Comparison

Master Anesthesia vs EXPAREL® NOW

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

Head to head
About

Master Anesthesia

This app provides anesthesia professionals with quick answers to common questions. It highlights anesthetic implications of diseases, surgical cases, and drugs, and includes a searchable acronym list and a comprehensive calculator for dosages, blood loss, and fluid management.

Highlights
  • Disease anesthetic implications
  • Surgical case anesthetic implications
  • Drug anesthetic implications
  • Searchable acronym list
  • Local anesthetic dosage calculator
  • Blood volume and loss calculator
  • Fluid and equipment calculations
Features
Currently charting
Read full description

Master Anesthesia helps anesthesia professionals find answers quickly to common questions. The primary purpose is to provide clinicians with the highlighted anesthetic implications of specific diseases, surgical cases, and drugs. In addition, a searchable list of over 1,000 acronyms is provided. A calculator has also been created to assist with maximum local anesthetic dosage, estimated blood volume, maximum allowable blood loss, fluid calculations, equipment, vitals, and more. Subscription and Purchase Options: Clinical Access Pro: $69.99/year – Full access to all clinical tools and updates. Auto-renews yearly. Full Access CE: $449.99/year – Full access to Clinical Access Pro + everything CRNAs need for their 4-year cycle. More than 150 pre-approved Class A (Mac-Ed) credits, and over 100 courses to choose from. Payment & Renewal: Payment will be charged to your Apple ID account at the time of confirmation. Annual subscriptions automatically renew unless canceled at least 24 hours before the end of the current billing period. You can manage or cancel your subscription anytime in your Apple ID account settings. For more details on managing subscriptions, visit: https://support.apple.com/en-us/118428 Website: https://masteranesthesia.com Terms of Use: https://masteranesthesia.com/terms-of-service Privacy Policy: https://masteranesthesia.com/privacy-policy-and-disclaimer

About

EXPAREL® NOW

This medical resource app provides quick access to guidance on using EXPAREL in surgical procedures. It offers information on regional field blocks and nerve blocks, including dosing, neuroanatomy, and probe positioning with ultrasound imagery and video. Content is available offline.

Highlights
  • EXPAREL usage guidance
  • Dosing information
  • Neuroanatomy and probe positioning
  • Ultrasound imagery and video
  • Offline content access
  • Administrative case reports
Read full description

EXPAREL® NOW EXPAREL® (bupivacaine liposome injectable suspension) dosing and regional block resource. EXPAREL® NOW delivers real-time, offline access to bupivacaine liposome dosing, approved nerve block techniques, and regional anesthesia guidance for the OR — EXPAREL® NOW is your trusted clinical companion for postsurgical pain management. Built by Pacira BioSciences, the makers of EXPAREL®. CLINICAL TOOLS AT YOUR FINGERTIPS: • Procedural dosing guidance • Ultrasound-guided probe positioning with full neuroanatomy references • Step-by-step surgical video walkthroughs for regional and field blocks • Complete case reports for clinical decision support • Offline access to all content • For full Prescribing Information, please visit Exparelpro.com DESIGNED FOR HEALTHCARE PROFESSIONALS: From residency to private practice, EXPAREL NOW informs your non-opioid multimodal approach to postsurgical pain management with the clinical depth your team needs. Download free. No login required. Works offline.

Screenshots

Master Anesthesia4 screens
EXPAREL® NOW4 screens

Verdict

The call

The clearest difference is in-app purchases: EXPAREL® NOW at none against Master Anesthesia's 7. EXPAREL® NOW also leads on review sentiment (100% vs 78%). Master Anesthesia's advantage is update cadence (weekly vs every 2 months) and ratings volume (2K vs 1). On price, rating, 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. Master Anesthesia sells 7 in-app purchases, starting at $69.99 per year. EXPAREL® NOW asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Master Anesthesia against 5.0 for EXPAREL® NOW. That said, the two scores are not equally well evidenced: Master Anesthesia has 2K ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 78% of Master Anesthesia's written reviews are positive against 100% of EXPAREL® NOW's.

UpkeepUpdate frequency

Master Anesthesia ships an update weekly, EXPAREL® NOW every 2 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 5 level
Master Anesthesia versus EXPAREL® NOW: the parameters behind the verdict, then further details
ParameterMaster AnesthesiaEXPAREL® NOW
PriceFreeFree
Rating4.9 (2K ratings)5.0 (1 ratings) — better
Positive reviews78.5% of reviews100.0% of reviews — better
Number of ratings2K — better1
Update frequencyWeekly — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
Best chart rank#129 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.114.0 — better
Further details — not scored
Size66 MB48 MB
Age rating12+17+
DeveloperMatthew WillisPacira Pharmaceuticals, Inc.

Customer experience

Master Anesthesia

All ratings2,000 ratings
Positive97.8%
Neutral0.7%
Negative1.6%
Written reviews93 reviews
Positive78.5%
Neutral5.4%
Negative16.1%

EXPAREL® NOW

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Master Anesthesia

Reported bugs

2 issues
  • Incorrect terminology and credentials on the starting screen
  • Inconsistent behavior when accessing content after subscription changes

Requested features

3 requests
  • Offline access to content
  • Apple Watch integration for the calculator
  • More detailed and up-to-date information on procedures and conditions

EXPAREL® NOW

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

Master Anesthesia

Subscriptions2
  • Master Anesthesia Contributor7 Days trial$69.991 Year
  • Full Access CE7 Days trial$449.001 Year
One-time5
  • Module Unlock$24.99
  • Course Unlock$99.00
  • Master Anesthesia One Time$99.99
Show 2 more
  • One-Time$149.99
  • Course Unlock$449.00
None

EXPAREL® NOW

No in-app purchases

Questions

Is Master Anesthesia free?
Master Anesthesia is free to download, with in-app purchases available.
Is EXPAREL® NOW free?
EXPAREL® NOW is free to download, with no in-app purchases.
Which has better reviews, Master Anesthesia or EXPAREL® NOW?
EXPAREL® NOW is rated higher. Master Anesthesia averages 4.9 out of 5 from 2K ratings, while EXPAREL® NOW averages 5.0 from 1 ratings.
Do Master Anesthesia or EXPAREL® NOW have ads?
Neither Master Anesthesia nor EXPAREL® NOW shows ads.
Which is updated more often, Master Anesthesia or EXPAREL® NOW?
Master Anesthesia ships an update weekly, and EXPAREL® NOW every 2 months. Most recently, Master Anesthesia was updated on October 27, 2026 and EXPAREL® NOW on October 24, 2026.

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