# ASCAR vs 悦简单

The clearest difference is update cadence: 悦简单 at every 3 weeks against ASCAR's every 2 months. 悦简单 also leads on iOS requirement (12.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

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

ASCAR ships an update every 2 months, 悦简单 every 3 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | ASCAR | 悦简单 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 22 MB | 35 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Anaesthesia Cognitive Aids and Research Group Incorporated](https://appshunter.io/developer/1609670504) | [Shaanxi Yiyue State Medicine Co., Ltd](https://appshunter.io/developer/1445114471) |

## What reviewers say

### 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


### 悦简单

[App page](https://appshunter.io/ios/app/id1642434600)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ASCAR free?

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

### Is 悦简单 free?

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

### Do ASCAR or 悦简单 have ads?

Neither ASCAR nor 悦简单 shows ads.

### Which is updated more often, ASCAR or 悦简单?

ASCAR ships an update every 2 months, and 悦简单 every 3 weeks. Most recently, ASCAR was updated on November 3, 2026 and 悦简单 on November 3, 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.*