# ABCDE Approach vs SLAS

The clearest difference is price: SLAS at Free against ABCDE Approach's $0.99. ABCDE Approach's advantage is update cadence (monthly vs every 6 months) and iOS requirement (9.0 vs 13.4). On ads, in-app purchases and device support there is nothing between them.

SLAS is free to download; ABCDE Approach costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ABCDE Approach ships an update monthly, SLAS every 6 months. The most recent releases landed on October 5, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | ABCDE Approach | SLAS |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 months |
| Monetization | Paid | — |
| Size | 5 MB | 52 MB |
| Requires iOS | **9.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Stefan Roobol](https://appshunter.io/developer/1002996460) | [Softwerk AB](https://appshunter.io/developer/374481184) |

## What reviewers say

### ABCDE Approach

[App page](https://appshunter.io/ios/app/abcde-approach/id1318137375)

This app provides a systematic method for assessing critically unwell patients. It guides medical professionals through ordered examination, investigation, and intervention for each major body system to improve patient outcomes.

**Highlights:** Systematic patient assessment, ABCDE approach guide, Emergency medical scenarios, Ordered examination and intervention, Patient re-assessment, Focus on body systems

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

**In-app purchases:** none


### SLAS

[App page](https://appshunter.io/ios/app/slas/id1576646719)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ABCDE Approach free?

ABCDE Approach costs $0.99, with no in-app purchases.

### Is SLAS free?

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

### Do ABCDE Approach or SLAS have ads?

Neither ABCDE Approach nor SLAS shows ads.

### Which is updated more often, ABCDE Approach or SLAS?

ABCDE Approach ships an update monthly, and SLAS every 6 months. Most recently, ABCDE Approach was updated on October 5, 2026 and SLAS on October 4, 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.*