Best Radiation Calculator Apps

248+ iOS apps curated and reviewed

4.3 avg rating
19 free apps
Updated August 2026

RadAegis is the household name in radiation calculator, but it's far from the only option. We track 248+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Radiation Calculator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1RadAegis: Radiation SafetyRadAegis: Radiation SafetyFree5.0★ (1)NoYesAug 2026
2Rad Onc CalcRad Onc CalcFree was $9.994.6★ (12)NoNoMay 2026
3BED Calculator : RadiotherapyBED Calculator : RadiotherapyFree5.0★ (3)NoNoAug 2026
4Radiator Calculator ProRadiator Calculator ProFree was $0.99NoNoAug 2026
5DPM CalculatorDPM CalculatorFreeNoNoMay 2026
6EQD2 CalculatorEQD2 CalculatorFree was $2.995.0★ (2)NoNoAug 2026
7Euler Gamma: NDT CalculatorEuler Gamma: NDT CalculatorFreeNoNoJun 2026
8EMF CalculatorEMF CalculatorFreeNoNoMay 2026

Top Picks for Radiation Calculator

RadAegis: Radiation Safety#1

RadAegis: Radiation Safety by Fouled Anchor Safety LLC

Health & Medical Physics Tools
Editor's Choice
💼 Business
5.0(1 ratings)
FreeIn-App Purchases
RadAegis: Radiation Safety screenshot 1
RadAegis: Radiation Safety screenshot 2
RadAegis: Radiation Safety screenshot 3
RadAegis: Radiation Safety screenshot 4
RadAegis: Radiation Safety screenshot 5
RadAegis: Radiation Safety screenshot 6

This app provides professional radiation safety tools, including isotope data, dose calculators, and operational workflows. It's designed for RSOs, health physicists, and medical physics professionals, offering a comprehensive mobile solution for radiation safety management.

BED Calculator : Radiotherapy#3

BED Calculator : Radiotherapy by MARGINAL GAINS INC.

BED EQD2 & Fraction Calculator
Worth Considering
🏥 Medical
5.0(3 ratings)
Free
BED Calculator : Radiotherapy screenshot 1
BED Calculator : Radiotherapy screenshot 2
BED Calculator : Radiotherapy screenshot 3
BED Calculator : Radiotherapy screenshot 4

This tool helps radiation oncology professionals calculate Biological Effective Dose (BED) and Equivalent Dose in 2 Gy fractions (EQD2) using the Linear-Quadratic model. It offers a streamlined interface for rapid dose calculations, including cumulative dose summation and fractionation conversion, and is now available on Apple Watch.

More Radiation Calculator apps to explore

4
Radiator Calculator Pro
Radiator Calculator Pro
Radiator Calculator Pro
Heat Output & BTU Calculator
Free
$0.99 | 100% OFF

Accurately calculate the heating requirements for any room in your home. This tool supports unlimited rooms, offers precise calculations in Watts and BTU, and features a clean, intuitive design with dark mode support.

Calculate heating requirementsSupport for all room typesPrecise Watts and BTU output
🔧 Utilities
(0)
paid
5
DPM Calculator
DPM Calculator
DPM Calculator
dpm/100cm2 calculations easy
Free
🔧 Utilities
(0)
6
EQD2 Calculator
EQD2 Calculator
EQD2 Calculator
by Jon Giambattista
Free
$2.99 | 100% OFF

Calculate radiation dose in equivalent 2 Gy fractions and biological equivalent dose (BED). The app offers selectable alpha beta ratios for normal tissues and tumors, and includes a dose conversion mode for custom calculations.

Calculate EQD2Calculate BEDSelectable alpha beta ratios
🏥 Medical
(2)
free
7
Euler Gamma: NDT Calculator
Euler Gamma: NDT Calculator
Euler Gamma: NDT Calculator
Radiography Safety Tools
Free
🔧 Utilities
(0)
8
EMF Calculator
EMF Calculator
EMF Calculator
by Wavecontrol SL
Free
🔧 Utilities
(0)
9
Mobile REMM
Mobile REMM
Mobile REMM
by Assistant Secretary for Preparedness and Response
Free

Provides guidance for healthcare providers on the clinical diagnosis and treatment of radiation injury. Offers downloadable information, patient management algorithms, dose estimators, and triage tools for radiological and nuclear emergencies.

Clinical diagnosis and treatment guidanceRadiation injury management algorithmsDose estimator for radiation exposure
🏥 Medical
(5)
free
10
Personal Dosimetry Assistant
Personal Dosimetry Assistant
Personal Dosimetry Assistant
PDA
Free
🔧 Utilities
(0)
11
OpenRadiation
OpenRadiation
OpenRadiation
Measure radioactivity
Free

Measure ambient radioactivity levels and assess your exposure to ionizing radiation using a compatible sensor. Contribute to a citizen science project by sharing your measurements to build a collaborative database.

Measure radioactivity levelsAssess radiation exposureContribute to citizen science
🔧 Utilities
(4)
free
12
ScanDose
ScanDose
ScanDose
by radiology.team solutions UG (haftungsbeschränkt)
$1.99
🏥 Medical
(0)
13
RadiationDoseTracker
RadiationDoseTracker
RadiationDoseTracker
by Bikram Karki
Free
$2.99 | 100% OFF
🏥 Medical
(0)
14
CurieWise Dosimeter Lite
CurieWise Dosimeter Lite
CurieWise Dosimeter Lite
Enhance safety awareness
Free
📊 Productivity
(0)
15
KC761 Mapper
KC761 Mapper
KC761 Mapper
by 骁 吴
Free
🔧 Utilities
(0)
16
Nuclear Med Suite
Nuclear Med Suite
Nuclear Med Suite
The nuclear medicine toolbox
Free
🏥 Medical
(0)
17
TDF Calculator
TDF Calculator
TDF Calculator
by Hiroyuki KATOH
Free

This app simplifies the calculation of normal tissue tolerance dose in radiotherapy using the TDF factor. It offers an easy-to-use interface for radiation oncology professionals to quickly obtain results and understand the impact of fractionation on different tissues.

Calculates TDF factors for normal tissue tolerance doseSupports two TDF factor versions (1973 and 1986)Calculates TDF factors for three different conditions simultaneously
🏥 Medical
(1)
free
18
Decay Lab
Decay Lab
Decay Lab
Radionuclide Decay Tool
Free
🔧 Utilities
(0)
19
Radiacode
Radiacode
Radiacode
by Radiacode Ltd
Free

This application enhances a radiation monitoring device, offering real-time data analysis, interactive dashboards, and advanced search functions. It visualizes isotopes, detects food contamination, and maps radiation levels geographically, providing detailed insights into radiation environments.

Interactive real-time dashboardAdvanced ionizing radiation searchAlarms for radiation limits
📚 Education
(93)
free
20
RadMobile
RadMobile
RadMobile
Radiation measurement monitor
Free
🔧 Utilities
(0)

FAQ about Radiation Calculator

What are the best radiation calculator apps for iPhone?
RadAegis: Radiation Safety tops our radiation calculator apps ranking as of August 2026, with a 5.0-star average from 1 App Store ratings, and it's free to download.
Yes — 19 of the top radiation calculator apps we rank are free to download, including RadAegis: Radiation Safety and Rad Onc Calc.
RadAegis: Radiation Safety has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 248+ radiation calculator apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
RadAegis is a mobile application designed to provide professional radiation safety tools, including isotope data, dose calculators, and operational workflows for health physicists and medical physics professionals.
RadAegis offers a monthly subscription for $9.99, an annual subscription for $99.99 (with a ~17% saving), and a discounted annual military subscription for $79.99. A 30-day trial is available.