Insider One vs Mutiny: who uses which
Customers, public proof and the companies that use both.
On usedby, 40 companies use Insider One and 23 use Mutiny. No company is listed with both yet. Insider One leads among the Fashion & Apparel companies on usedby that use either tool, Mutiny among the DevTools & Infrastructure companies.Latest check Oct 8, 2026: 58 of 63 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 Insider One, Mutiny, or both
Every company with a public proof for at least one of the two tools.
40
use only Insider One
0
companies use both
23
use only Mutiny
40 companies use only Insider One, 23 use only Mutiny and 0 use both, out of the 63 companies on usedby that use at least one of them.
Where it lands
Newest customers
No new customer since tracking started on October 8, 2026.
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.
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Insider One, Mutiny or both: a share of the companies on usedby, not of the market.
Insider One onlyBothMutiny only
More common with Insider One
- Fashion & Apparel5 of the 5 Fashion & Apparel companies on usedby that use either tool use Insider One.
More common with Mutiny
- DevTools & Infrastructure5 of the 5 DevTools & Infrastructure companies on usedby that use either tool use Mutiny.
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.
Insider OneMutinyWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Insider One
How Slazenger gained 49x ROI in only 8 weeks
Slazenger
Vendor case study, insiderone.com, published Aug 31, 2026
$310K in incremental revenue
Safat Home
Vendor case study, insiderone.com, published Jul 10, 2023
Mutiny
saving up to 20 hours a week
Delphi
Vendor case study, mutinyhq.com, captured Oct 4, 2026
15 hours Saves 15 Hours per Week on Admin with Mutiny
Atomicwork
Vendor case study, mutinyhq.com, captured Oct 4, 2026
Questions about Insider One and Mutiny
Which is used more, Insider One or Mutiny?
Insider One has more customers on usedby: 40 against 23 for Mutiny. Insider One leads among the Fashion & Apparel companies on usedby that use either tool, Mutiny among the DevTools & Infrastructure companies.
Do companies use both Insider One and Mutiny?
usedby has not found a company with a confirmed or observed line on both Insider One and Mutiny yet.
Who uses Insider One?
40 companies on usedby, each with the public page that shows it. See who uses Insider One.
Who uses Mutiny?
23 companies on usedby, each with the public page that shows it. See who uses Mutiny.
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.