6sense vs Apollo: who uses which
Customers, public proof and the companies that use both.
On usedby, 32 companies use 6sense and 71 use Apollo. 1 company uses both, including Snowflake. 6sense leads among the Marketing Tech companies on usedby that use either tool, Apollo among the HR & Recruiting companies.Latest check Oct 8, 2026: 92 of 103 public lines checked. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side.
Who uses 6sense, Apollo, or both
Every company with a public proof for at least one of the two tools.
30
use only 6sense
1
company uses both
69
use only Apollo
30 companies use only 6sense, 69 use only Apollo and 1 uses both, out of the 101 companies on usedby that use at least one of them.
1 more company is listed for both, with a job post on one side: not counted as using both.
Where it lands
Newest customers
We have not started tracking changes for 6sense yet.
Where it lands
Newest customers
No new customer since tracking started on October 4, 2026.
Who uses both
Companies with a confirmed or observed line on both tools.
| Company | First public proof, Apollo |
|---|---|
 Snowflake | On or before Aug 2026 |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use 6sense, Apollo or both: a share of the companies on usedby, not of the market.
6sense onlyBothApollo only
More common with 6sense
- Marketing Tech4 of the 7 Marketing Tech companies on usedby that use either tool use 6sense.
More common with Apollo
- HR & Recruiting6 of the 6 HR & Recruiting companies on usedby that use either tool use Apollo.
Source: confirmed and observed usedby lines. Job-post signals, the weakest proof level, are left out of these shares.
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
6senseApolloWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Questions about 6sense and Apollo
Which is used more, 6sense or Apollo?
Apollo has more customers on usedby: 71 against 32 for 6sense. 6sense leads among the Marketing Tech companies on usedby that use either tool, Apollo among the HR & Recruiting companies.
Do companies use both 6sense and Apollo?
Yes. 1 company uses both on usedby, including Snowflake.
Who uses 6sense?
32 companies on usedby, each with the public page that shows it. See who uses 6sense.
Who uses Apollo?
71 companies on usedby, each with the public page that shows it. See who uses Apollo.
How does usedby count customers?
A company counts when a public page shows it: a vendor's customer page, a case study, a press release or a job post, most saved with a dated capture. Every line is a customer, at one of three proof levels: confirmed, observed or signal (a job post, the weakest). A company is named as using both tools when its lines on both are confirmed or observed.