Mailshake vs ZoomInfo SalesOS Pricing (2026)
Compare / Mailshake vs ZoomInfo SalesOS
Shortlist
Team size
25 seats

Mailshake vs ZoomInfo SalesOS

Sales Engagement pricing comparison · 2026

Mailshake pricing ranges from $29–$99/user/month, while ZoomInfo SalesOS ranges from $14995–$50000/per year. Mailshake is typically 100% more affordable, though your actual cost depends on tier and team size.

Visit
See pricing on each vendor's site
Above-the-fold path — each link opens the vendor's pricing page in a new tab.
Visit Mailshake pricing
Discount programs →
Visit ZoomInfo pricing
Free plan limits → Discount programs →
Affiliate partner — does not affect ranking.
Compare
2 products · Sales Engagement
Side-by-side · live
Mailshake
Mailshake pricing starts at $29/month for the Starter plan.
verified 27d ago
$708 $16K
View pricing →
ZoomInfo SalesOS
ZoomInfo SalesOS pricing starts at approximately $14,995-$15,000 per year with three main
verified 27d ago
$708 $16K
View pricing →
Verdict · Vendr median · year 1
Mailshake saves $15K vs ZoomInfo · 25 seats
Cheapest $708
Spread 96%
Estimated license cost
at 25 seats
List price × seats. Click a tier below to lock it.
Email Outreach
$15K/yr
year 1 license · $49/seat
Pricing model unknown
Pricing model unknown
no public list price found
What buyers actually pay
median, annual
Vendr deal-flow data. The real benchmark, not list price.
↓ Lowest median
Median annual
$708/yr
Vendr · n=29
Median annual
$16K/yr
Vendr · n=6 · limited data
REF · 01

Sources & confidence

Every dollar amount and contract clause below traces back to a sourced fact. We don't manufacture composite scores.

Where this data comes from
Vendr · TrustRadius · Reddit · BBB · official docs
Sources 8 sourced facts
4 hidden-cost · 1 contract · Vendr median · 2 review platforms
Last verified 3w ago
Confidence Medium confidence
Sources 24 sourced facts
19 hidden-cost · 3 contract · Vendr median · 1 review platform
Last verified 3w ago
Confidence Limited confidence
REF · 02

Plans at a glance

Every tier per product. Lock one to drive the cost row above and reveal a tier-specific outbound CTA.

Tier ladder
Click a tier to lock the cost row to it. Locking surfaces a tier-specific Visit CTA.
REF · 03

Hidden costs

Each cost is severity-ranked, with the dollar range quoted from its source (Vendr, Reddit, TrustRadius, BBB, official docs) — never our estimate.

Beyond the sticker
Severity-ranked, sourced
3 documented
  • Gmail/G Suite Account Required
    $6-$12/user/month
    2 sources
  • Additional Warmed-Up Email Accounts
    $11/month
    1 source
  • Price Increases Over Time
    10-20% of license costs
    1 source
5 documented
  • Upfront Annual Payment Requirement
    $15,000-$40,000
    2 sources
  • Unpredictable Renewal Price Increases
    30-42% annual increase
    3 sources
  • Auto-Renewal and Cancellation Difficulties
    15-30% of license costs
    1 source
  • Sales Process Time Investment
    5-10% of license costs
    3 sources
  • Automatic Price Increases at Renewal
    30-42% of license costs
    2 sources
REF · 04

Contract terms

The fine print, surfaced. Green = buyer-friendly. Each clause backed by a quoted source.

Mailshake
ZoomInfo
Auto-renewal
—
Yes
Cancellation
—
Not clearly disclosed upfront
Commitment
—
1 year minimum, paid annually upfront
Price escalation
10-20% of license costs
30-42% annual price increases reported at renewal without clear advance notice
Can downgrade
—
No
Based on 4 verified sources (Vendr · TrustRadius · BBB)
REF · 05

What users say

Aggregated, with sample sizes. We use whichever review platform has data.

User reviews
TrustRadius · Trustpilot · G2
TrustRadius
7.9/5 (30)
Trustpilot
4.9/5 (25)
Best for
Businesses starting an outreach program
Watch out
Gmail/G Suite only - no support for Outlook or other email platforms
TrustRadius
8.2/5 (1,869)
Best for
General users and teams
Watch out
Extremely expensive pricing, especially for small businesses and startups
Decide
Get a quote from each vendor
Each link opens the vendor's pricing page in a new tab.
Visit Mailshake pricing
Discount programs →
Visit ZoomInfo pricing
Free plan limits → Discount programs →
Affiliate partner — does not affect ranking.
License cost is computed from publicly listed plans (real math, list price × seats). Median annual cost is from Vendr's deal flow when available — see source badges. Hidden costs and contract terms each cite their own sources. We do not invent composite scores.
Sales Engagement

Mailshake

$29–$99
/user/month
4 plans
Full pricing breakdown →
VS
Sales Engagement

ZoomInfo SalesOS

$14995–$50000
/per year
3 plans
Full pricing breakdown →

Mailshake and ZoomInfo SalesOS both operate in the sales engagement category. This page compares their list pricing.

Plan-by-Plan Pricing

Plan Mailshake ZoomInfo SalesOS
Starter $29 /user/month Custom
Email Outreach $49 /user/month Custom
Sales Engagement $99 /user/month Custom
Agency Custom —

Market Intelligence

Mailshake

Median annual cost
$708
Based on
29 deals

ZoomInfo SalesOS

Median annual cost
$15,750
Based on
6 deals

Hidden Costs

Beyond the sticker price — what catches buyers off guard.

Mailshake 3 hidden costs

medium
Gmail/G Suite Account Required $6-$12/user/month
low
Additional Warmed-Up Email Accounts $11/month
low
Price Increases Over Time 10-20% of license costs
See all Mailshake hidden costs →

ZoomInfo SalesOS 9 hidden costs

high
Upfront Annual Payment Requirement $15,000-$40,000
high
Unpredictable Renewal Price Increases 30-42% annual increase
high
Auto-Renewal and Cancellation Difficulties 15-30% of license costs
medium
Sales Process Time Investment 5-10% of license costs
high
Automatic Price Increases at Renewal 30-42% of license costs
See all ZoomInfo SalesOS hidden costs →

Contract Terms

Term Mailshake ZoomInfo SalesOS
Auto-renewal — Yes
Cancellation — Not clearly disclosed upfront
Minimum commitment — 1 year minimum, paid annually upfront
Price escalation 10-20% of license costs 30-42% annual price increases reported at renewal without clear advance notice
Can downgrade — No

Continue researching

Mailshake

ZoomInfo SalesOS

Related Comparisons