iTEM vs ASCAR
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
iTEM
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The iTEM app is designed specifically for health professionals to enhance their knowledge and understanding of Rotational Thromboelastometry (ROTEM). This app is an educational tool, providing a training module covering the fundamental principles of thromboelastometry, ROTEM assays, and parameters. With this module, healthcare practitioners can access detailed information on interpreting ROTEM traces, enabling them to make informed clinical decisions. In addition to the training module, the iTEM app offers an algorithm module, which is slated to be released in the near future.
ASCAR
This app provides a comprehensive, up-to-date library of cognitive aids for anaesthetists to support planning and crisis response in operating theatres. It features a paediatric dose calculator and advanced search functionality for quick access to critical information, even offline.
- Complete ASCAR library
- Paediatric Dose Calculator
- Offline access
- Advanced search function
- Automatically updated aids
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Integrate cognitive aids into your anaesthetic practice today! The ASCAR app has been designed by clinicians for clinicians with the aim of supporting Operating Theatre (OT) teams to plan and brief for complex cases effectively as well as respond appropriately to crises. The app allows you to carry in your pocket, the ever expanding library of ASCAR cognitive aids โ so they are available in their most up-to-date version on your device whenever and wherever you are. Just select the subspecialty to locate the cognitive aid you are looking forโฆ or, alternatively, use our advanced search function. The next time you find yourself in an OT full of responding staff, why not contribute by opening the app to assist the team in focusing on the clinical priorities and avoiding blindspots. Features: โข Complete ASCAR library: automatically updated suite of cognitive aids from the ASCAR group across the whole array of anaesthetic sub-specialties. โข Paediatric Dose Calculator: Proprietary paediatric anaesthesia calculator to assist you with looking after our most vulnerable patients. โข Offline access: all files and our calculator remain accessible โ even offline. But any updates will require an internet connection. โข Advanced search function: to minimise the time and facilitate the ergonomics of finding the aid that you need at that moment of crisis. About us: ASCAR stands for AnaeSthesia Cognitive Aids and Research. We are a not-for-profit Human Factors interest group that was conceived at the Anaesthetic Department, at the Royal North Shore Hospital in Sydney. Our mission is to support our colleagues to perform excellently during crises, by researching, designing, and testing cognitive aids that are optimised for our high stakes environment. Through an understanding of strong aesthetic design, team dynamics, and ergonomics our goal is to advance the creation of clinical support tools for anaesthetists worldwide.
Screenshots
Verdict
The clearest difference is update cadence: ASCAR at every 2 months against iTEM's every 5 months. iTEM's advantage is iOS requirement (13.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
iTEM ships an update every 5 months, ASCAR every 2 months. The most recent releases landed on July 31, 2026 and September 22, 2026 respectively.
| Parameter | iTEM | ASCAR |
|---|---|---|
| Price | Free | Free |
| Positive reviews | โ | 87.5% of reviews |
| Update frequency | Every 5 months | Every 2 months โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | โ | Free |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPad |
| Requires iOS | 13.0 โ better | 17.6 |
| Further details โ not scored | ||
| Size | 22 MB | 22 MB |
| Age rating | 12+ | 17+ |
| Developer | JR Analytics Pty Ltd | Anaesthesia Cognitive Aids and Research Group Incorporated |
In-app purchases
iTEM
No in-app purchases
ASCAR
No in-app purchases









