ApolloThe AI GTM System for Go-to-Market Teams
vs
MailjetDesign, deliver, and automate marketing and transactional emails together
Comparison · Email Marketing · weekly run Nov 2
Apollo vs Mailjet
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Mailjet is the stronger AI pick in Email Marketing: it has a visibility score of 3.8 versus 0.4 for Apollo.
Choose Apollo if…
- You need more native integrations (200+ vs 100+)
- AI answers describe it more positively (60% vs 0% positive)
- You need ISO/IEC 27001 or CASA Tier 2 or CPRA or EU-US DPF coverage
- You prefer a larger, established vendor (501–1,000 employees)
Choose Mailjet if…
- You want the brand AI engines rank higher (3.8 vs 0.4)
- You need ISO 27001 or ISO 27701 or CSA STAR Level 1 or HIPAA or Certified Senders Alliance coverage
- Flat tiers pricing suits your budget better than per seat
- straightforward annual pricing discount
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Apollo | Mailjet |
|---|---|---|
| Visibility score | 0.4% | 3.8% |
| Change vs last week | New | New |
| Rank in Email Marketing | #40 | #19 |
| Share of voice | 0.3% | 1.7% |
| Mentions this run | 1 | 9 |
| 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 0pp · Mailjet 0pp over 0 weekly runs.
Engine by engine
Mailjet leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
ApolloMailjet
Head to head in AI answers
0 engine answers name both brands
0Apollo ranked higher
0Mailjet ranked higher
Features, pricing & fit
| Dimension | Apollo | Mailjet |
|---|---|---|
| Pricing model | Per seat | Flat tiers |
| Entry price | Contact sales | Free; paid from $9 / mo |
| Free plan | Yes | Yes |
| Deployment | Cloud platform | Cloud-hosted in EU data centers |
| Integrations | 200+ | 100+ |
| Compliance | GDPR, SOC 2, CCPA, ISO/IEC 27001, CASA Tier 2, CPRA, EU-US DPF, PCI DSS | ISO 27001, ISO 27701, SOC 2, GDPR, CCPA, PCI DSS, CSA STAR Level 1, HIPAA, Certified Senders Alliance |
| Support | Email support at support@apollo.io, Dedicated support on Custom plans, Sales team for Custom plan discussions | Online support, Priority support (Premium plan), Phone and chat support (from 50k plan), Dedicated Technical Account Manager (Custom plan) |
| Founded | 2015 | 2010 |
| Headquarters | San Francisco, CA | Paris, France |
| Employees | 501–1,000 | 51–200 |
| Funding | Series D · $250M raised | Series Unknown (investment by Entrepreneur Venture, amount undisclosed) |
| Best for | Sales and go-to-market teams that run prospecting, outreach and dialing and want data, AI and execution in one system | Marketing and development teams that want marketing and transactional email on one platform |
Plans side by side
Mailjet
Free$0month
Starter$9month (8,000 emails/month)
Essential$19month (15,000 emails/month)
Premium$29month (15,000 emails/month)
CustomCustomcustom quote
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
Mailjet
- straightforward annual pricing discount
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Apollo vs Mailjet”, https://slateindex.ai/compare/apollo-vs-mailjet, data of Nov 2, 2026. Licence: CC BY 4.0.