Apollo.io vs Sillage
Apollo.io vs Sillage, compared side by side on 16 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Apollo.io is on 53/100 and Sillage on 44/100.
Where each one leads
Apollo.io
- our overall score: 53/100 against 44/100
- agent readiness: 44/100 against 22/100
- domain rating: 84/100 against 3/100
Sillage
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Apollo.io | Sillage |
|---|---|---|
| What it is | Apollo.io is an AI-powered go-to-market platform for B2B sales, offering tools for prospecting, multichannel outreach, data enrichment, and deal management to accelerate pipeline generation and close deals. | AI startup helping enterprise sales teams turn buying signals into qualified pipeline. |
| Category | Sales Data Providers, Sales Data, Sales Engagement Platform, Sales Enablement | Sales Intelligence, Go-to-Market Automation, Revenue Operations, AI Agents |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Platform |
| Founded | 2017 | 2025 |
| Headquarters | San Francisco, United States | Paris, France |
| Status | Active | Active |
Size, funding and growth
| Measure | Apollo.io | Sillage |
|---|---|---|
| Total funding | Not published | $2.0M |
| Latest round | Not published | Pre-Seed |
| LinkedIn followers | 295,171 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Apollo.io | Sillage |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 53/100 | 44/100 |
| Traction | Not published | 32/100 |
| Team | 30/100 | 70/100 |
| Search visibility | 54/100 | 26/100 |
| Quality | 78/100 | 48/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (44/100) | F (22/100) |
| Domain ratingLink authority, 0-100 | 84/100 | 3/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Apollo.io | Sillage |
|---|---|---|
| Hosting | Netlify | Vercel |
| CDN | Cloudflare | Vercel |
| Frameworks | Next.js, Tailwind CSS | Not detected |
| Analytics | Google Tag Manager, Amplitude | Google Analytics 4 |
Product and pricing
| Measure | Apollo.io | Sillage |
|---|---|---|
| Key features | Pipeline Builder, Living Data Network, Multichannel Outreach, AI Assistants & Scoring, Data Enrichment, Call Assistant & Conversation Intelligence | Not published |
Apollo.io vs Sillage: common questions
Which is better, Apollo.io or Sillage?
On our 0-100 score Apollo.io rates higher (53/100 against 44/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 16 data points above: read the rows that match what you are buying for.
How do Apollo.io and Sillage compare on the numbers?
Apollo.io leads on our overall score (53/100 against 44/100), agent readiness (44/100 against 22/100), domain rating (84/100 against 3/100).
Read the full Apollo.io review and pricing or the Sillage review and pricing. You can also browse other Apollo.io alternatives we track.