Comparison

PA EMS Protocols vs COSA

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

Head to head
About

PA EMS Protocols

This app provides emergency medical responders in Pennsylvania with the latest protocols and hospital data. It offers fast updates, search functionality, and access to state and regional information, including EMS bulletins and scope of practice.

Highlights
  • Latest protocols and hospital data
  • Fast content updates
  • Search functionality
  • Dark mode for night shifts
  • Access to PA Medic
  • State and regional information
Features
Currently charting
Read full description

If you are an Emergency Medical Responder, EMT, AEMT, Paramedic, Critical Care Paramedic, Nurse, student, or other medical professional in Pennsylvania looking for an app with the latest protocols and hospital data, iHarig's protocol app is the app for you! This application hosts the fastest updates, works on all platforms, features dark mode for night shifters, and features searching, quick access to PA Medic right within the app, and important state/regional information beyond just displaying protocols. NEW in this release: offline mode with starred protocols, universal search across all levels, useful tools (timers, calculators, and other conversions), and an automatically tracked recently viewed list. With fast (and sharable) updates to content, resources like EMS information bulletins, regional protocols and pilot forms, scope of practice, med lists, hospital data, and other third-party resources curated by iHarig are right at your fingertips! Note, to use offline mode you must initially download protocols with a live connection. The app will periodically check for updates to resources in the background when a live connection is available. PA Medic Hospital information requires a live internet connection. It is the user's responsibility to ensure they are using the latest version of a protocol at allowed scope of practice with current authorization.

About

COSA

Access essential drug information and advanced patient resources. This app provides a portion of licensed drug data from a leading healthcare information provider, based on industry-standard databases.

Highlights
  • Essential drug information
  • Advanced patient resources
  • Licensed drug data
  • Industry-standard databases
  • Physician-focused resources
Features
Read full description

Find essential drug information & advanced patient resources. Physicians Office Resource licenses drug information data from First DataBank and provides a portion of it as a free service to its physician-users. First DataBank is the leading provider of electronic drug information to the healthcare industry. Based on the widely accepted industry standard — the National Drug Data File® — NDDF Plus databases are backed by the most clinically verifiable evidence gathered to date.

Screenshots

PA EMS Protocols4 screens
COSA4 screens

Verdict

The call

The clearest difference is price: COSA at Free against PA EMS Protocols's $4.99. COSA also leads on iOS requirement (11.0 vs 14.0). PA EMS Protocols's advantage is rating (4.7 vs 3.7) and ads (none vs shown). On ratings volume, update cadence, 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

COSA is free to download; PA EMS Protocols costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

PA EMS Protocols holds the better App Store score, 4.7 against 3.7. Both are backed by a comparable volume of ratings — 7 and 3 respectively.

UpkeepUpdate frequency

PA EMS Protocols ships an update every 4 months, COSA every 3 months. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 5 level
PA EMS Protocols versus COSA: the parameters behind the verdict, then further details
ParameterPA EMS ProtocolsCOSA
Price$4.99Free — better
Rating4.7 (7 ratings) — better3.7 (3 ratings)
Positive reviews50.0% of reviews—
Number of ratings7 — better3
Update frequencyEvery 4 monthsEvery 3 months — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaidAd-supported — better
Best chart rank#136 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.011.0 — better
Further details — not scored
Size41 MB28 MB
Age rating17+4+
DeveloperNathan HarigMEDICAL EDUCATION RESOURCES, LLC

Customer experience

PA EMS Protocols

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive50.0%
Neutral25.0%
Negative25.0%

COSA

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

None

PA EMS Protocols

No in-app purchases

None

COSA

No in-app purchases

Questions

Is PA EMS Protocols free?
PA EMS Protocols costs $4.99, with no in-app purchases.
Is COSA free?
COSA is free to download, with no in-app purchases.
Which has better reviews, PA EMS Protocols or COSA?
PA EMS Protocols is rated higher. PA EMS Protocols averages 4.7 out of 5 from 7 ratings, while COSA averages 3.7 from 3 ratings.
Do PA EMS Protocols or COSA have ads?
COSA shows ads; PA EMS Protocols does not.
Which is updated more often, PA EMS Protocols or COSA?
PA EMS Protocols ships an update every 4 months, and COSA every 3 months. Most recently, PA EMS Protocols was updated on November 11, 2026 and COSA on November 3, 2026.

Other comparisons