Apollo vs Reply.io
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 14.4 for Reply.io, and ranks ahead in 96% of the answers that name both.
Choose Apollo if…
- You want the brand AI engines rank higher (51 vs 14.4)
- You want a free plan to start
- AI answers describe it more positively (60% vs 42% positive)
- You need CCPA or ISO/IEC 27001 or CASA Tier 2 or CPRA or EU-US DPF or PCI DSS coverage
Choose Reply.io if…
- Flat tiers pricing suits your budget better than per seat
- Multichannel outreach and AI-assisted engagement across email, calls, LinkedIn and more
- 14-day free trial to test core sequencing and automation
- Transparent self-serve pricing with annual discounts
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Apollo | Reply.io |
|---|---|---|
| Visibility score | 51% | 14.4% |
| Change vs last week | down−2.8% | down−3.3% |
| Rank in Sales Engagement | #4 | #6 |
| Share of voice | 9.4% | 3.5% |
| Mentions this run | 59 | 23 |
| Positive in AI answers | 60% | 42% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Apollo −2.799999999999997pp · Reply.io −3.299999999999999pp over 1 weekly runs.
Engine by engine
Apollo leads on 3 of 3 engines
Head to head in AI answers
23 engine answers name both brands
| Prompt | Engine | Apollo | Reply.io |
|---|---|---|---|
| What are the best Sales Engagement tools in 2026? | Perplexity | #3 | #6 |
| Top sales engagement platform options for B2B SaaS companies | ChatGPT | #3 | #5 |
| Best sales engagement platform for startups | ChatGPT | #1 | #4 |
| Compare the leading Sales Engagement platforms | ChatGPT | #3 | #5 |
| Compare the leading Sales Engagement platforms | Perplexity | #5 | #6 |
| Alternatives to the most popular sales engagement platform | ChatGPT | #3 | #4 |
| Alternatives to the most popular sales engagement platform | Perplexity | #3 | #5 |
| Best sales engagement platform with AI features | ChatGPT | #3 | #5 |
| Most affordable sales engagement platform that is still reliable | ChatGPT | #1 | #9 |
| Most affordable sales engagement platform that is still reliable | AI Mode | #1 | #5 |
| Which Sales Engagement vendors do analysts recommend? | Perplexity | #5 | #9 |
| How much does a sales engagement platform cost per month? | ChatGPT | #2 | #3 |
Features, pricing & fit
| Dimension | Apollo | Reply.io |
|---|---|---|
| Pricing model | Per seat | Flat tiers |
| Entry price | Contact sales | $49 / mo |
| Free plan | Yes | No · 14-day trial |
| Deployment | Cloud platform | — |
| Integrations | 200+ | — |
| Compliance | GDPR, SOC 2, CCPA, ISO/IEC 27001, CASA Tier 2, CPRA, EU-US DPF, PCI DSS | SOC 2, GDPR |
| Support | Email support at support@apollo.io, Dedicated support on Custom plans, Sales team for Custom plan discussions | Live chat, Email, CSM onboarding |
| Founded | 2015 | 2014 |
| Headquarters | San Francisco, CA | San Jose, California, US |
| Employees | 501–1,000 | 51–200 |
| Funding | Series D · $250M raised | Series A |
| Best for | Sales and go-to-market teams that run prospecting, outreach and dialing and want data, AI and execution in one system | Founders, sales teams, and agencies who need results fast without juggling 5+ tools. |
Plans side by side
Reply.io
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
Reply.io
- Multichannel outreach and AI-assisted engagement across email, calls, LinkedIn and more
- 14-day free trial to test core sequencing and automation
- Transparent self-serve pricing with annual discounts
- Affordable, lower-cost option
- Strong choice for smaller and mid-market sales teams
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 98.8%·next run
Cite as: SlateIndex, “Apollo vs Reply.io”, https://slateindex.ai/compare/apollo-vs-reply-io, data of Nov 3, 2026. Licence: CC BY 4.0.