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MailOptimal vs Instantly

The deliverability-first
Instantly alternative

Instantly is popular for sending at volume. MailOptimal matches the sending and adds a built-in verified lead database, placement testing and a real shared inbox with pipeline — on flat pricing instead of usage-based credits.

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ATSNDMLoved by 10,000+ teams · 4.7/5 on G2
Why teams switchMailOptimal
Inbox placement
98%
Reply lift
2x
Setup
<1 day
Warmup ✓Leads ✓Unibox ✓
Side by side

MailOptimal vs Instantly

FeatureMailOptimalInstantly
Built-in verified lead database700M+ includedAdd-on
Unlimited mailbox warmupYesYes
Inbox placement testingYesLimited
Done-for-you email infrastructureYesYes
Shared Unibox + pipeline/CRMYesBasic
Flat pricing, no per-seat feesYesUsage-based
Free trial14 daysLimited
Why switch

Three reasons teams pick MailOptimal

Deliverability included

Unlimited warmup, placement testing and reputation monitoring on every plan — never an add-on.

Leads built in

A 700M+ verified B2B database means you find and send from one place, with no second subscription.

Fair, flat pricing

Predictable plans with no per-seat fees or usage credits to manage.

FAQ

Frequently asked questions

Can I migrate my campaigns easily?
Yes — import your leads, templates and mailboxes in minutes, and our team can help you move existing sequences over.
Is warmup really unlimited?
Yes, on every plan. Warm as many connected mailboxes as you like at no extra cost.
Do you offer a free trial?
Every plan includes a 14-day free trial with no credit card required.
Start in minutes

Make the switch from Instantly

Try MailOptimal free for 14 days and see the deliverability difference yourself.

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No credit card · 14-day free trial · Join 10,000+ teams