Comparison

AHS EMS vs CritiCalc

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

Head to head
About

AHS EMS

Access essential Alberta Health Services Medical Control Protocols for pre-hospital emergency medical providers. Includes adult and pediatric algorithms, reference materials, and pharmacology information.

Highlights
  • Alberta Health Services Protocols
  • Medical Control
  • Medical First Response
  • Incident Response
  • Adult and pediatric algorithms
  • Reference material
  • Pharmacology information
Features
Read full description

The Alberta Emergency Medical Services Medical Control Protocols app for iOS devices provides emergency medical providers access to easy-to-use Alberta Health Services Protocols (Medical Control, Medical First Response, Incident Response and Critical Care Medical Control) specifically designed for use in the pre-hospital environment. This app includes adult and pediatric algorithms as well as necessary reference material and pharmacology information, including infusion charts, resource information, and provincial contacts. This app provides government-related information (from Alberta Health Services Emergency Medical Services at https://www.albertahealthservices.ca/ems/ems.aspx) that is generated and published from AHSEMS.com (https://www.ahsems.com). App information is also publicly available at https://protocols.ahsems.com.

About

CritiCalc

Features
Read full description

Simple tool for calculating a variety of transport medicine problems. This is not a tool for self-diagnosis and is meant to aid medical professionals that have been trained in these tools. Please seek medical help from a doctor as these tools in isolation are insufficient to provide medical advice. If you are a medical provider, please cross reference local policies, protocols, and training. No guarantee is provided to the accuracy of these tools.

Screenshots

AHS EMS3 screens
CritiCalc3 screens

Verdict

The call

The clearest difference is update cadence: CritiCalc at every 2 weeks against AHS EMS's every 11 months. AHS EMS's advantage is iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

AHS EMS ships an update every 11 months, CritiCalc every 2 weeks. The most recent releases landed on September 20, 2026 and September 13, 2026 respectively.

Scorecard2 real differences · 8 level
AHS EMS versus CritiCalc: the parameters behind the verdict, then further details
ParameterAHS EMSCritiCalc
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews34.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 11 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS12.0 — better15.6
Further details — not scored
Size28 MB53 MB
Age rating17+17+
DeveloperThe Essential Talk Network IncorporatedJason Richmond

In-app purchases

None

AHS EMS

No in-app purchases

None

CritiCalc

No in-app purchases

Questions

Is AHS EMS free?
AHS EMS is free to download, with no in-app purchases.
Is CritiCalc free?
CritiCalc is free to download, with no in-app purchases.
Do AHS EMS or CritiCalc have ads?
Neither AHS EMS nor CritiCalc shows ads.
Which is updated more often, AHS EMS or CritiCalc?
AHS EMS ships an update every 11 months, and CritiCalc every 2 weeks. Most recently, AHS EMS was updated on September 20, 2026 and CritiCalc on September 13, 2026.

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