# How Fast Doctor uses Retool

**40%**: “It cut administrative operating costs by 40%.”

As published on [retool.com](https://retool.com/customers/fast-doctor-customer-story). Captured by usedby on 2026-10-24.

- Company: [Fast Doctor](https://www.usedby.ai/companies/fast-doctor.md)
- Tool: [Retool](https://www.usedby.ai/tools/retool.md)
- Teams: Online Business Division

## 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.

Summary written by usedby from the source page, in English. The figures are those of Retool and Fast Doctor, not ours.

> 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%.

- **55%**: “cut prescription delivery lead time by 55%”
- **10%**: “reduced no-shows by 10%”
- **152**: “Fast Doctor now runs 152 apps and 107 workflows”
- **40,000**: “generating more than 40,000 executions a month”

## Other companies using Retool

- [Avo](https://www.usedby.ai/companies/avo.md) — Confirmed
- [Brex](https://www.usedby.ai/companies/brex.md) — Confirmed
- [Checkout.com](https://www.usedby.ai/companies/checkout-com.md) — Confirmed
- [ClickUp](https://www.usedby.ai/companies/clickup.md) — Confirmed
- [Descript](https://www.usedby.ai/companies/descript.md) — Confirmed
- [Doordash](https://www.usedby.ai/companies/doordash.md) — Confirmed

## What usedby checked

We compared the story with its live page on 2026-10-24.

- Checked: the figure 40% is printed word for word on the page, near the name of Fast Doctor.
- Checked: the passage quoted above is copied word for word from the page, near the name of Fast Doctor.
- Checked: Fast Doctor uses Retool. Confirmed line. Latest check across sources: 2026-10-24.
- Not checked: the result itself. We quote it; we did not measure it.

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Source: https://www.usedby.ai/case-studies/fast-doctor-retool · How we check: https://www.usedby.ai/methodology