# 3D Burn vs CPR Now App

The clearest difference is rating: 3D Burn at 5.0 against CPR Now App's 4.6. 3D Burn also leads on review sentiment (100% vs 83%) and update cadence (every 3 weeks vs every 6 weeks). CPR Now App's advantage is ratings volume (13 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

3D Burn holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: CPR Now App has 13 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of 3D Burn's written reviews are positive against 83% of CPR Now App's.

3D Burn ships an update every 3 weeks, CPR Now App every 6 weeks. The most recent releases landed on August 22, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | 3D Burn | CPR Now App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/3d-burn/id1183128395/reviews)** | [4.6 (13 ratings)](https://appshunter.io/ios/app/cpr-now-app/id1629657865/reviews) |
| Number of ratings | 1 | **13** |
| Positive reviews | **100.0% of reviews** | 83.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 404 MB | 19 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Operation Smile Foundation](https://appshunter.io/developer/1568637952) | [Keegan Sauer](https://appshunter.io/developer/1796693214) |

## What reviewers say

### 3D Burn

[App page](https://appshunter.io/ios/app/3d-burn/id1183128395)

Calculate burn resuscitation fluid using a 3D human model and the Parkland formula. Features include interactive 3D model manipulation, burn area marking, and fluid calculation based on weight and time since burn. Designed as an educational tool for medical students.

**Highlights:** 3D human model for burn calculations, Parkland formula implementation, Interactive 3D model rotation and zoom, Burn area marking and level adjustment, Fluid calculation by weight and time, BMI-based model selection

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

**In-app purchases:** none


### 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

**In-app purchases:** none


## Frequently asked questions

### Is 3D Burn free?

3D Burn is free to download, with no in-app purchases.

### Is CPR Now App free?

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

### Which has better reviews, 3D Burn or CPR Now App?

3D Burn is rated higher. 3D Burn averages 5.0 out of 5 from 1 ratings, while CPR Now App averages 4.6 from 13 ratings.

### Do 3D Burn or CPR Now App have ads?

Neither 3D Burn nor CPR Now App shows ads.

### Which is updated more often, 3D Burn or CPR Now App?

3D Burn ships an update every 3 weeks, and CPR Now App every 6 weeks. Most recently, 3D Burn was updated on August 22, 2026 and CPR Now App on June 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*