# Apollo vs UserGems: who uses which

On usedby, 71 companies use Apollo and 25 use UserGems. 2 companies use both, including Accord and Smartling. 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: 96 of 96 public lines checked.

## Side by side

|  | [Apollo](https://www.usedby.ai/tools/apollo.md) | [UserGems](https://www.usedby.ai/tools/usergems.md) |
|---|---|---|
| Public customers | 71 | 25 |
| Confirmed | 63 | 14 |
| Observed | 8 | 11 |
| Signals (job posts) | 0 | 0 |
| Top industries of customers | HR & Recruiting (6), Data & Analytics (3), DevTools & Infrastructure (3) | Marketing Tech (4), Sales Tech & CRM (3), Cybersecurity (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) | — |
| 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) | Core: $40,000 / year; Advanced: $75,000 / year; Elite: $150,000 / year ([usergems.com](https://www.usergems.com/pricing), checked 2026-10-08) |
| Security | — | SOC 2 Type II ([usergems.com](https://www.usergems.com/data-security), checked 2026-10-08) |
| Data processing terms | — | A data processing agreement is available. ([trust.usergems.com](https://trust.usergems.com/?__hstc=17958374.6fa2a8c8b552a9d2671fc4e8f0d95afa.1766617209359.1776892157984.1776946384120.30&amp%3B__hssc=17958374.2.1776946384120&amp%3B__hsfp=948b227d392ff5c7652b78ec898209e5), checked 2026-10-08) |

## Companies named on both

Confirmed or observed on each side. The first public proof is not an adoption date.

| Company | First public proof, Apollo |
|---|---|
| [Accord](https://www.usedby.ai/companies/accord.md) | On or before May 2026 |
| [Smartling](https://www.usedby.ai/companies/smartling.md) | On or before November 2024 |

## Published results

Reviewed stories only; usedby did not measure the figures.

- UserGems: [Mimecast](https://www.usedby.ai/case-studies/mimecast-usergems.md): **$18M**: “generated 276 sales opportunities worth over $18M in new business pipeline” (captured by usedby 2026-10-08)
- UserGems: [Accord](https://www.usedby.ai/case-studies/accord-usergems.md): **50-60%**: “50-60% 50–60% of outbound meetings come from UserGems signals & Gem-E.” (captured by usedby 2026-10-08)

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