimed at individuals and small teams.