# TDF Calculator — user reviews

> 3 indexed App Store user reviews of TDF Calculator by Hiroyuki KATOH, rated 5.00/5 from 1 ratings.

- Source: https://appshunter.io/ios/app/tdf-calculator/id900087159/reviews
- App overview in markdown: https://appshunter.io/ios/app/tdf-calculator/id900087159.md
- Rating breakdown: 5★ 1 · 4★ 0 · 3★ 0 · 2★ 0 · 1★ 0

## Most critical reviews (3 lowest-rated)

### 1/5 — Not working

*2024-04-30, version 2.3.0*

App is repeatedly crashing
Tried 10 times to open it, finally uninstalled it

### 4/5 — Not working with IOS17.1

*2023-11-11, version 2.3.0*

Not working with IOS17.1

### 5/5 — Excellent app..

*2015-03-31, version 2.3.0*

Very useful for Radiation Oncologist..

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-19.*