# LCAST vs AIS Digital Dictionary

The clearest difference is update cadence: AIS Digital Dictionary at every 6 weeks against LCAST's every 21 months. LCAST's advantage is iOS requirement (9.0 vs 13.0). 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.

LCAST ships an update every 21 months, AIS Digital Dictionary every 6 weeks. The most recent releases landed on October 1, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | LCAST | AIS Digital Dictionary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (8 ratings)](https://appshunter.io/ios/app/lcast/id1663066252/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 146 MB | 36 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [igNew, LLC dba Slingshot](https://appshunter.io/developer/1663066254) | [Cookman Enterprises LLC](https://appshunter.io/developer/1802700516) |

## What reviewers say

### 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


### AIS Digital Dictionary

[App page](https://appshunter.io/ios/app/ais-digital-dictionary/id6743413551)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LCAST free?

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

### Is AIS Digital Dictionary free?

AIS Digital Dictionary is free to download, with no in-app purchases.

### Do LCAST or AIS Digital Dictionary have ads?

Neither LCAST nor AIS Digital Dictionary shows ads.

### Which is updated more often, LCAST or AIS Digital Dictionary?

LCAST ships an update every 21 months, and AIS Digital Dictionary every 6 weeks. Most recently, LCAST was updated on October 1, 2026 and AIS Digital Dictionary on September 8, 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.*