Apollo vs Mailshake
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Apollo is the stronger AI pick in Sales Engagement: it has a visibility score of 51 versus 1.5 for Mailshake, and ranks ahead in 100% of the answers that name both.
Choose Apollo if…
- You want the brand AI engines rank higher (51 vs 1.5)
- AI answers describe it more positively (60% vs 0% positive)
- You need GDPR or SOC 2 or CCPA or ISO/IEC 27001 or CASA Tier 2 or CPRA or EU-US DPF or PCI DSS coverage
- You prefer a larger, established vendor (501–1,000 employees)
Choose Mailshake if…
- discounts for annual billing
- clear published annual prices
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Apollo | Mailshake |
|---|---|---|
| Visibility score | 51% | 1.5% |
| Change vs last week | down−2.8% | up+0.6% |
| Rank in Sales Engagement | #4 | #35 |
| Share of voice | 9.4% | 0.6% |
| Mentions this run | 59 | 4 |
| Positive in AI answers | 60% | 0% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Apollo −2.799999999999997pp · Mailshake +0.6pp over 1 weekly runs.
Engine by engine
Apollo leads on 3 of 3 engines
Head to head in AI answers
4 engine answers name both brands
| Prompt | Engine | Apollo | Mailshake |
|---|---|---|---|
| What are the best Sales Engagement tools in 2026? | Perplexity | #3 | #11 |
| Is there a free sales engagement platform for small teams? | AI Mode | #3 | #5 |
| Which Sales Engagement tools offer annual discounts? | Perplexity | #3 | #11 |
| Official website of the top sales engagement platform vendors | Perplexity | #6 | #11 |
Features, pricing & fit
| Dimension | Apollo | Mailshake |
|---|---|---|
| Pricing model | Per seat | — |
| Entry price | Contact sales | — |
| Free plan | Yes | — |
| Deployment | Cloud platform | — |
| Integrations | 200+ | — |
| Compliance | GDPR, SOC 2, CCPA, ISO/IEC 27001, CASA Tier 2, CPRA, EU-US DPF, PCI DSS | — |
| Support | Email support at support@apollo.io, Dedicated support on Custom plans, Sales team for Custom plan discussions | Dedicated onboarding and campaign review sessions, Open office hours, Weekly live training, Get support |
| Founded | 2015 | 2015 |
| Headquarters | San Francisco, CA | Austin, Texas, United States |
| Employees | 501–1,000 | 11–50 |
| Funding | Series D · $250M raised | PE Growth (investor: Ramp Ventures) |
| Best for | Sales and go-to-market teams that run prospecting, outreach and dialing and want data, AI and execution in one system | Sales leaders, sales reps, agencies and marketers running cold email outreach |
Plans side by side
Mailshake
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
Apollo
- Large B2B contact database combined with prospecting and email sequencing
- Transparent self-serve per-user pricing with a free tier
- Strong all-in-one value for prospecting and outreach
- Affordable, reliable choice for small teams and startups
- Widely used and highly rated by reviewers
Mailshake
- discounts for annual billing
- clear published annual prices
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 98.8%·next run
Cite as: SlateIndex, “Apollo vs Mailshake”, https://slateindex.ai/compare/apollo-vs-mailshake, data of Nov 3, 2026. Licence: CC BY 4.0.