Apollo vs OutMass
Apollo
apollo.ioOutMass
getoutmass.comSide by side
| Figure | Apollo | OutMass |
|---|---|---|
| Price from | $49/mo | $9/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | — |
| Plans published | 2 | 3 |
| Spec score · Email Tracking Software | 9.0 (#8) | 8.1 (#19) |
| Headquarters | Covina, California, United States | 71-75 Shelton Street, Covent Garden, London, WC2H 9JQ, United Kingdom |
| Integrations | Apollo lists Salesforce, HubSpot, Outreach, SalesLoft, Marketo, Sendgrid, LinkedIn, and major email providers among its integrations. | The service uses Microsoft Graph API, Supabase, Stripe, Upstash, and PostHog as third-party services. |
| Product | Apollo describes itself as a data intelligence and sales engagement platform for go-to-market teams. | OutMass is a Chrome and Edge extension that adds mail merge and mass email to Outlook on the web. |
| Security | Apollo says it is ISO 27001 and SOC 2 certified and GDPR compliant, and encrypts data in transit and at rest. | The privacy policy states that OutMass uses HTTPS/TLS, secure OAuth token storage, access controls, authentication, and regular security reviews. |
| Support | Apollo describes its Custom plan as including dedicated support. | Pro includes priority support, and the listed support email is [email protected]. |
Plans
In their own words
Apollo
Apollo is a data intelligence and sales engagement platform for go-to-market teams. It describes a prospecting database with more than 240 million contacts and 30 million accounts, alongside email sequencing, automated outreach, dialing, call recording and pipeline tools. Apollo’s agents can research accounts, prioritize leads, write outreach, follow up and book meetings. The platform lists more than 200 integrations, including Salesforce, HubSpot, Outreach, SalesLoft, Marketo, Sendgrid, LinkedIn and major email providers. Its free Chrome extension provides contact and account insights, email finding and dialing, and can add prospects to lists or sequences. The Free plan is free and includes 900 credits per seat per year, granted monthly, two sequences, API access and one intent topic. Basic costs $49 a month billed annually, with 30,000 credits per seat per year granted upfront, email sequencing and core integrations. Trial credits and features are subject to limits; unused credits expire at the end of each billing cycle.