# SIMPL vs LCAST

The clearest difference is review sentiment: SIMPL at 40% against LCAST's 0%. SIMPL also leads on update cadence (every 2 weeks vs every 21 months). LCAST's advantage is rating (4.3 vs 4.1) and iOS requirement (9.0 vs 15.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

LCAST holds the better App Store score, 4.3 against 4.1. Both are backed by a comparable volume of ratings — 16 and 8 respectively. Written reviews complicate that: 40% of SIMPL's written reviews are positive against 0% of LCAST's, so the app with the better star average is not the one people write more warmly about.

SIMPL ships an update every 2 weeks, LCAST every 21 months. The most recent releases landed on September 3, 2026 and August 17, 2026 respectively.

## The numbers

| Metric | SIMPL | LCAST |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (16 ratings)](https://appshunter.io/ios/app/simpl/id1660627978/reviews) | **[4.3 (8 ratings)](https://appshunter.io/ios/app/lcast/id1663066252/reviews)** |
| Number of ratings | **16** | 8 |
| Positive reviews | **40.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 21 months |
| Monetization | Free | Free |
| Size | 37 MB | 146 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Procedural Learning and Safety Collaborative, Inc](https://appshunter.io/developer/970265410) | [igNew, LLC dba Slingshot](https://appshunter.io/developer/1663066254) |

## What reviewers say

### SIMPL

[App page](https://appshunter.io/ios/app/simpl/id1660627978)

This app facilitates workplace-based assessments for medical professionals, enabling the evaluation of entrustable professional activities within medical education settings.

**Highlights:** Workplace-based assessments, Entrustable professional activities, Medical education implementation, Professional development tracking

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

**In-app purchases:** none


### LCAST

[App page](https://appshunter.io/ios/app/lcast/id1663066252)

This medical tool aids healthcare professionals in assessing the plausibility of bruising in young children. It utilizes a validated clinical decision rule to help identify potential abuse by analyzing bruise characteristics and body locations. The app serves as a screening tool to inform decision-making and educate users on bruising patterns.

**Highlights:** Bruising clinical decision rule (TEN-4-FACESp), Interactive 3D body model for inputting observations, Compares bruise findings to published evidence, Screening tool for children under 4.0 years, Educational tool for healthcare providers, Data based on multi-center NIH-funded study

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SIMPL free?

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

### Is LCAST free?

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

### Which has better reviews, SIMPL or LCAST?

LCAST is rated higher. SIMPL averages 4.1 out of 5 from 16 ratings, while LCAST averages 4.3 from 8 ratings.

### Do SIMPL or LCAST have ads?

Neither SIMPL nor LCAST shows ads.

### Which is updated more often, SIMPL or LCAST?

SIMPL ships an update every 2 weeks, and LCAST every 21 months. Most recently, SIMPL was updated on September 3, 2026 and LCAST on August 17, 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.*