NYSORA Nerve Blocks vs Master Anesthesia
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NYSORA Nerve Blocks
This app serves as a comprehensive reference for ultrasound-guided regional anesthesia, aiding anesthesiologists and pain specialists. It provides structured guidance and clear anatomy for a wide range of nerve block procedures, supporting clinical preparation and learning.
- Ultrasound-guided regional anesthesia reference
- Covers head, neck, extremities, thoracic, and abdominal blocks
- Includes sonoanatomy and functional anatomy
- Step-by-step preparation for procedures
- Supports clinical decision-making
- Developed by a global educational organization
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A trusted reference for ultrasound-guided regional anesthesia, used by anesthesiologists and pain specialists worldwide. The app supports clinical preparation and learning across a wide range of regional anesthesia techniques. Covering nerve block procedures from head and neck to upper and lower extremities, thoracic, and abdominal wall blocks, it brings structured guidance and clear anatomy into one focused reference. Commonly performed techniques such as TAP (Transversus Abdominis Plane) block, ESP (Erector Spinae Plane) block, Interscalene Brachial Plexus Block, and Popliteal Sciatic Nerve Block are presented alongside many other approaches, each with ultrasound-focused visuals, functional anatomy, and step-by-step preparation. Designed for everyday use, the app combines sonoanatomy, patient positioning, and block-specific considerations to support confident decision-making before and during clinical practice. Developed by NYSORA, a global educational organization dedicated to advancing regional anesthesia through structured, practice-focused education.
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.
- 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
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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
Screenshots
Verdict
The clearest difference is monetization model: NYSORA Nerve Blocks at free with in-app purchases against Master Anesthesia's subscription. NYSORA Nerve Blocks also leads on chart position (#11 vs #138). Master Anesthesia's advantage is review sentiment (78% vs 56%). On price, rating, ratings volume and update cadence 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
Both are free to download. NYSORA Nerve Blocks sells 2 in-app purchases, starting at $19.99 per month and Master Anesthesia sells 7 in-app purchases, starting at $69.99 per year. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.9 for NYSORA Nerve Blocks against 4.9 for Master Anesthesia. Both are backed by a comparable volume of ratings — 1.1K and 2K respectively. Written reviews are what separate them: 56% of NYSORA Nerve Blocks's written reviews are positive against 78% of Master Anesthesia's.
Both ship on a similar rhythm, roughly weekly. Both last shipped on October 29, 2026.
| Parameter | NYSORA Nerve Blocks | Master Anesthesia |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (1.1K ratings) | 4.9 (2K ratings) — better |
| Positive reviews | 56.0% of reviews | 78.5% of reviews — better |
| Number of ratings | 1.1K | 2K — better |
| Update frequency | Weekly | Weekly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Subscription |
| Best chart rank | #11 — better | #138 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 69 MB | 66 MB |
| Age rating | 12+ | 12+ |
| Developer | NYSORA inc. | Matthew Willis |
Customer experience
NYSORA Nerve Blocks
Master Anesthesia
User reviews
NYSORA Nerve Blocks
From 1.1K App Store ratingsWhat we love
- 📚 High-quality educational content and images
- 🎯 Clean, intuitive layout and user interface
- ✅ Comprehensive regional anesthesia reference
- 🔄 Regularly updated with current information
- 👨⚕️ Excellent for clinical practice and teaching
Room to improve
- 💰 Expensive subscription pricing model
- 🐛 App crashes and won't open (frequent issue)
- 📱 Poor iPad/tablet support and landscape mode
- 🌐 Requires internet connection, no offline mode
- 🎥 Videos frequently fail to load or play
Master Anesthesia
From 2K App Store ratingsWhat we love
- 👍 Intuitive and user-friendly interface
- 🚀 Efficient and fast calculators
- 📚 Comprehensive information and resources
- 💡 Helpful for clinical practice and preparation
- 🔍 Useful reference for anesthesia providers
Room to improve
- 🐛 Frequent crashes and freezes in the calculations section
- 🔒 Issues with purchase verification and login
- 💰 Concerns about the transition to a paid subscription model
- 🔋 High battery consumption and performance issues on older devices
Bugs and requests
NYSORA Nerve Blocks
Reported bugs
10 issues- App won't open or stays on startup screen
- Blank page displayed on launch
- Videos fail to load or play
- Screen goes blank when accessing technique sections
- iCloud login authentication failures
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- Error 500 during account creation
- Unable to close full-size images without force closing app
- Incompatibility with iOS 18.6 and older iOS versions
- Learning modules and anatomy sections won't open
- App crashes after recent updates
Requested features
9 requests- Landscape orientation support for tablets and iPad
- Offline mode for accessing content without internet
- Additional language support (Russian, Turkish, Portuguese subtitles)
- Lifetime purchase option instead of subscription
- More regional anesthesia block techniques coverage
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- Pediatric regional anesthesia techniques
- Video subtitles in multiple languages
- Family sharing option for Apple accounts
- Integration with CME credits for yearly subscriptions
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
In-app purchases
NYSORA Nerve Blocks
- FULL ACCESS SUBSCRIPTION$19.991 Month
- FULL ACCESS SUBSCRIPTION$129.991 Year
Master Anesthesia
- Master Anesthesia Contributor7 Days trial$69.991 Year
- Full Access CE7 Days trial$449.001 Year
- Module Unlock$24.99
- Course Unlock$99.00
- Master Anesthesia One Time$99.99
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- One-Time$149.99
- Course Unlock$449.00
Questions
Is NYSORA Nerve Blocks free?
Is Master Anesthesia free?
Which has better reviews, NYSORA Nerve Blocks or Master Anesthesia?
Do NYSORA Nerve Blocks or Master Anesthesia have ads?
Which is updated more often, NYSORA Nerve Blocks or Master Anesthesia?
Which is more popular, NYSORA Nerve Blocks or Master Anesthesia?
Other comparisons
