Ironclad vs Supio: who uses which
Customers, public proof and the companies that use both.
On usedby, 58 companies use Ironclad and 24 use Supio. No company is listed with both yet. Ironclad leads among the DevTools & Infrastructure companies on usedby that use either tool.Latest check Oct 8, 2026: 77 of 82 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 Ironclad, Supio, or both
Every company with a public proof for at least one of the two tools.
58
use only Ironclad
0
companies use both
24
use only Supio
58 companies use only Ironclad, 24 use only Supio and 0 use both, out of the 82 companies on usedby that use at least one of them.
Where it lands
Newest customers
We have not started tracking changes for Ironclad yet.
Where it lands
No industry is known for these customers yet.
Newest customers
We have not started tracking changes for Supio yet.
Who uses both
Companies with a confirmed or observed line on both tools.
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Ironclad
SupioWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Ironclad
120 users across 12 workflows
Vinted
Vendor case study, ironcladapp.com, published Sep 23, 2025
Now for complex agreements, “It’s more like 3-5 days.”
Vontier
Vendor case study, ironcladapp.com, published Jan 5, 2026
Supio
Phillips Law Group achieved 17% higher settlement values
Phillips Law Group
Vendor case study, supio.com, published Jul 14, 2026
Each case earns 2.7x what the firm would have netted on a referral
Phillips Law Group
Vendor case study, supio.com, published Oct 7, 2026
Questions about Ironclad and Supio
Which is used more, Ironclad or Supio?
Ironclad has more customers on usedby: 58 against 24 for Supio.
Do companies use both Ironclad and Supio?
usedby has not found a company with a confirmed or observed line on both Ironclad and Supio yet.
Who uses Ironclad?
58 companies on usedby, each with the public page that shows it. See who uses Ironclad.
Who uses Supio?
24 companies on usedby, each with the public page that shows it. See who uses Supio.
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.