Cold email and sales engagement platform with a built-in lead database, deliverability tools, and AI-powered reply handling. Prospect → Reach out → Win deals — one workflow.
Mailshake trails Instantly most on UX polish: 11/15 vs 13/15.
What drives this decision
Outcome fit favors Instantly by 3 points.
UX polish favors Instantly by 2 points.
Integrations favors Mailshake by 1 points.
Decision shortcuts
Which one fits your practice
Choose Instantly if
Best fit: Consultants scaling cold email who need best-in-class warmup and deliverability
UX polish matters most to you: Instantly scores 13/15 vs 11/15 for Mailshake.
Outcome fit matters most to you: Instantly scores 22/25 vs 19/25 for Mailshake.
Choose Mailshake if
Best fit: Small consulting teams that want outbound email plus lightweight social touches without enterprise complexity
Integrations matters most to you: Mailshake scores 11/15 vs 10/15 for Instantly.
Client-ready brief
Get this comparison decision brief
Send a concise summary of winner, trade-offs, and rollout recommendation.
Instantly: 77/100
Mailshake: 73/100
Instantly leads by 4 points (close call).
Best fit
Who each tool is for
Instantly
Strong Choice
Best for: Consultants scaling cold email who need best-in-class warmup and deliverability.
Why pick it: Built-in lead database (SuperSearch) eliminates the need for a separate data provider. Deliverability toolkit is best-in-class for the price.
Watch for: If you need multichannel outreach beyond email (LinkedIn, phone), lemlist or Reply.io cover more channels.
Mailshake
Strong Choice
Best for: Small consulting teams that want outbound email plus lightweight social touches without enterprise complexity.
Why pick it: Lead Catcher and LinkedIn automation help you centralize responses and reduce manual follow-up workload.
Watch for: If your workflow is email-only at lower volume, lower-cost dedicated cold email tools can deliver better value.
Swipe sideways to compare all columns.
Instantly
Mailshake
Quick facts
Pricing sanity
From $37.60/mo
From $25/mo
Integrations
3+
5+
Score breakdown
Outcome fit
22/25
19/25
Setup speed
14/20
14/20
Pricing sanity
10/15
10/15
Integrations
10/15
11/15
UX polish
13/15
11/15
Trust & support
8/10
8/10
Summary
Best for
Consultants scaling cold email who need best-in-class warmup and deliverability.
Small consulting teams that want outbound email plus lightweight social touches without enterprise complexity.
Key strength
Strong on outcomes
Strong on trust
Method
How we checked
Scores: Curalo rates each tool out of 100 on six consultant criteria (outcome fit, setup speed, pricing, integrations, UX, trust and support). See the scoring method
Instantly: prices checked October 21, 2026 on the vendor's pricing page: instantly.ai
Mailshake: prices checked April 5, 2026.
Anything a vendor does not publish is shown as not listed rather than guessed. Prices change, so confirm on the vendor's page before buying.
Common questions
Questions consultants ask before choosing
Which is better for consultants, Instantly or Mailshake?
Instantly scores 77/100 and Mailshake scores 73/100 on Curalo's consultant rubric. The biggest gap is UX polish: Instantly 13/15 vs 11/15.
Is Instantly or Mailshake cheaper?
Instantly: From $37.60/mo. Mailshake: From $25/mo.
When is Instantly the wrong choice?
If you need multichannel outreach beyond email (LinkedIn, phone), lemlist or Reply.io cover more channels.
When is Mailshake the wrong choice?
If your workflow is email-only at lower volume, lower-cost dedicated cold email tools can deliver better value.