# TEM Guide vs ASCAR

The clearest difference is review sentiment: ASCAR at 88% against TEM Guide's 0%. ASCAR also leads on update cadence (every 2 months vs every 7 months). TEM Guide's advantage is iOS requirement (12.0 vs 17.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

TEM Guide ships an update every 7 months, ASCAR every 2 months. The most recent releases landed on September 14, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | TEM Guide | ASCAR |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **87.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 17 MB | 22 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Josh Case](https://appshunter.io/developer/1142529891) | [Anaesthesia Cognitive Aids and Research Group Incorporated](https://appshunter.io/developer/1609670504) |

## What reviewers say

### TEM Guide

[App page](https://appshunter.io/ios/app/tem-guide/id1396817192)

This app provides a step-by-step guide for optimizing blood product selection and administration in TEM-directed transfusions. It aims to simplify and standardize the transfusion process for improved patient outcomes.

**Highlights:** Optimized blood product selection, Step-wise administration guide, Standardized transfusion process, Improved patient outcomes, Accessible transfusion guidelines

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ASCAR

[App page](https://appshunter.io/ios/app/ascar/id1600414369)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TEM Guide free?

TEM Guide is free to download, with no in-app purchases.

### Is ASCAR free?

ASCAR is free to download, with no in-app purchases.

### Do TEM Guide or ASCAR have ads?

Neither TEM Guide nor ASCAR shows ads.

### Which is updated more often, TEM Guide or ASCAR?

TEM Guide ships an update every 7 months, and ASCAR every 2 months. Most recently, TEM Guide was updated on September 14, 2026 and ASCAR on September 22, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*