Critical Med Downloads & RevenueCritical Med: ICU & ACLS Prep · App Store
Critical Med: ICU & ACLS Prep is #10 in Medical Paid in United States and charting in 5 of 30 countries we track.
Updated 11 Nov 2026 · rankings refresh through the day
DeveloperThe Barringer Group, LLC
CategoryMedical
Price29.99 USD
Released
Rating★ 4.8 (1.2k)
Version41.2(3)
Age rating17+
First seen by us
25 Sep 2026
25 Sep 2026Installs (est.)50k+ worldwide
Critical Med: ICU & ACLS Prep update history & changes
Last change · 15 events since 28 Feb 2012Full timeline ↓📦Updated to version 41.2(3)📈Entered the top 100 in 2 charts📈Charting in a new country🆕First spotted by AppInsider📦Version 41.1🆕Released on the App Store
Full timeline · 15 events
- 📦Critical Med: ICU & ACLS Prep updated to version 41.2(3)A quick update with bug fixes, refreshed icons, clearer layouts. We've also refreshed our App Store header and search-result visuals. We appreciate you and your feedback!
- 📈Critical Med: ICU & ACLS Prep entered the top 100 in 2 chartsTop Paid · Medical · BR · Top Grossing · Medical · BR
- 📈Critical Med: ICU & ACLS Prep charting in a new countryBrazil
- 📈Critical Med: ICU & ACLS Prep entered the top 100Top Grossing · Medical · IN
- 📈Critical Med: ICU & ACLS Prep entered the top 10Top Paid · Medical · IN
- 📈Critical Med: ICU & ACLS Prep new best rank in the overall chart: #158Top Paid · All Apps · IN
- 📈Critical Med: ICU & ACLS Prep charting in a new countryIndia
- 📈Critical Med: ICU & ACLS Prep entered the top 10Top Paid · Medical · US
- 📈Critical Med: ICU & ACLS Prep entered the top 100Top Grossing · Medical · CA
- 📈Critical Med: ICU & ACLS Prep entered the top 100Top Paid · Medical · CA
- 📈Critical Med: ICU & ACLS Prep charting in a new countryCanada
- 📈Critical Med: ICU & ACLS Prep charting in a new countryIndonesia
- 🆕Critical Med: ICU & ACLS Prep first spotted by AppInsider#46 in Top Paid · Medical · Saudi Arabia
- 📦Critical Med: ICU & ACLS Prep version 41.1THE BIGGEST UPDATE YET. BUILT ON THE REDESIGN — MORE TO USE ON SHIFT
The new Critical Med is live. This update adds the tools and polish we wanted next: a live vent monitor to practice on, a real night mode, and a tighter UI.
WHAT'S NEW
• Ventilator Studio — practice waveforms on a live monitor. Watch how stiff, obstructive, and combined lungs change the same breath. Home → Airway & Vent, or Ventilator Management → Practice
• Dark Mode — night-shift readable canvases, cards, and type
• Cleaner teaching pages and cards, with less chrome between you and the number
• Bug fixes — tap targets, sheets, and a pile of UI nits
EVERYTHING YOU RELY ON, STILL 100% OFFLINE
No account, no sign-in — every feature works without a signal, plus a fresh clinical brief each morning.
Thank you to everyone who sent feedback. This one's for you. If something looks off or you have ideas, we'd love to hear from you.… more - 🆕Critical Med: ICU & ACLS Prep released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.8 ★
1.2k ratings
Measured
Best rank now
#10
Medical PaidMeasured
New ratings a week
2.2
▲ +167% vs the 2 weeks before
Measured
Critical Med: ICU & ACLS Prep on the App Store
App details
App ID
504065732
Publisher
Jadie Barringer III
On the store since
Feb 2012
14 years on the store
Minimum OS
iOS 18.6+
iPhone XS and later
Devices
iPhone · iPad
Universal purchase
Content rating
17+
1 content note below
Languages
1
EN
Size
733 MB
Also listed in
Health & Fitness
Content notesFrequent/Intense Medical/Treatment Information
Critical Med: ICU & ACLS Prep downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. App Store downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where Critical Med: ICU & ACLS Prep's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| United States | MedicalPaid | #10 |
| Saudi Arabia | MedicalPaid | #55 |
 Canada | MedicalPaid | #121 |
 Indonesia | MedicalPaid | #165 |
 United Arab Emirates | MedicalPaid | #166 |
Apps near Critical Med: ICU & ACLS Prep on the chart
Medical Paid, around #10.
Ratings
App Store, worldwide.
Rating
4.8 ★
1.2k ratings
Measured
Ratings
1.2k
Measured
Review momentum
ⓘ How we measure thisNew ratings a week
2.2
▲ +167% vs the 2 weeks before
Written reviews a week
under 1
US App Store
Lifetime rating
4.8★
recent stars not readable yet: new ratings are a tiny share of the total
Review momentum
79/100
faster than 77% of Medical apps
Review momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
What users say about Critical Med: ICU & ACLS Prep
From the 51 most recent App Store reviews in the US.
Users highly value the app as a comprehensive, offline-capable reference for critical care and EMS professionals, praising its intuitive layout and one-time purchase model. However, recent updates have caused significant frustration due to crashes, broken calculators, and missing features like updated ACLS guidelines or specific protocol customization.
Mostly positive (75% of recent reviews give 4–5 stars). People like it for being useful, and regular updates. The main complaints are about price and subscriptions, and crashes and bugs. Recent reviews are more positive than earlier ones.
What people like
- Useful: “This is a very useful app”
- Updates: “Definitely a bug in the update”
- Crashes & bugs: “Definitely a bug in the update”
- Ease of use: “Visually it is easy to read and pick out what you need”
Common complaints
- Price & subscription: “Please don’t waist your money”
- Crashes & bugs: “Was great now doesn’t work”
- Updates: “The new update is horrible”
- Useful: “This was very useful during a code!”
About Critical Med: ICU & ACLS Prep
Critical Med is a fast, fully offline study companion and reference for critical care clinicians — nurses, paramedics, residents, and attendings. It opens in one tap with no account and no sign-in, so your study material is always ready.
ACLS & RECERTIFICATION STUDY
- Over 800 clinician-reviewed practice questions with the reasoning behind each answer
- Timed 50-question practice exams scored against the 84% pass line
- 11 megacode practice scenarios, each with a review debrief
- Adaptive review that resurfaces the topics you keep missing
STUDY LIBRARY & REFERENCE
- Reference notes on meds commonly seen in critical care
- Over 500 IV compatibility reference pairs
- ICU infusion reference entries
- Lab value references with typical ranges and study notes
RHYTHMS & MONITORING STUDY
- 30 rhythms in an interactive practice simulator to build recognition
- Study guides for CBC, CMP, coagulation, and acid-base concepts
- Reference material on ventilation, capnography, hemodynamics, pacemakers, and ECMO
PROCEDURE & SCENARIO STUDY
- Illustrated procedure study guides
- 100 clinical study playbooks for less common scenarios
- Pediatric and obstetric study references
STUDY ANYWHERE, EVEN OFFLINE
Everything works offline with no account or sign-in, plus a fresh study brief every morning.
Important: Critical Med is an educational study and reference tool. It does not provide diagnosis, treatment directives, or emergency services, and it is not a substitute for professional clinical judgment or facility protocols. ACLS study content supports personal exam preparation only; it is not AHA-accredited and does not grant a certification card.
ACLS & RECERTIFICATION STUDY
- Over 800 clinician-reviewed practice questions with the reasoning behind each answer
- Timed 50-question practice exams scored against the 84% pass line
- 11 megacode practice scenarios, each with a review debrief
- Adaptive review that resurfaces the topics you keep missing
STUDY LIBRARY & REFERENCE
- Reference notes on meds commonly seen in critical care
- Over 500 IV compatibility reference pairs
- ICU infusion reference entries
- Lab value references with typical ranges and study notes
RHYTHMS & MONITORING STUDY
- 30 rhythms in an interactive practice simulator to build recognition
- Study guides for CBC, CMP, coagulation, and acid-base concepts
- Reference material on ventilation, capnography, hemodynamics, pacemakers, and ECMO
PROCEDURE & SCENARIO STUDY
- Illustrated procedure study guides
- 100 clinical study playbooks for less common scenarios
- Pediatric and obstetric study references
STUDY ANYWHERE, EVEN OFFLINE
Everything works offline with no account or sign-in, plus a fresh study brief every morning.
Important: Critical Med is an educational study and reference tool. It does not provide diagnosis, treatment directives, or emergency services, and it is not a substitute for professional clinical judgment or facility protocols. ACLS study content supports personal exam preparation only; it is not AHA-accredited and does not grant a certification card.
Latest updates
41.2(3)
A quick update with bug fixes, refreshed icons, clearer layouts. We've also refreshed our App Store header and search-result visuals. We appreciate you and your feedback!
41.1
THE BIGGEST UPDATE YET. BUILT ON THE REDESIGN — MORE TO USE ON SHIFT
The new Critical Med is live. This update adds the tools and polish we wanted next: a live vent monitor to practice on, a real night mode, and a tighter UI.
WHAT'S NEW
• Ventilator Studio — practice waveforms on a live monitor. Watch how stiff, obstructive, and combined lungs change the same breath. Home → Airway & Vent, or Ventilator Management → Practice
• Dark Mode — night-shift readable canvases, cards, and type
• Cleaner teaching pages and cards, with less chrome between you and the number
• Bug fixes — tap targets, sheets, and a pile of UI nits
EVERYTHING YOU RELY ON, STILL 100% OFFLINE
No account, no sign-in — every feature works without a signal, plus a fresh clinical brief each morning.
Thank you to everyone who sent feedback. This one's for you. If something looks off or you have ideas, we'd love to hear from you.
