Comparison

iTEM vs ASCAR

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

iTEM

Features
Read full description

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.

About

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.

Highlights
  • Complete ASCAR library
  • Paediatric Dose Calculator
  • Offline access
  • Advanced search function
  • Automatically updated aids
Features
Read full description

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 forโ€ฆ 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: โ€ข Complete ASCAR library: automatically updated suite of cognitive aids from the ASCAR group across the whole array of anaesthetic sub-specialties. โ€ข Paediatric Dose Calculator: Proprietary paediatric anaesthesia calculator to assist you with looking after our most vulnerable patients. โ€ข Offline access: all files and our calculator remain accessible โ€“ even offline. But any updates will require an internet connection. โ€ข 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

iTEM4 screens
ASCAR4 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard2 real differences ยท 6 level
iTEM versus ASCAR: the parameters behind the verdict, then further details
ParameteriTEMASCAR
PriceFreeFree
Positive reviewsโ€”87.5% of reviews
Update frequencyEvery 5 monthsEvery 2 months โ€” better
AdsNoNo
In-app purchasesNoNo
Monetizationโ€”Free
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS13.0 โ€” better17.6
Further details โ€” not scored
Size22 MB22 MB
Age rating12+17+
DeveloperJR Analytics Pty LtdAnaesthesia Cognitive Aids and Research Group Incorporated

In-app purchases

None

iTEM

No in-app purchases

None

ASCAR

No in-app purchases

Questions

Is iTEM free?
iTEM is free to download, with no in-app purchases.
Is ASCAR free?
ASCAR is free to download, with no in-app purchases.
Do iTEM or ASCAR have ads?
Neither iTEM nor ASCAR shows ads.
Which is updated more often, iTEM or ASCAR?
iTEM ships an update every 5 months, and ASCAR every 2 months. Most recently, iTEM was updated on July 31, 2026 and ASCAR on September 22, 2026.

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