# Relay Response CPR Training vs CPR AI

The clearest difference is in-app purchases: CPR AI at none against Relay Response CPR Training's 3. CPR AI also leads on update cadence (every 3 days vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Relay Response CPR Training sells 3 in-app purchases, starting at $7.99 per month. CPR AI asks for nothing beyond the download.

Relay Response CPR Training ships an update weekly, CPR AI every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Relay Response CPR Training | CPR AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cpr-ai/id6748953210/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | — | Free |
| Size | 204 MB | 19 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Ximio Health Inc](https://appshunter.io/developer/1296441024) | [Vitals AI Innovation](https://appshunter.io/developer/1786581239) |

## What reviewers say

### Relay Response CPR Training

[App page](https://appshunter.io/ios/app/relay-response-cpr-training/id1633062947)

**Features:** Apple Wallet, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hands Only CPR Training | $7.99 | per month |
| Hands Only CPR Training | $29.99 | per year |
| Hands Only CPR Training | $79.99 | per year |


### CPR AI

[App page](https://appshunter.io/ios/app/cpr-ai/id6748953210)

This app provides real-time, step-by-step guidance for performing CPR on adults, children, and infants. It offers feedback on compression rate and count, instructions for AED use, and automatically detects local emergency numbers. Core functionality works offline.

**Highlights:** Step-by-step CPR guidance, Real-time compression coaching, AED integration, Location-based emergency numbers, Session tracking and history, Offline functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is Relay Response CPR Training free?

Relay Response CPR Training is free to download, with in-app purchases available.

### Is CPR AI free?

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

### Do Relay Response CPR Training or CPR AI have ads?

Neither Relay Response CPR Training nor CPR AI shows ads.

### Which is updated more often, Relay Response CPR Training or CPR AI?

Relay Response CPR Training ships an update weekly, and CPR AI every 3 days. Most recently, Relay Response CPR Training was updated on October 24, 2026 and CPR AI on October 24, 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.*