Propofol Dreams vs ASCAR
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Propofol Dreams
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Propofol is one of the most commonly wasted drugs in the operating theatre. It is toxic to the aquatic environment, bioaccumulates up the food chain and is not readily degraded in nature. Propofol Dreams is a simple app designed to help anaesthetists minimise propofol wastage during TIVA. Propofol Dreams has three main modes: (1) Volume Mode estimates the volume of propofol required for a given case based on the TCI model, patient parameters and the estimated duration of surgery. This guides the volume of propofol to draw up at the beginning of a case. (2) Duration Mode estimates how long a syringe of propofol will last at the current infusion rate. This guides the volume of propofol to draw up in the middle of a case. (3) EleMarsh Mode makes the Marsh Model on your TCI pump behave like the Eleveld Model through adjusting the input weight using our novel algorithm. We are passionate about environmental sustainability in anaesthesia and we hope to tackle these issues through technology. Please help us make Propofol Dreams better! For comments and feedback, please email propofoldreaming@gmail.com. Thank you and happy propofol dreaming! Important Note: Propofol Dreams is designed for the purposes of education and environmental sustainability only. It is not a dosage calculator and does not give advice about the clinical care of patients. Propofol Dreams cannot be used to replace infusion pumps or sound clinical judgment.
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 β 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 forβ¦ 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: β’ Complete ASCAR library: automatically updated suite of cognitive aids from the ASCAR group across the whole array of anaesthetic sub-specialties. β’ Paediatric Dose Calculator: Proprietary paediatric anaesthesia calculator to assist you with looking after our most vulnerable patients. β’ Offline access: all files and our calculator remain accessible β even offline. But any updates will require an internet connection. β’ 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 iOS requirement: Propofol Dreams at 12.0 against ASCAR's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Propofol Dreams ships an update every 5 weeks, ASCAR every 2 months. The most recent releases landed on October 27, 2026 and November 3, 2026 respectively.
| Parameter | Propofol Dreams | ASCAR |
|---|---|---|
| Price | Free | Free |
| Positive reviews | β | 87.5% of reviews |
| Update frequency | Every 5 weeks β better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | β | Free |
| Devices | iPhone, iPad, iPod β better | iPhone, iPad |
| Requires iOS | 12.0 β better | 17.6 |
| Further details β not scored | ||
| Size | 24 MB | 22 MB |
| Age rating | 17+ | 17+ |
| Developer | George Zhong | Anaesthesia Cognitive Aids and Research Group Incorporated |
In-app purchases
Propofol Dreams
No in-app purchases
ASCAR
No in-app purchases








