Best Tdf Calculator Apps

218+ iOS apps curated and reviewed

4.7 avg rating
16 free apps
Updated June 2026

Whether you're new to tdf calculator or looking for an upgrade, our curated collection of 218+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for Tdf Calculator

TDF Calculator#1

TDF Calculator by Hiroyuki KATOH

Editor's Choice
🏥 Medical
5.0(1 ratings)
Free
TDF Calculator screenshot 1
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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.

TDF Calc#2

TDF Calc by Eye Physics

Time Dose Fractionation
Strong Contender
🏥 Medical
5.0(1 ratings)
Free
TDF Calc screenshot 1
TDF Calc screenshot 2
TDF Calc screenshot 3
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TDF Calc screenshot 5
TDF Calc screenshot 6

This app calculates the biologically effective dose (BED) for radiation therapy fractionation regimens. It allows for comparisons of different treatment schedules and helps determine dose per fraction based on desired treatment duration.

Calculator for iPad₊#3

Calculator for iPad₊ by Impala Studios B.V.

Basic, Scientific, Plus Calc
Worth Considering
🔧 Utilities
4.5😞(126K ratings)
FreeAdsIn-App Purchases
Calculator for iPad₊ screenshot 1
Calculator for iPad₊ screenshot 2
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This app offers both basic and advanced scientific calculations with an intuitive interface designed for tablets and phones. It includes features like currency conversion, calculation history, and the ability to share results. An optional premium membership removes ads and provides enhanced support.

What We Love

  • 🚀 Helpful for math calculations
  • 👍 Variety of functions beyond basic calculator
  • 👍 Useful for students and teachers

Room to Improve

  • 🙄 Excessive ads and pop-ups
  • 💰 Expensive subscription to remove ads
  • 🐛 Occasional calculation errors

More Tdf Calculator apps to explore

4
Graphing Calculator Plus AI
Graphing Calculator Plus AI
Graphing Calculator Plus AI
Scientific Graphing Calculator
$5.99

This app serves as a powerful scientific graphing calculator, offering advanced mathematical functions and graphing capabilities. It includes a built-in AI assistant for math queries and a comprehensive user manual. Ideal for students and professionals needing complex calculations and visualizations.

Scientific and graphing calculatorAI-powered math assistantComplex number calculations
📚 Education
(12K)
free with in-app purchases
5
Desmos Scientific Calculator
Desmos Scientific Calculator
Desmos Scientific Calculator
by Desmos, Inc.
Free

This app offers a powerful scientific calculator with a wide range of functions for trigonometry, statistics, and combinatorics. Users can define and evaluate their own functions, assign values to variables, and view multiple expressions simultaneously. It works offline and is completely free to use.

Basic arithmetic operationsTrigonometric functionsStatistical calculations
📚 Education
(327)
free
6
Calculate by QxMD
Calculate by QxMD
Calculate by QxMD
Medical Calculator
Free

This clinical calculator and decision support tool offers over 200 medical calculators and tools for diagnosis, treatment, and prognosis. It adapts to your practice and provides detailed references, integrating with PubMed and Read by QxMD.

Over 200 medical calculatorsClinical decision support toolsCardiology, internal medicine, and more
🏥 Medical
(5.1K)
free with in-app purchases
7
Calculator!
Calculator!
Calculator!
by 7th Gear
$0.99

This app offers a versatile calculator experience with both standard and scientific modes. Customize its appearance, use it in any orientation, and access additional tools like a notes tab and calculation history. It's designed for students and professionals needing accurate calculations.

Standard and scientific calculator modesCustomizable look (iPad only)Portrait and landscape orientation
🔧 Utilities
(4.2K)
free with in-app purchases
8
VA Disability Pay
VA Disability Pay
VA Disability Pay
VA Disability & Pay Calculator
Free

This app helps military personnel estimate their Veterans Affairs (VA) disability pay and calculate their combined disability rating. It provides an estimation of benefits without requiring personal information or login.

Estimate VA disability payCalculate combined disability ratingInform about disability benefits
💰 Finance
(10K)
free with in-app purchases
9
Calculator - Simple & Basic
Calculator - Simple & Basic
Calculator - Simple & Basic
by The App Tower Inc.
Free

This utility app offers a straightforward calculation experience with a vast selection of over 80 customizable themes. Personalize your calculator's appearance to suit your style while performing everyday math tasks.

Basic calculationsOver 80 themesTheme customization
🔧 Utilities
(146K)
free with in-app purchases
10
GraphNCalc83
GraphNCalc83
GraphNCalc83
Graphing calculator
$12.99

This app offers a powerful graphing calculator experience with touch-based input for enhanced interaction. It supports natural textbook notation, advanced math functions, and various plotting capabilities. Users can also utilize its programming features and built-in tools like unit conversion and a periodic table.

Touch-based graphing and editingNatural textbook notation inputAdvanced math and statistical functions
📚 Education
(3.8K)
paid
11
Graphing Calculator X84
Graphing Calculator X84
Graphing Calculator X84
Designed for use with Ti-84
Free

This app offers a free, powerful alternative to hardware graphing calculators. It supports basic to complex math, including graphing, statistics, and matrix operations, with a built-in user manual for assistance.

Graphing of functionsStatistics and regression analysisMatrix operations
📚 Education
(50K)
free with in-app purchases
12
WolframAlpha Classic
WolframAlpha Classic
WolframAlpha Classic
by Wolfram Group LLC
$2.99

Access a vast computational knowledge engine to get instant expert answers and perform complex calculations across thousands of domains. Explore data, solve problems, and gain insights on topics ranging from finance and nutrition to trivia and weather.

Instant expert knowledgeComplex computationsData analysis and reports
🔍 Reference
(1.2K)
free with in-app purchases
13
Sci:Pro Calculator
Sci:Pro Calculator
Sci:Pro Calculator
by Jerry Montgomery
Free

This app offers a versatile calculator with three distinct modes: Basic, Scientific, and Programmer. It provides a history view, sharing capabilities, and supports various input and output formats. The app is designed for iPhone, iPad, and iPod Touch.

Multi-mode calculator (Basic, Scientific, Programmer)Calculation historyShare results via email
🔧 Utilities
(3.6K)
free
14
EQD Calculator
EQD Calculator
EQD Calculator
by Hiroyuki KATOH
Free

This app assists radiation oncology professionals in calculating Biologically Effective Dose (BED) and Equivalent Dose (EQD) for radiotherapy. It offers quick and easy results, allowing for adjustments to treatment schedules and estimation of treatment effects.

Calculate BED and EQDAdjust radiotherapy schedulesEstimate treatment effects
🏥 Medical
(7)
free
15
MDCalc Medical Calculator
MDCalc Medical Calculator
MDCalc Medical Calculator
Clinical Decision Support
Free

This app provides over 900 evidence-based medical calculators, risk scores, and clinical tools for healthcare professionals. It offers offline functionality, expert insights, and CME tracking to support patient care at the bedside. Tools are developed and validated by board-certified physicians.

900+ evidence-based calculatorsOffline functionalityExpert insights and commentary
🏥 Medical
(51K)
free
16
BED Calculator : Radiotherapy
BED Calculator : Radiotherapy
BED Calculator : Radiotherapy
BED EQD2 & Fraction Calculator
Free

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.

Biological Effective Dose (BED) calculationEquivalent Dose in 2 Gy fractions (EQD2) calculationLinear-Quadratic (LQ) model
🏥 Medical
(3)
free
17
Scientific Calculator fx-991
Scientific Calculator fx-991
Scientific Calculator fx-991
Step-by-step Math Solver
Free

This app provides a powerful scientific calculator with step-by-step solutions for equations, advanced functions, and graphing capabilities. It includes a formula library and unit converter, inspired by a popular Casio model, to aid in learning and problem-solving for math and science subjects.

Step-by-step equation solverAdvanced scientific functionsGraphing mode
📚 Education
(344)
free with in-app purchases
18
Peptide Calculator & Dosage
Peptide Calculator & Dosage
Peptide Calculator & Dosage
Peptide Dose Calculator
Free

Easily calculate peptide dosages with this straightforward tool. It helps determine reconstitution ratios and injection volumes based on your inputs. Manage your peptide inventory, track your progress, and review past dosing with helpful features.

Peptide dosage calculationReconstitution ratio determinationInjection volume calculation
💪 Health & Fitness
(70)
freemium
19
Peptide Calculator: PepCalc
Peptide Calculator: PepCalc
Peptide Calculator: PepCalc
Dosage & Reconstitution Tool
Free

This tool simplifies peptide dosage and reconstitution calculations. It accurately determines injection volumes and the correct amount of water for mixing, converting results to insulin syringe units. Designed for researchers and wellness enthusiasts, it ensures precise and confident peptide administration.

Accurate dosage calculationEasy reconstitution calculationInsulin syringe unit conversion
🏥 Medical
(9)
free
20
Basic Calculator: Classic Calc
Basic Calculator: Classic Calc
Basic Calculator: Classic Calc
big buttons and wallpapers
Free

A free, classic calculator app with large, easy-to-press buttons and customizable skins. It supports basic arithmetic, memory functions, and can handle very large numbers without using scientific notation. Multitasking is also supported on compatible devices.

Large, easy-to-press buttonsMultiple beautiful skinsBasic arithmetic operations
🔧 Utilities
(3.1K)
free with in-app purchases