On usedby, 26 companies use Guru and 40 use Listen. No company is listed with both yet.Latest check Oct 5, 2026: 52 of 66 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 Guru, Listen, or both
Every company with a public proof for at least one of the two tools.
26
use only Guru
0
companies use both
40
use only Listen
26 companies use only Guru, 40 use only Listen and 0 use both, out of the 66 companies on usedby that use at least one of them.
Where it lands
Newest customers
No new customer since tracking started on October 3, 2026.
Where it lands
Newest customers
We have not started tracking changes for Listen 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.
Guru
ListenWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Guru
No reviewed story for Guru yet.
Listen
the team shipped StudyArena in roughly half the time it took to build A1Zap
A1Base
Vendor case study, listenlabs.ai, captured Oct 2, 2026
Think about it as 100 studies for the price, at least in terms of time, of five or six.
Anthropic
Vendor case study, listenlabs.ai, captured Oct 2, 2026
Questions about Guru and Listen
Which is used more, Guru or Listen?
Listen has more customers on usedby: 40 against 26 for Guru.
Do companies use both Guru and Listen?
usedby has not found a company with a confirmed or observed line on both Guru and Listen yet.
Who uses Guru?
26 companies on usedby, each with the public page that shows it. See who uses Guru.
Who uses Listen?
40 companies on usedby, each with the public page that shows it. See who uses Listen.
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.