# Extra Hands CPR Assistant vs EMS Field

The clearest difference is in-app purchases: EMS Field at none against Extra Hands CPR Assistant's 3. EMS Field also leads on update cadence (every 3 days vs every 3 months). Extra Hands CPR Assistant's advantage is iOS requirement (13.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. Extra Hands CPR Assistant sells 3 one-off in-app purchases. EMS Field asks for nothing beyond the download.

Extra Hands CPR Assistant ships an update every 3 months, EMS Field every 3 days. The most recent releases landed on September 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Extra Hands CPR Assistant | EMS Field |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Size | 152 MB | 37 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [iHarig LLC](https://appshunter.io/developer/1031755527) | [Hatsumi Takahashi](https://appshunter.io/developer/6776581577) |

## What reviewers say

### Extra Hands CPR Assistant

[App page](https://appshunter.io/ios/app/extra-hands-cpr-assistant/id1559975452)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $4.99 | one-time |


### EMS Field

[App page](https://appshunter.io/ios/app/ems-field/id6784478787)

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

**In-app purchases:** none


## Frequently asked questions

### Is Extra Hands CPR Assistant free?

Extra Hands CPR Assistant is free to download, with in-app purchases available.

### Is EMS Field free?

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

### Do Extra Hands CPR Assistant or EMS Field have ads?

Neither Extra Hands CPR Assistant nor EMS Field shows ads.

### Which is updated more often, Extra Hands CPR Assistant or EMS Field?

Extra Hands CPR Assistant ships an update every 3 months, and EMS Field every 3 days. Most recently, Extra Hands CPR Assistant was updated on September 10, 2026 and EMS Field on October 8, 2026.

---

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