Best Free Testosterone Calculator Apps

250+ iOS apps curated and reviewed

4.0 avg rating
20 free apps
Updated November 2026

Out of 250+ free testosterone calculator apps on iOS, 20 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 (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1T CalcT CalcFree2.7★ (3)NoNoOct 2026
2TRT Calculator: TestosteroneTRT Calculator: TestosteroneFree4.6★ (9)NoNoOct 2026
3Testosterone Calculator ProTestosterone Calculator ProFree—NoNoMay 2026
4Boost - Increase TestosteroneBoost - Increase TestosteroneFree—NoYesJul 2026
5TRT Log: Testosterone TrackerTRT Log: Testosterone TrackerFree—NoYesNov 2026
6Testosterone deficiency calcTestosterone deficiency calcFree—NoNoMay 2026
7Bio-T Testosterone calculatorBio-T Testosterone calculatorFree2.5★ (41)NoNoOct 2026
8TRT Tracker: Log TestosteroneTRT Tracker: Log TestosteroneFree—NoYesOct 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#2

TRT Calculator: Testosterone by David Dzeveckij

Dose & Half-Life Calculator
Strong Contender
🏥 Medical
4.6(9 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

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 November 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 November 2026.
We track 250+ free testosterone calculator apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.