# CPR Now App vs ECG Builder

The clearest difference is in-app purchases: CPR Now App at none against ECG Builder's 1. CPR Now App also leads on iOS requirement (15.0 vs 17.0). ECG Builder's advantage is update cadence (daily vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. ECG Builder sells 1 one-off in-app purchase. CPR Now App asks for nothing beyond the download.

CPR Now App ships an update every 6 weeks, ECG Builder daily. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | CPR Now App | ECG Builder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (13 ratings)](https://appshunter.io/ios/app/cpr-now-app/id1629657865/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Daily** |
| Monetization | Free | — |
| Size | 18 MB | 9 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Keegan Sauer](https://appshunter.io/developer/1796693214) | [Mark Daniel Figueroa](https://appshunter.io/developer/1890265406) |

## What reviewers say

### CPR Now App

[App page](https://appshunter.io/ios/app/cpr-now-app/id1629657865)

This app provides a metronome to guide users through Hands-Only CPR chest compressions at the recommended rate of 100-120 bpm. It aims to empower individuals to perform effective CPR during cardiac arrest events, turning a smartphone into a potentially life-saving tool.

**Highlights:** Hands-Only CPR assistance, Metronome for compression rate, 100-120 bpm guidance, Supports medical personnel and everyday individuals, Turns smartphone into a life-saving tool

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


### ECG Builder

[App page](https://appshunter.io/ios/app/ecg-builder/id6809634568)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ECG Builder Pro | $24.99 | one-time |


## Frequently asked questions

### Is CPR Now App free?

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

### Is ECG Builder free?

ECG Builder is free to download, with in-app purchases available.

### Do CPR Now App or ECG Builder have ads?

Neither CPR Now App nor ECG Builder shows ads.

### Which is updated more often, CPR Now App or ECG Builder?

CPR Now App ships an update every 6 weeks, and ECG Builder daily. Most recently, CPR Now App was updated on October 1, 2026 and ECG Builder on September 29, 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.*