ALSi vs TEGRotem
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ALSi
This advanced patient simulation package offers a realistic training experience for medical professionals. It functions as a multi-parameter monitor, AED, and defibrillator, easily set up for in-situ training with over 50 ECG, BP, and SpO2 waveforms.
- Realistic patient condition simulation
- Multi-parameter monitor
- AED & defibrillator functionality
- Easy setup
- In-situ training
- 50+ ECG, BP, SpO2 waveforms
- Selected scenarios
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ALSi provides an economical, highly advanced and realistic patient condition simulation package. It is so easy to use you’ll be up and running in less than two minutes and can act as a fully featured multi parameter monitor, AED & defibrillator. Run off only two iPads, its simple setup makes it great for in-situ training. ALSi provides a super realistic simulation experience, enabling hi fidelity simulation even in low fidelity situations. This version includes over 50 ECG, BP and SP02 waveforms as well as selected scenarios. Download ALSi today! Please note this version has a timeout screen. Please contact iSimulate for more information.
TEGRotem
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This application cannot be used by the general public in managing any health condition. It is designed to teach specialist doctors how best to interpret viscoelastic testing results obtained from the TEG and Rotem devices, so that they may better understand the likely causes of bleeding disorders. It is not designed to influence clinical judgment. The algorithms are based on a wealth of publications in the medical literature for processing TEG and ROTEM data. The structure of the algorithms used in this app is very important, simplifying bleeding management to a stepwise approach following a physiologic process. These algorithms have been devised as a teaching tool for ease of comprehension and simulation training. See the following references for further information: : 1. Ranucci M, Aloisio T, Di Dedda U, Anguissola M, Barbaria A, Baryshnikova E. Fibrinogen and Prothrombin Complex Concentrate: The Importance of the Temporal Sequence—A Post-Hoc Analysis of Two Randomized Controlled Trials. Journal of Clinical Medicine. 2024;13(23):7137. 2. Pearse BL, Keogh S, Rickard CM, Fung YL. Barriers and facilitators to implementing evidence-based bleeding management in Australian cardiac surgery units: A qualitative interview study analysed with the Theoretical Domains Framework and COM-B model. BMC Health Services Research. 2020. A good summary of Rotem-guided algorithms can be found here: ORCID: https://orcid.org/0000-0002-7315-9528 Korean J Anesthesiol 2019 August 72(4): 297-322 https://doi.org/10.4097/kja.19169
Screenshots
Verdict
The clearest difference is price: ALSi at Free against TEGRotem's $0.99. ALSi also leads on iOS requirement (8.0 vs 14.0). TEGRotem's advantage is update cadence (every 4 days vs every 3 weeks) and device support (3 vs 1). On ads and in-app purchases 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
ALSi is free to download; TEGRotem costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ALSi ships an update every 3 weeks, TEGRotem every 4 days. The most recent releases landed on June 3, 2026 and September 18, 2026 respectively.
| Parameter | ALSi | TEGRotem |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 5.0 (6 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 3 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 34 MB | 14 MB |
| Age rating | 12+ | 17+ |
| Developer | iSimulate Pty Ltd | Philip Cumpston |
In-app purchases
ALSi
No in-app purchases
TEGRotem
No in-app purchases









