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.

248+ iOS apps curated and reviewed
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.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 2.7★ (3) | No | No | May 2026 | |
| 2 | Free | — | No | No | May 2026 | |
| 3 | Free | 5.0★ (1) | No | No | Aug 2026 | |
| 4 | Free | 2.5★ (41) | No | No | May 2026 | |
| 5 | Free | — | No | No | May 2026 | |
| 6 | Free | 4.7★ (61K) | No | No | Aug 2026 | |
| 7 | Free | — | No | Yes | Jul 2026 | |
| 8 | Free | 4.8★ (102) | No | No | Aug 2026 |

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.





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.


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.




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.




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.








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.


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.






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.


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.


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



