Best Free Testosterone Calculator Apps

248+ iOS apps curated and reviewed

3.9 avg rating
19 free apps
Updated July 2026

Out of 248+ free testosterone calculator apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Free Testosterone Calculator Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1T CalcT CalcFree2.7★ (3)NoNoMay 2026
2Testosterone Calculator ProTestosterone Calculator ProFreeNoNoMay 2026
3TRT Calculator: TestosteroneTRT Calculator: TestosteroneFree5.0★ (1)NoNoAug 2026
4Bio-T Testosterone calculatorBio-T Testosterone calculatorFree2.5★ (41)NoNoMay 2026
5Testosterone deficiency calcTestosterone deficiency calcFreeNoNoMay 2026
6Calculator for iPad!Calculator for iPad!Free4.7★ (61K)NoNoAug 2026
7Boost - Increase TestosteroneBoost - Increase TestosteroneFreeNoYesJul 2026
8Peptide Calculator: DoseRxPeptide Calculator: DoseRxFree4.8★ (102)NoNoAug 2026

Top Picks for Free Testosterone Calculator

T Calc#1

T Calc by ViralMD

Editor's Choice
🏥 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.

TRT Calculator: Testosterone#3

TRT Calculator: Testosterone by David Dzeveckij

Dose & Half-Life Calculator
Worth Considering
🏥 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.

More Free 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
Testosterone deficiency calc
Testosterone deficiency calc
Testosterone deficiency calc
by Art & Design Srl
Free
🏥 Medical
(0)
6
Calculator for iPad!
Calculator for iPad!
Calculator for iPad!
Basic & Scientific Calculator
Free

This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.

Basic and scientific calculator modesOver 30 scientific operationsCustomizable appearance (iPad)
🔧 Utilities
(61K)
free
7
Boost - Increase Testosterone
Boost - Increase Testosterone
Boost - Increase Testosterone
Boost testosterone naturally
Free
💪 Health & Fitness
(0)
8
Peptide Calculator: DoseRx
Peptide Calculator: DoseRx
Peptide Calculator: DoseRx
Dose & Reconstitution Tracker
Free

This app quickly calculates peptide draw volumes and insulin syringe units. It works offline, requiring no account, and provides clear results for various vial sizes and water amounts. It's designed for informational purposes only, with a strong disclaimer to consult medical professionals.

Offline calculationDraw volume calculationInsulin unit calculation
🏥 Medical
(102)
free
9
Mojo: Testosterone Tracker
Mojo: Testosterone Tracker
Mojo: Testosterone Tracker
Track habits, Improve hormones
$4.99
💪 Health & Fitness
(0)
10
Calculator - smart tool & body mass index checker
Calculator - smart tool & body mass index checker
Calculator - smart tool & body mass index checker
by VLADYSLAV YERSHOV
Free
📊 Productivity
(0)
11
Testosterone Companion
Testosterone Companion
Testosterone Companion
Testosterone Tracking App
Free
💪 Health & Fitness
(0)
12
STONE: Boost Testosterone
STONE: Boost Testosterone
STONE: Boost Testosterone
Only takes 5 min per day
Free

This app helps you understand and improve your testosterone levels with a personalized 60-day plan. It offers a simple roadmap with clear guidance and tools to keep you on track, starting with a short quiz to build your custom program.

Personalized quiz to build planCustom 60-day roadmapTestosterone level improvement guidance
💪 Health & Fitness
(24)
freemium
13
Smart - Scientific Calculator
Smart - Scientific Calculator
Smart - Scientific Calculator
by Shreyaskumar Patel
Free

This utility app offers a comprehensive suite of calculators for everyday financial, health, and date-related needs. It includes tools for loans, investments, taxes, health metrics, and unit conversions, along with a math solver.

Basic & Scientific CalculationsLoan & Investment CalculatorsHealth & Date Calculators
🔧 Utilities
(1)
ad-supported
14
TestoMax: Boost Testosterone
TestoMax: Boost Testosterone
TestoMax: Boost Testosterone
Men’s Health: Energy, Strength
Free
💪 Health & Fitness
(0)
15
Calculator - SLOX
Calculator - SLOX
Calculator - SLOX
by SEOKWON YANG
Free
🔧 Utilities
(0)
16
Anvil: Boost Testosterone
Anvil: Boost Testosterone
Anvil: Boost Testosterone
Science-Based T Optimization
Free

Estimate your testosterone levels and track daily habits that influence them. Scan food for harmful ingredients, perform body scans for fat estimates, and upload bloodwork for calibration. This tool offers personalized insights based on scientific research to help optimize men's health.

Lifestyle quiz for T estimatesDaily habit trackingFood and barcode scanning
💪 Health & Fitness
(6)
subscription
17
Basic Calculator+
Basic Calculator+
Basic Calculator+
Basic Four Function Calculator
Free

Perform essential arithmetic operations with a straightforward calculator app. Its large buttons and clear display ensure ease of use, supporting both portrait and landscape orientations.

Basic four functionsClear displayLarge buttons
🔧 Utilities
(243K)
free with in-app purchases
18
Calculator - Basic & NoAds
Calculator - Basic & NoAds
Calculator - Basic & NoAds
Calculations can be saved
Free

Perform essential math operations like addition, subtraction, multiplication, and division without any interruptions. Save your calculations with custom titles for easy retrieval and reuse.

Basic arithmetic operationsAd-free experienceSave calculations with titles
🔧 Utilities
(1)
free
19
Calculator: Simple Calculator
Calculator: Simple Calculator
Calculator: Simple Calculator
by Bhaskar Rao
Free
🔧 Utilities
(0)
20
Calculatir - Calculator
Calculatir - Calculator
Calculatir - Calculator
Basic, Scientific, Plus Calc
Free
🔧 Utilities
(0)

FAQ about Free Testosterone Calculator

What are the best free testosterone calculator apps for iPhone?
T Calc tops our free testosterone calculator apps ranking as of July 2026, with a 2.7-star average from 3 App Store ratings, and it's free to download.
T Calc has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 248+ free testosterone calculator apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
T Calc is a medical calculator designed to help clinicians accurately determine circulating free and bioavailable testosterone levels by inputting lab values for Albumin, SHBG, and Testosterone.
Users input current lab values for Albumin, SHBG, and Testosterone into the app. Once the values are entered, the app performs the calculations to provide free and bioavailable testosterone results.