Comparison

C8 Health vs Master Anesthesia

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

Head to head
About

C8 Health

This application centralizes clinical resources for healthcare teams, embedding them into existing workflows. It offers AI-powered search and smart formats to ensure best practices are readily accessible at the point of care, enhancing efficiency and patient outcomes.

Highlights
  • Centralized clinical resources
  • AI-powered search
  • Smart content formats
  • Workflow integration
  • Point-of-care access
Read full description

Streamline Clinical Operations and Improve Patient Care. C8 Health is an essential tool for care teams. It brings together all of your vetted clinical resources, embeds them in your existing workflows, and ensures the latest best practices are always delivered to the point of care. - A single location for all of your clinical resources: : Access all your approved clinical resources from any device, anywhere - AI-Powered Search: Quickly find the information you need with advanced search capabilities - Smart Formats: Content is transformed to formats that are easy to access, read and apply C8 Health empowers healthcare professionals to efficiently manage and access clinical knowledge. It significantly enhances the productivity and efficiency of clinical teams by streamlining workflows and ensuring the effective implementation of best practices. For inquiries contact hello@c8health.com For existing user support contact support@c8health.com Start benefiting from C8 Health today and support your team with your best practices, at their fingertips.

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

Screenshots

C8 Health4 screens
Master Anesthesia4 screens

Verdict

The call

The clearest difference is in-app purchases: C8 Health at none against Master Anesthesia's 7. Master Anesthesia's advantage is update cadence (weekly vs every 2 months) and ratings volume (2K vs 2). 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. C8 Health asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for C8 Health against 4.9 for Master Anesthesia. That said, the two scores are not equally well evidenced: Master Anesthesia has 2K ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

C8 Health ships an update every 2 months, Master Anesthesia weekly. Both last shipped on November 3, 2026.

Scorecard5 real differences · 6 level
C8 Health versus Master Anesthesia: the parameters behind the verdict, then further details
ParameterC8 HealthMaster Anesthesia
PriceFreeFree
Rating5.0 (2 ratings) — better4.9 (2K ratings)
Positive reviews—78.5% of reviews
Number of ratings22K — better
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
Best chart rank—#187 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.1
Further details — not scored
Size60 MB66 MB
Age rating17+12+
DeveloperHeadToToe.ioMatthew Willis

Customer experience

C8 Health

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

Master Anesthesia

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

Bugs and requests

C8 Health

Not enough reviews yet to summarise bugs or 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

In-app purchases

None

C8 Health

No 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

Questions

Is C8 Health free?
C8 Health is free to download, with no in-app purchases.
Is Master Anesthesia free?
Master Anesthesia is free to download, with in-app purchases available.
Which has better reviews, C8 Health or Master Anesthesia?
C8 Health is rated higher. C8 Health averages 5.0 out of 5 from 2 ratings, while Master Anesthesia averages 4.9 from 2K ratings.
Do C8 Health or Master Anesthesia have ads?
Neither C8 Health nor Master Anesthesia shows ads.
Which is updated more often, C8 Health or Master Anesthesia?
C8 Health ships an update every 2 months, and Master Anesthesia weekly. Most recently, C8 Health was updated on November 3, 2026 and Master Anesthesia on November 3, 2026.

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