Comparison

MobilEM vs Preface

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MobilEM

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
Currently charting
Read full description

One of our greatest privileges at EMRA is offering resources that can help make every clinical shift easier, through evidence-based guidance in your pocket. Get updated recommendations for antibiotics, toxicology, EKGs, orthopedic injuries, airway management, pediatric emergencies, splinting, critical care medications, and more. Enjoy free content, purchase our resources a la carte, or subscribe to our all-access pass (best value!) to take full advantage of these key features: • Fast, easy navigation • Powerful universal search • Bookmarking • Note-taking fields • Continual updates that require no action on your part We hope you find MobilEM to be useful; check back often, as we will be adding new content on a regular basis. Please note: EMRA is committed to your privacy. See our policy at https://www.emra.org/about-emra/privacy-policy/. Terms of Use: This and all other digital reference content, including all content offered under subscription is intended for a single user on devices belonging to that user. Use of this app running on a common device shared by an organization is disallowed. For further information on terms of use and EULA please see: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ This app is intended for the US healthcare market.

About

Preface

This app automatically generates clinical notes from provider-patient conversations, eliminating the need for manual typing or dictation. It provides real-time charting, ICD-10, and CPT suggestions, allowing healthcare providers to finish documentation quickly and focus on patient care.

Highlights
  • Automatic clinical note generation
  • Real-time charting
  • ICD-10 and CPT suggestions
  • Hands-free documentation
  • Workflow integration
  • Fast and accurate note completion
Features
Read full description

Preface Scribe is the fastest way to document patient visits without typing, clicking, or dictating. Built for providers, Preface listens to the provider-patient conversation and instantly generates clear, complete, and billable clinical notes. No more late nights finishing charts. With Preface, your documentation writes itself as you speak. Charting, ICD-10 codes, and CPT suggestions are all automatically created in real time, ready to review and sign before the next patient walks in. Clinics using Preface Scribe save hours every day without changing their workflow. It’s fast, accurate, safe, and designed specifically for high-volume care settings. Join the growing number of clinics using AI to finish notes faster and get back to what matters most: patient care.

Screenshots

MobilEM4 screens
Preface3 screens

Verdict

The call

The clearest difference is rating: Preface at 5.0 against MobilEM's 3.6. Preface also leads on in-app purchases (none vs 10) and update cadence (every 3 weeks vs every 2 months). MobilEM's advantage is ratings volume (39 vs 2) and chart position (#37 vs unranked). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. MobilEM sells 10 in-app purchases, starting at $1.99 per year. Preface asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Preface holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: MobilEM has 39 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

MobilEM ships an update every 2 months, Preface every 3 weeks. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

Scorecard7 real differences · 4 level
MobilEM versus Preface: the parameters behind the verdict, then further details
ParameterMobilEMPreface
PriceFreeFree
Rating3.6 (39 ratings)5.0 (2 ratings) — better
Positive reviews45.0% of reviews—
Number of ratings39 — better2
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
Best chart rank#37 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size205 MB9 MB
Age rating17+17+
DeveloperEmergency Medicine Residents' AssociationPreface Health Inc.

Customer experience

MobilEM

All ratings39 ratings
Positive61.5%
Neutral10.3%
Negative28.2%
Written reviews20 reviews
Positive45.0%
Neutral15.0%
Negative40.0%

Preface

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

10 purchases

MobilEM

Subscriptions10
  • Ventilator Mgmt. Subscription$1.991 Year
  • Pediatric Qwic$1.991 Year
  • MobilEm Airway Management$4.991 Year
Show 7 more
  • Antibiotic Guide Subscription$9.991 Year
  • MobilEm Ortho Guide$9.991 Year
  • MobilEM Tox Guide$9.991 Year
  • PressorDex$9.991 Year
  • EKG Guide Subscription$9.991 Year
  • PEM Fundamentals Subscription$9.991 Year
  • MobilEm All Access Pass1 Month trial$39.991 Year
None

Preface

No in-app purchases

Questions

Is MobilEM free?
MobilEM is free to download, with in-app purchases available.
Is Preface free?
Preface is free to download, with no in-app purchases.
Which has better reviews, MobilEM or Preface?
Preface is rated higher. MobilEM averages 3.6 out of 5 from 39 ratings, while Preface averages 5.0 from 2 ratings.
Do MobilEM or Preface have ads?
Neither MobilEM nor Preface shows ads.
Which is updated more often, MobilEM or Preface?
MobilEM ships an update every 2 months, and Preface every 3 weeks. Most recently, MobilEM was updated on November 8, 2026 and Preface on October 30, 2026.

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