# Massachusetts EMS vs EMS Protocol Reference

The clearest difference is in-app purchases: EMS Protocol Reference at none against Massachusetts EMS's 2. Massachusetts EMS's advantage is update cadence (monthly vs every 3 months) and chart position (#198 vs unranked). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Massachusetts EMS sells 2 in-app purchases, starting at $9.99 per year. EMS Protocol Reference asks for nothing beyond the download.

Massachusetts EMS ships an update monthly, EMS Protocol Reference every 3 months. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Massachusetts EMS | EMS Protocol Reference |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (41 ratings)](https://appshunter.io/ios/app/massachusetts-ems/id1050497298/reviews)** | — |
| Number of ratings | **41** | — |
| Positive reviews | 56.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Subscription | — |
| Best chart rank | **#198** | — |
| Size | 38 MB | 20 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Dark Medical Apps LLC](https://appshunter.io/developer/1046115244) | [RespondersAI LLC](https://appshunter.io/developer/1818178681) |

## What reviewers say

### Massachusetts EMS

[App page](https://appshunter.io/ios/app/massachusetts-ems/id1050497298)

**Currently charting:** #198 Top Grossing · Medical (US App Store)

Access prehospital EMS protocols for Massachusetts offline. Features searchable protocols, medication dosages, a pediatric tape, and a map to locate medical centers. Includes a phone list for quick contact.

**Highlights:** Searchable statewide protocols, Medication list with dosages, Pediatric weight-based dosing tape, Map to nearest trauma/stroke centers, Customizable phone list, Offline access

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Susbcription | $9.99 | per year |
| Lifetime Access | $99.99 | one-time |


### EMS Protocol Reference

[App page](https://appshunter.io/ios/app/ems-protocol-reference/id6761344731)

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

**In-app purchases:** none


## Frequently asked questions

### Is Massachusetts EMS free?

Massachusetts EMS is free to download, with in-app purchases available.

### Is EMS Protocol Reference free?

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

### Do Massachusetts EMS or EMS Protocol Reference have ads?

Neither Massachusetts EMS nor EMS Protocol Reference shows ads.

### Which is updated more often, Massachusetts EMS or EMS Protocol Reference?

Massachusetts EMS ships an update monthly, and EMS Protocol Reference every 3 months. Most recently, Massachusetts EMS was updated on October 13, 2026 and EMS Protocol Reference on October 14, 2026.

---

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