ATA Thyrosim vs EKGSmart
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ATA Thyrosim
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The app was developed and well-validated from real normal and hypothyroid human data and it features a simple and intuitive user interface, designed to promote understanding of the basic physiology of this complex endocrine system – by laypersons as well as by clinicians and clinical educators and researchers. THYROSIM is particularly useful for understanding and safely exploring effects of perturbing the real system, in various ways – without the need for any real human or animal experimentation. The DIRECTIONS and EXAMPLE explain and illustrate normal physiological conditions. Users can then conduct simulated ‘‘what-if’’ experiments, to challenge the simulation model with abnormal conditions – as explained on the app interface pages. For example, users can simulate hypothyroidism (when the thyroid hormone level in blood is too low) or thyroid hormone malabsorption from the gut. Patients with hypothyroidism can visualize the effects of thyroid hormone replacement therapy, promoting adherence to their doctor’s dosing prescriptions, and also understand better why they should take thyroid hormone replacement drugs without food – facilitating understanding of impaired absorption of the drug in the presence of food. Thyroid cancer patients (any layperson) can visualize the effects of partial or complete surgical removal of the thyroid gland (thyroidectomy) on blood hormone levels, and thereby understand why they need individualized hormone replacement therapy, and so on. Physicians and laypersons can use THYROSIM as a patient education tool. Scientists can use THYROSIM for clinical research purposes. Clinical and pharmacology educators can use THYROSIM to teach medical and pharmacology students basic thyroid hormone physiology and pathophysiology, complete with easy to understand graphical renditions of the results of “what-if” experimentation with the simulator. Trainees and other students can benefit from use of THYROSIM as a means to deepen and test their understanding the complexities of the “pituitary-thyroid axis”, the primary organ interactions regulating blood thyroid hormone levels by feedback control. The THYROSIM model has been the basis for several important clinical study applications for well over a decade, with details published in the medical journals Thyroid and Frontiers in Endocrinology. Disclaimer: This tool is for simulation and visualization and does not establish a standard of care. Treatment decisions must be made based on the independent judgment of health care providers and each patient’s individual circumstances. This tool is not intended to take the place of physician judgment in diagnosing and treatment of particular patients. The American Thyroid Association® considers use of this resource to be voluntary. Please see the following publication reference for information on the background and process behind the mobile app: Predicting Optimal Combination LT4 + LT3 Therapy for Hypothyroidism Based on Residual Thyroid Function https://www.frontiersin.org/articles/10.3389/fendo.2019.00746/full
EKGSmart
This application aids healthcare professionals and students in learning and recognizing ECG rhythms. It offers tools for reviewing cardiac rhythms and improving arrhythmia identification skills for faster interpretation.
- AI rhythm identification support
- Educational ECG review tools
- Arrhythmia recognition practice
- Mobile-friendly learning experience
- Workflow-friendly resources
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EKGSmart is an ECG/EKG learning and rhythm recognition app designed for healthcare professionals and learners. The app helps users review cardiac rhythms, strengthen arrhythmia recognitions skills, and support faster interpretation through a simple, mobile-friendly experience. Features may include rhythm identification support, educational review tools, and workflow-friendly resources for ECG/EKG learning and practice. EKGSmart is intended for educational, informational, and reference purposes only and is not a substitute for professional medical judgment, diagnosis, or treatment. Terms of use (EULA): https://www.apple.com/legal/internet-services/itunes/devsrdeula/ Privacy Policy: https://ekgsmart-privacy.carrd.co
Screenshots
Verdict
The clearest difference is price: EKGSmart at Free against ATA Thyrosim's $3.99. EKGSmart also leads on update cadence (every 2 months vs every 41 months). ATA Thyrosim's advantage is chart position (#42 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
EKGSmart is free to download; ATA Thyrosim costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ATA Thyrosim ships an update every 41 months, EKGSmart every 2 months. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.
| Parameter | ATA Thyrosim | EKGSmart |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 41 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Best chart rank | #42 — better | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 2 MB | 47 MB |
| Age rating | 17+ | 4+ |
| Developer | American Thyroid Association | Sunil Mall |
In-app purchases
ATA Thyrosim
No in-app purchases
EKGSmart
No in-app purchases








