# 3D Burn vs BMS eChart

The clearest difference is update cadence: BMS eChart at weekly against 3D Burn's every 3 weeks. On price, ads, in-app purchases and device support 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 ships an update every 3 weeks, BMS eChart weekly. The most recent releases landed on August 22, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | 3D Burn | BMS eChart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/3d-burn/id1183128395/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 404 MB | 41 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Operation Smile Foundation](https://appshunter.io/developer/1568637952) | [Bangkok medical software co.ltd.](https://appshunter.io/developer/423203618) |

## 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


### BMS eChart

[App page](https://appshunter.io/ios/app/bms-echart/id1274496068)

**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 BMS eChart free?

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

### Do 3D Burn or BMS eChart have ads?

Neither 3D Burn nor BMS eChart shows ads.

### Which is updated more often, 3D Burn or BMS eChart?

3D Burn ships an update every 3 weeks, and BMS eChart weekly. Most recently, 3D Burn was updated on August 22, 2026 and BMS eChart on September 8, 2026.

---

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