# CAST score for iPhone vs ThirdCatheter

The clearest difference is price: CAST score for iPhone at Free against ThirdCatheter's $1.99. CAST score for iPhone also leads on in-app purchases (none vs 3) and iOS requirement (10.0 vs 26.0). ThirdCatheter's advantage is update cadence (every 4 days vs every 6 months). On ads and device support there is nothing between them.

CAST score for iPhone is free to download; ThirdCatheter costs $1.99 up front. ThirdCatheter sells 3 in-app purchases, starting at $0.49 per month. CAST score for iPhone asks for nothing beyond the download.

CAST score for iPhone ships an update every 6 months, ThirdCatheter every 4 days. The most recent releases landed on June 1, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | CAST score for iPhone | ThirdCatheter |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/cast-score-for-iphone/id1067612773/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 89 MB | 26 MB |
| Requires iOS | **10.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Mitsuaki Nishikimi](https://appshunter.io/developer/1065338534) | [Masaaki Hirata](https://appshunter.io/developer/942972055) |

## What reviewers say

### CAST score for iPhone

[App page](https://appshunter.io/ios/app/cast-score-for-iphone/id1067612773)

This medical tool assists healthcare professionals in calculating the CAST score, a predictor of neurological outcomes for post-cardiac arrest syndrome patients. It's an advanced version of the MEIDAI score, designed to aid in prognostication.

**Highlights:** Calculates CAST score, Predicts neurological outcomes, Assists post-cardiac arrest care, Based on MEIDAI score, For healthcare professionals

**Features:** macOS Compatibility

**In-app purchases:** none


### ThirdCatheter

[App page](https://appshunter.io/ios/app/thirdcatheter/id1209823996)

This medical reference tool calculates the theoretical minimum diameter for guiding catheters when using three devices. It offers device data pre-installed in new versions and advanced features like net search and gap imaging evaluation in the paid version. Users are advised to consult device manuals for strategy planning.

**Highlights:** Minimum diameter calculation for guiding catheters, Pre-installed device data, Net search and gap imaging evaluation (paid), Device information sharing via AirDrop, Device data editing with CatheterEditor, Calculates space needed for device function

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month Device Data Use | $0.49 | per month |
| 6 months Device Data Use | $1.99 | per 6 months |
| Fine-tune and save device info. | $1.99 | one-time |


## Frequently asked questions

### Is CAST score for iPhone free?

CAST score for iPhone is free to download, with no in-app purchases.

### Is ThirdCatheter free?

ThirdCatheter costs $1.99, and also offers in-app purchases.

### Do CAST score for iPhone or ThirdCatheter have ads?

Neither CAST score for iPhone nor ThirdCatheter shows ads.

### Which is updated more often, CAST score for iPhone or ThirdCatheter?

CAST score for iPhone ships an update every 6 months, and ThirdCatheter every 4 days. Most recently, CAST score for iPhone was updated on June 1, 2026 and ThirdCatheter on September 23, 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.*