---
title: "Gamma Guru - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "Gamma Guru provides fast, convenient access to a library of over 400 radioisotopes. Simply select an isotope of interest from the Isotope Library to view the associated gamma-rays and branching ratios"
---

# Gamma Guru — United States
> Gamma-ray Energy Reference

![Gamma Guru App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/d3/74/42/d37442d8-dc44-6565-604d-e15bc417d187/AppIcon-0-0-1x_U007emarketing-0-11-0-85-220.png/434x0w.png)

**Developer:** [Matthew Kiser](https://apptail.io/developer/matthew-kiser-lfSd)
**Category:** Reference
**Rating:** 5.0/5 (2 ratings)
**Price:** $3.99
**Bundle ID:** KiserSoft.Gamma-Guru
**Store:** Apple App Store
**Country:** United States
**Version:** 1.5 (released 2026-02-10)
**Original Release:** 2022-02-20
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id1610890905)
**AppTail Page:** [https://apptail.io/app/gamma-guru-lHej/united-states](https://apptail.io/app/gamma-guru-lHej/united-states)

## Gamma Guru Description
Gamma Guru provides fast, convenient access to a library of over 400 radioisotopes. Simply select an isotope of interest from the Isotope Library to view the associated gamma-rays and branching ratios and other information. Alternatively, enter up to three gamma-ray energies to see a list of isotopes that emit those gammas. Gamma Guru also includes radioactive decay and dose rate calculators.

## Gamma Guru Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/55/34/63/553463de-fee3-b7ff-50e6-61d34a6342d0/Simulator_Screenshot_-_iPhone_14_Plus_-_2026-02-06_at_20.59.27.png/1284x2778.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/69/33/0f/69330f4c-4f9c-a1e0-763f-7e3ff806cfee/Simulator_Screenshot_-_iPhone_14_Plus_-_2026-02-06_at_21.00.16.png/1284x2778.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/ae/82/9b/ae829b84-5af2-5643-8823-9985efd96e7d/Simulator_Screenshot_-_iPhone_14_Plus_-_2026-02-06_at_21.00.26.png/1284x2778.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/39/ca/2e/39ca2e31-6a4b-4fca-ecfc-d0b0ae036acc/Simulator_Screenshot_-_iPhone_14_Plus_-_2026-02-06_at_20.59.57.png/1284x2778.png)

## Gamma Guru Rating Breakdown in United States
- 5 stars: 2 (100%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)





## Apps Similar to Gamma Guru
- [Isotope Browser](https://apptail.io/app/isotope-browser-djRc/united-states)
- [Pilot Handbook](https://apptail.io/app/pilot-handbook-bObe/united-states)
- [CBRNResponder](https://apptail.io/app/cbrnresponder-CLoe/united-states)
- [Stamp Analyser](https://apptail.io/app/stamp-analyser-XIwe/united-states)
- [Decay Tree](https://apptail.io/app/decay-tree-CHSe/united-states)
- [Chart of the Nuclides](https://apptail.io/app/chart-of-the-nuclides-HHSe/united-states)
- [South College XR](https://apptail.io/app/south-college-xr-MIej/united-states)
- [QRCConnect](https://apptail.io/app/qrcconnect-xTVj/united-states)
- [WM Symposia 2024](https://apptail.io/app/wm-symposia-2024-Nwsp/united-states)

## Gamma Guru Available In
- [United States](https://apptail.io/app/gamma-guru-lHej/united-states)
- [Argentina](https://apptail.io/app/gamma-guru-lHej/argentina)
- [Australia](https://apptail.io/app/gamma-guru-lHej/australia)
- [Belgium](https://apptail.io/app/gamma-guru-lHej/belgium)
- [Canada](https://apptail.io/app/gamma-guru-lHej/canada)
- [Switzerland](https://apptail.io/app/gamma-guru-lHej/switzerland)
- [Chile](https://apptail.io/app/gamma-guru-lHej/chile)
- [Colombia](https://apptail.io/app/gamma-guru-lHej/colombia)
- [Czechia](https://apptail.io/app/gamma-guru-lHej/czechia)
- [Germany](https://apptail.io/app/gamma-guru-lHej/germany)
- [Dominican Republic](https://apptail.io/app/gamma-guru-lHej/dominican-republic)
- [Egypt](https://apptail.io/app/gamma-guru-lHej/egypt)
- [Spain](https://apptail.io/app/gamma-guru-lHej/spain)
- [United Kingdom](https://apptail.io/app/gamma-guru-lHej/united-kingdom)
- [Greece](https://apptail.io/app/gamma-guru-lHej/greece)
- [Hungary](https://apptail.io/app/gamma-guru-lHej/hungary)
- [India](https://apptail.io/app/gamma-guru-lHej/india)
- [Italy](https://apptail.io/app/gamma-guru-lHej/italy)
- [Kuwait](https://apptail.io/app/gamma-guru-lHej/kuwait)
- [Lebanon](https://apptail.io/app/gamma-guru-lHej/lebanon)
- [Mexico](https://apptail.io/app/gamma-guru-lHej/mexico)
- [Malaysia](https://apptail.io/app/gamma-guru-lHej/malaysia)
- [Netherlands](https://apptail.io/app/gamma-guru-lHej/netherlands)
- [Peru](https://apptail.io/app/gamma-guru-lHej/peru)
- [Poland](https://apptail.io/app/gamma-guru-lHej/poland)
- [Saudi Arabia](https://apptail.io/app/gamma-guru-lHej/saudi-arabia)
- [Sweden](https://apptail.io/app/gamma-guru-lHej/sweden)
- [Singapore](https://apptail.io/app/gamma-guru-lHej/singapore)
- [Thailand](https://apptail.io/app/gamma-guru-lHej/thailand)
- [Ukraine](https://apptail.io/app/gamma-guru-lHej/ukraine)
- [Vietnam](https://apptail.io/app/gamma-guru-lHej/vietnam)
- [United Arab Emirates](https://apptail.io/app/gamma-guru-lHej/united-arab-emirates)
- [South Africa](https://apptail.io/app/gamma-guru-lHej/south-africa)

---

## About AppTail

[AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends.

- [Search Apps](https://apptail.io)
- [Top Charts](https://apptail.io/top-iphone-apps)
- [Sign Up for Full Access](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=footer)

*Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*