Comparison

MobilEM vs Xray Vault

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

Xray Vault

A fully customizable, offline reference guide for radiologic technologists and students. It helps you store workplace protocols, track license renewals, and manage exam checklists. This digital pocket notebook enhances efficiency for professionals and learners.

Highlights
  • Customizable offline reference guide
  • kVp & mAs trackers
  • Department & OR exam checklists
  • Hospital phone directory
  • License expiration tracker
  • Personalized notes for exams
Features
Currently charting
Read full description

The Ultimate Digital Pocket Notebook for Radiologic Technologists & Students. Welcome to Xray Vault—the fully customizable, 100% offline reference guide built specifically for X-ray technologists, travelers, and radiology students. Xray Vault acts as your external "digital reference brain". Because every department and hospital has different rules, this app is completely customizable to match your exact workplace protocols. WHY RAD TECHS LOVE XRAY VAULT: Works perfectly without cellular service or Wi-Fi. Access your guides instantly. Custom kVp & mAs Trackers: Input and save your preferred exposure factors for specific anatomy, pediatric , or bariatric protocols. Department & OR Exam Guides: Create your own step-by-step checklists for complex surgical fluoroscopy, trauma setups, or routine positioning. Hospital Phone Directory: Store crucial internal extensions (ER desk, Rad reading rooms, transport, lab) right in your pocket. License Expiration Tracker: Never get caught off guard. Track your ARRT and state medical license renewals with offline notification reminders. Personalized Notes: Add custom tips, specific radiologist preferences, and layout reminders to any exam or protocol. BUILT FOR YOUR WORKFLOW. Xray Vault gives you the blank canvas you need to build the perfect workflow companion. Whether you are a seasoned traveler adapting to a new facility, a staff tech managing multiple clinics, or a student prepping for the ARRT boards, Xray Vault keeps you organized and efficient. Download Xray Vault today and replace your scrub-pocket notebook for good!

Screenshots

MobilEM4 screens
Xray Vault4 screens

Verdict

The call

The clearest difference is price: MobilEM at Free against Xray Vault's $4.99. MobilEM also leads on ratings volume (39 vs 1). Xray Vault's advantage is rating (5.0 vs 3.6) and in-app purchases (none vs 12). On ads, chart position, device support and iOS requirement 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

MobilEM is free to download; Xray Vault costs $4.99 up front. MobilEM sells 12 in-app purchases, starting at $1.99 per year. Xray Vault asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Xray Vault 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 1, so its average is the more settled of the two.

UpkeepUpdate frequency

MobilEM ships an update every 2 months, Xray Vault every 5 days. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

Scorecard6 real differences · 5 level
MobilEM versus Xray Vault: the parameters behind the verdict, then further details
ParameterMobilEMXray Vault
PriceFree — better$4.99
Rating3.6 (39 ratings)5.0 (1 ratings) — better
Positive reviews45.0% of reviews—
Number of ratings39 — better1
Update frequencyEvery 2 monthsEvery 5 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
Best chart rank#79 — better#194
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size205 MB133 MB
Age rating17+17+
DeveloperEmergency Medicine Residents' AssociationGINO VALENTIE FERNANDEZ

Customer experience

MobilEM

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

Xray Vault

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

12 purchases

MobilEM

Subscriptions12
  • Ventilator Mgmt. Subscription$1.991 Year
  • Pediatric Qwic$1.991 Year
  • MobilEm Airway Management$4.991 Year
Show 9 more
  • Trauma Guide$4.991 Year
  • 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
  • Pain Management$9.991 Year
  • PEM Fundamentals Subscription$9.991 Year
  • MobilEm All Access Pass1 Month trial$39.991 Year
None

Xray Vault

No in-app purchases

Questions

Is MobilEM free?
MobilEM is free to download, with in-app purchases available.
Is Xray Vault free?
Xray Vault costs $4.99, with no in-app purchases.
Which has better reviews, MobilEM or Xray Vault?
Xray Vault is rated higher. MobilEM averages 3.6 out of 5 from 39 ratings, while Xray Vault averages 5.0 from 1 ratings.
Do MobilEM or Xray Vault have ads?
Neither MobilEM nor Xray Vault shows ads.
Which is updated more often, MobilEM or Xray Vault?
MobilEM ships an update every 2 months, and Xray Vault every 5 days. Most recently, MobilEM was updated on October 16, 2026 and Xray Vault on October 7, 2026.
Which is more popular, MobilEM or Xray Vault?
MobilEM currently peaks at #79 in the App Store charts, and Xray Vault at #194. Chart position reflects recent download velocity rather than total install base.

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