# CCHD PulseOx screening vs Act

The clearest difference is update cadence: Act at every 2 months against CCHD PulseOx screening's every 22 months. CCHD PulseOx screening's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price, 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.

CCHD PulseOx screening ships an update every 22 months, Act every 2 months. The most recent releases landed on June 24, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | CCHD PulseOx screening | Act |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cchd-pulseox-screening/id567756249/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 33 MB | 62 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Children's Healthcare of Atlanta, Inc.](https://appshunter.io/developer/1034460531) | [Emory University](https://appshunter.io/developer/387102326) |

## What reviewers say

### CCHD PulseOx screening

[App page](https://appshunter.io/ios/app/cchd-pulseox-screening/id567756249)

This app assists healthcare professionals in performing pulse oximetry screenings for newborns to detect critical congenital heart defects. Developed by Children's Healthcare of Atlanta, its algorithm is endorsed by leading medical organizations.

**Highlights:** Pulse oximetry screening implementation, Congenital heart defect detection, Newborn nursery aid, Endorsed algorithm, Healthcare professional tool

**Features:** macOS Compatibility

**In-app purchases:** none


### Act

[App page](https://appshunter.io/ios/app/act-gen/id1591106974)

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

**In-app purchases:** none


## Frequently asked questions

### Is CCHD PulseOx screening free?

CCHD PulseOx screening is free to download, with no in-app purchases.

### Is Act free?

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

### Do CCHD PulseOx screening or Act have ads?

Neither CCHD PulseOx screening nor Act shows ads.

### Which is updated more often, CCHD PulseOx screening or Act?

CCHD PulseOx screening ships an update every 22 months, and Act every 2 months. Most recently, CCHD PulseOx screening was updated on June 24, 2026 and Act on September 19, 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.*