# boostEM vs MobilEM

The clearest difference is review sentiment: boostEM at 100% against MobilEM's 45%. boostEM also leads on rating (4.6 vs 3.6) and in-app purchases (none vs 12). MobilEM's advantage is chart position (#38 vs unranked) and ratings volume (39 vs 9). On price, ads and device support there is nothing between them.

Both are free to download. MobilEM sells 12 in-app purchases, starting at $1.99 per year. boostEM asks for nothing beyond the download.

boostEM holds the better App Store score, 4.6 against 3.6. Both are backed by a comparable volume of ratings — 9 and 39 respectively. Written reviews point the same way: 100% of boostEM's written reviews are positive against 45% of MobilEM's.

boostEM ships an update every 3 weeks, MobilEM every 2 months. The most recent releases landed on June 6, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | boostEM | MobilEM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (9 ratings)](https://appshunter.io/ios/app/boostem/id991962466/reviews)** | [3.6 (39 ratings)](https://appshunter.io/ios/app/mobilem/id1474834329/reviews) |
| Number of ratings | 9 | **39** |
| Positive reviews | **100.0% of reviews** | 45.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | — | **#38** |
| Size | 20 MB | 205 MB |
| Requires iOS | **7.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Dirkes Medical, PLLC](https://appshunter.io/developer/1668683062) | [Emergency Medicine Residents' Association](https://appshunter.io/developer/331670150) |

## What reviewers say

### boostEM

[App page](https://appshunter.io/ios/app/boostem/id991962466)

A medical calculator for emergency physicians, offering over 60 clinical decision rules and rapid medication doses. Includes tools like a pupillometer and visual acuity chart, functioning offline without ads.

**Highlights:** 60+ clinical decision rule calculators, Rapid medication doses, Pupillometer, Estimated gestational age calculator, Visual acuity chart, Offline functionality

**In-app purchases:** none


### MobilEM

[App page](https://appshunter.io/ios/app/mobilem/id1474834329)

**Currently charting:** #38 Top Grossing · Medical (US App Store)

Provides fast, evidence-based clinical guidance for emergency medicine professionals. Access updated recommendations on a wide range of topics, including antibiotics, toxicology, and critical care. Offers free content, individual purchases, and an all-access subscription.

**Highlights:** Evidence-based recommendations, Antibiotic and toxicology guidance, EKG and orthopedic injury protocols, Airway and pediatric emergency management, Critical care medication information, Fast navigation and universal search, Bookmarking and note-taking

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ventilator Mgmt. Subscription | $1.99 | per year |
| Pediatric Qwic | $1.99 | per year |
| MobilEm Airway Management | $4.99 | per year |
| Trauma Guide | $4.99 | per year |
| Antibiotic Guide Subscription | $9.99 | per year |
| MobilEm Ortho Guide | $9.99 | per year |
| MobilEM Tox Guide | $9.99 | per year |
| PressorDex | $9.99 | per year |
| EKG Guide Subscription | $9.99 | per year |
| Pain Management | $9.99 | per year |
| PEM Fundamentals Subscription | $9.99 | per year |
| MobilEm All Access Pass | $39.99 | per year |


## Frequently asked questions

### Is boostEM free?

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

### Is MobilEM free?

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

### Which has better reviews, boostEM or MobilEM?

boostEM is rated higher. boostEM averages 4.6 out of 5 from 9 ratings, while MobilEM averages 3.6 from 39 ratings.

### Do boostEM or MobilEM have ads?

Neither boostEM nor MobilEM shows ads.

### Which is updated more often, boostEM or MobilEM?

boostEM ships an update every 3 weeks, and MobilEM every 2 months. Most recently, boostEM was updated on June 6, 2026 and MobilEM on September 25, 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.*