The use case: how Fast Doctor deploys Retool
Fast Doctor, a Japanese on-demand house-call and telemedicine provider, uses Retool to rapidly build and test apps and workflows for new medical departments during proof-of-concept and product-market-fit stages. Most are built by non-engineer leads, with engineer review and governance.
More reported results
Figures published in Retool’s case study. They are not independently measured by usedby.
cut prescription delivery lead time by 55%
reduced no-shows by 10%
Fast Doctor now runs 152 apps and 107 workflows
generating more than 40,000 executions a month
Other companies using Retool
Customers across industries, with public evidence.
See all Retool customersGo straight to the source
Based on Retool’s published case study. We check the public evidence; the results are reported by the vendor.
retool.com- Last checked
- Oct 24, 2026
Open source capture What the story claims, and what we checked
What we compared with the page.
- The figure: 40%Checked
Printed word for word on the page, near the name of Fast Doctor.
- The passage quoted aboveChecked
Copied word for word from the page, near the name of Fast Doctor.
- Fast Doctor uses RetoolChecked
Confirmed line.
- The result itselfNot checked
We quote it; we did not measure it.
A case management tool for new medical departments was built by a single business lead in about three weeks, supporting cross-functional coordination like inquiry handling and patient support tracking. It cut administrative operating costs by 40%.





