# Radioactive Decay Calculator — user reviews

> 4 indexed App Store user reviews of Radioactive Decay Calculator by PerkinElmer Informatics, Inc, rated 2.80/5 from 12 ratings.

- Source: https://appshunter.io/ios/app/radioactive-decay-calculator/id846834886/reviews
- App overview in markdown: https://appshunter.io/ios/app/radioactive-decay-calculator/id846834886.md
- Rating breakdown: 5★ 5 · 4★ 0 · 3★ 1 · 2★ 0 · 1★ 6

## Most critical reviews (4 lowest-rated)

### 1/5 — App needs to be updated

*2023-10-23*

This app needs to be updated to work with iOS 17.0.3

### 1/5 — Disappointed how do I get my money back. Totally useless

*2018-12-24, version 1.0*

If I am looking at it correctly there seems to be a very l limited list of isotopes to choose from.  Surprise.  Common isotopes are not available.

### 1/5 — Would be great....

*2018-01-09, version 1.0*

No 99m-tc. One of the MAIN isotopes used in nuclear medicine.

### 5/5 — Beautiful App

*2014-04-03, version 1.0*

One of the most beautiful science calculators on the store.  Also makes a very nice short report that can be emailed and added to a lab notebook or technicians work list.

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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 2026-06-10.*