# Apollo vs Warmly: who uses which

On usedby, 71 companies use Apollo and 30 use Warmly. No company is listed with both yet. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side. Latest check 2026-10-08: 101 of 101 public lines checked.

## Side by side

|  | [Apollo](https://www.usedby.ai/tools/apollo.md) | [Warmly](https://www.usedby.ai/tools/warmly.md) |
|---|---|---|
| Public customers | 71 | 30 |
| Confirmed | 63 | 20 |
| Observed | 8 | 10 |
| Signals (job posts) | 0 | 0 |
| Top industries of customers | HR & Recruiting (6), Data & Analytics (3), DevTools & Infrastructure (3) | Artificial Intelligence (1), EdTech & E-learning (1), Marketing Tech (1) |
| Category | Sales Prospecting & Enrichment | Sales Prospecting & Enrichment |
| Free trial | Free trial or free plan available. ([apollo.io](https://www.apollo.io/pricing), checked 2026-10-04) | — |
| Integrations | HubSpot, Salesforce, Slack, Adobe Marketo, Airtable, Albato, Amplitude, Asana, Clay, ClickUp, Coda, Chili Piper ([apollo.io](https://www.apollo.io/product/integrations), checked 2026-10-04) | HubSpot, Salesforce, Slack, Microsoft Teams, Marketo, Zoho, Pipedrive, Outreach, SalesLoft, Apollo, 6sense, Demandbase ([warmly.ai](https://www.warmly.ai/p/product/intent-signals/integration), checked 2026-10-08) |
| Pricing | Free: $0; Basic: $49 Per seat per month, billed annually; Professional: $79 Per seat per month, billed annually; Organization: $119 Per seat per month, (min 3 seats) billed annually ([apollo.io](https://www.apollo.io/pricing), checked 2026-10-04) | AI Web-Deanonymization: from $10,000 / year; Inbound Chat: from $20,000 / year; AI Inbound Autopilot: from $30,000 / year ([warmly.ai](https://www.warmly.ai/p/pricing), checked 2026-10-08) |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Warmly: [ScaleU](https://www.usedby.ai/case-studies/scaleu-warmly.md): **30 seconds**: “installed it on his Webflow site in about 30 seconds” (captured by usedby 2026-10-08)
- Warmly: [Behavioral Signals](https://www.usedby.ai/case-studies/behavioral-signals-warmly.md): **$40K**: “A $40K deal closed in just 7 days” (captured by usedby 2026-10-08)

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Source: https://www.usedby.ai/compare/apollo-vs-warmly · How we check: https://www.usedby.ai/methodology