Best Testosterone Calculator Apps

224+ iOS apps curated and reviewed

4.4 avg rating
17 free apps
Updated June 2026

TRT Calculator is the household name in testosterone calculator, but it's far from the only option. We track 224+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Testosterone Calculator

TRT Calculator: Testosterone#1

TRT Calculator: Testosterone by David Dzeveckij

Dose & Half-Life Calculator
Editor's Choice
🏥 Medical
5.0(1 ratings)
Free
TRT Calculator: Testosterone screenshot 1
TRT Calculator: Testosterone screenshot 2
TRT Calculator: Testosterone screenshot 3

This app helps individuals on Testosterone Replacement Therapy (TRT) understand their hormone levels. It calculates remaining testosterone, predicts steady state timelines, and converts dosages for different injection frequencies. Designed for clarity and ease of use, it supports all major testosterone esters.

T Calc#2

T Calc by ViralMD

Strong Contender
🏥 Medical
2.7(3 ratings)
Free
T Calc screenshot 1

This tool helps clinicians quickly and accurately calculate circulating free and bioavailable testosterone levels. Input lab values for Albumin, SHBG, and Testosterone to get precise results, reducing manual calculation errors.

More Testosterone Calculator apps to explore

4
Bio-T Testosterone calculator
Bio-T Testosterone calculator
Bio-T Testosterone calculator
by Niedertronics
Free

This medical tool calculates bioavailable and free testosterone levels using total testosterone, SHBG, and albumin. It's based on a published algorithm and is designed for use by qualified healthcare professionals.

Calculates bioavailable testosteroneCalculates free testosteroneUses total testosterone, SHBG, and albumin
🏥 Medical
(41)
free
5
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
6
BMI Calculator‰
BMI Calculator‰
BMI Calculator‰
Body Mass Index Calculator
Free

Easily calculate your Body Mass Index (BMI) with this straightforward application. It provides a quick way to understand your weight status based on your height and weight.

BMI calculationInput heightInput weight
💪 Health & Fitness
(24K)
ad-supported
7
Calculator with History +
Calculator with History +
Calculator with History +
No ads & Scientific calculator
Free

This free calculator app offers a fast, ad-free experience with a visual input and calculation history. Customize your experience with various keyboard sounds and colors, and access advanced scientific functions when needed.

Ad-free experienceCalculation historyVisual input
💰 Finance
(23K)
free with in-app purchases
8
Calculator·
Calculator·
Calculator·
Big Basic Calculator
Free

This app offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.

Basic arithmetic operationsPercentage calculationsMultiple color schemes
🔧 Utilities
(33K)
free with in-app purchases
9
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
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
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
12
Calculator for iPad₊
Calculator for iPad₊
Calculator for iPad₊
Basic, Scientific, Plus Calc
Free

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.

Basic & Scientific CalculatorAdvanced Scientific FunctionsLive Currency Converter
🔧 Utilities
(126K)
free with in-app purchases
13
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
14
Color Calculator-smart&cute
Color Calculator-smart&cute
Color Calculator-smart&cute
Cute calculator app with theme
Free

This app offers a customizable and fast calculator experience with a wide variety of themes. It includes scientific and standard modes, real-time results, and calculation history. Personalize your math with over 60 cute and colorful themes, including animated options.

60+ free cute and colorful themesExclusive dynamic and special themesScientific & Standard calculator modes
🔧 Utilities
(15K)
freemium
15
Calculator with History Tape
Calculator with History Tape
Calculator with History Tape
No Ads Calculator with Memory
Free

This app provides a straightforward calculator experience with a comprehensive history log of all your computations. Customize the keyboard, display, and history records to suit your needs. Easily add annotations and titles to past calculations for better organization.

History record functionDisplay input equationAdjustable keyboard size and font
📊 Productivity
(3.2K)
free with in-app purchases
16
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
17
Peptide Tracker - PeptideKit
Peptide Tracker - PeptideKit
Peptide Tracker - PeptideKit
For Mounjaro, Wegovy, Zepbound
Free

This app helps users manage their peptide therapy journey with smart protocol management, progress tracking, and detailed journaling. It offers intelligent analytics, a built-in AI chat assistant, and a user-focused design for optimal organization and motivation.

Customizable peptide protocolsAutomatic shot generationIntelligent reminder system
💪 Health & Fitness
(253)
subscription
18
Calculator - Free Calculator
Calculator - Free Calculator
Calculator - Free Calculator
by 祥祎 刘
Free

A straightforward and reliable calculator application designed for iPad and iOS 9. It offers a standard calculation experience with a charming piano sound effect and is optimized for high-resolution screens.

Standard calculator functionalityOptimized for iPad & iOS 9High-resolution screen optimization
🔧 Utilities
(1.4K)
free
19
AFT Score Calculator
AFT Score Calculator
AFT Score Calculator
by Brian Savidge
Free

Calculate your Army Fitness Test (AFT) and Army Combat Fitness Test (ACFT) scores with this updated tool. It also provides acceptable hardware standards and body fat calculations for comprehensive fitness tracking.

AFT score calculationACFT score calculationUpdated May 2025 standards
💪 Health & Fitness
(392)
ad-supported
20
LoveCalc - The Love Calculator
LoveCalc - The Love Calculator
LoveCalc - The Love Calculator
by Delicious Morsel
Free

Calculate your love compatibility with others instantly. This free tool provides a compatibility score in seconds, helping you understand your romantic potential with new or existing partners. Optimized for modern displays.

Calculate love compatibilityInstant resultsFree to use
🎬 Entertainment
(271)
ad-supported

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