Comparison

AED Sim vs CPR Now App

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

Head to head
About

AED Sim

This realistic simulator offers an authentic AED training experience with customizable prompts, sounds, and scenarios. It adheres to current CPR guidelines and provides an inexpensive way to practice using a defibrillator.

Highlights
  • Authentic AED simulation
  • Realistic voice prompts and sound effects
  • CPR metronome at 100-110 BPM
  • Customizable scenario editor
  • User-provided backgrounds and sound effects
  • Adheres to 2020 CPR Guidelines
Features
Read full description

Realistic AED simulator for CPR training. Built for iPhone and iPad. No ads. No tracking. ## Features - Authentic simulation of an AED (Automatic External Defibrillator). Realistic voice prompts, button clicks, sound effects, graphics, animations and flashing lights. - LED displaying instructions, number of shocks, and CPR countdown timer. CPR metronome provides beats at 100, 105, or 110 BPM (beats per minute). This ensures CPR compressions at the correct frequency. - Scenario editor allows for custom or random scenarios. - All prompts, messages, timing, and voices are customizable. You can change any message or voice prompt to match any AED. - Allows for user provided backgrounds, sound effects, and even metronomes. Drop an MP3 of Staying Alive into the Metronomes directory to do compressions to the Bee Gees. - Adheres to 2020 CPR Guidelines. - Universal app supports iPad. - Great price. ## Details An AED is a device used to provide a shock of electricity to somebody in cardiac arrest (having a heart attack). Defibrillation is the definitive treatment. Knowing how to use an AED is an important skill for firefighters, EMTs, paramedics, nurses, doctors and general public. AED Sim gives people a chance to see, hear and interact with an AED. If you have ever been curious about how one operates now is your chance. The built-in scenario editor lets you create a custom scenario or it can generate a random scenario for you. Combine an iPhone or iPad and AED Sim and youʼve got an inexpensive realistic training environment for practicing CPR. No costly AED trainers needed. Designed and built by a former Canadian paramedic with 20 years of software development experience.

About

CPR Now App

This app provides a metronome to guide users through Hands-Only CPR chest compressions at the recommended rate of 100-120 bpm. It aims to empower individuals to perform effective CPR during cardiac arrest events, turning a smartphone into a potentially life-saving tool.

Highlights
  • Hands-Only CPR assistance
  • Metronome for compression rate
  • 100-120 bpm guidance
  • Supports medical personnel and everyday individuals
  • Turns smartphone into a life-saving tool
Features
Read full description

CPR Now is a free & simple CPR app to assist with Hands-Only CPR/chest compressions during a cardiac arrest event. Let our metronome guide you to the proper chest compression rate & rhythm (100-120bpm per American Heart Association). Our CPR app sets the pace. With CPR Now, medical personnel, first responders, and everyday individuals can perform the proper and effective rate of compressions during CPR with our app metronome. With your smartphone, anyone can achieve the perfect compression ratio. Turning your everyday device into a potentially lifesaving device. To give someone the best chance of survival in Cardiac Arrest is immediate CPR (Bystander CPR/Sidewalk CPR) and not wait for First Responders.

Screenshots

AED Sim4 screens
CPR Now App4 screens

Verdict

The call

The clearest difference is price: CPR Now App at Free against AED Sim's $2.49. CPR Now App also leads on review sentiment (83% vs 50%) and update cadence (every 6 weeks vs every 44 months). On rating, 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

CPR Now App is free to download; AED Sim costs $2.49 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

AED Sim holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 4 and 13 respectively. Written reviews complicate that: 50% of AED Sim's written reviews are positive against 83% of CPR Now App's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

AED Sim ships an update every 44 months, CPR Now App every 6 weeks. The most recent releases landed on September 15, 2026 and October 1, 2026 respectively.

Scorecard5 real differences · 5 level
AED Sim versus CPR Now App: the parameters behind the verdict, then further details
ParameterAED SimCPR Now App
Price$2.49Free — better
Rating4.8 (4 ratings) — better4.6 (13 ratings)
Positive reviews50.0% of reviews83.3% of reviews — better
Number of ratings413 — better
Update frequencyEvery 44 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size7 MB18 MB
Age rating4+4+
DeveloperGerry ShawKeegan Sauer

Customer experience

AED Sim

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews26 reviews
Positive50.0%
Neutral15.4%
Negative34.6%

CPR Now App

All ratings11 ratings
Positive90.9%
Neutral0.0%
Negative9.1%
Written reviews6 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

In-app purchases

None

AED Sim

No in-app purchases

None

CPR Now App

No in-app purchases

Questions

Is AED Sim free?
AED Sim costs $2.49, with no in-app purchases.
Is CPR Now App free?
CPR Now App is free to download, with no in-app purchases.
Which has better reviews, AED Sim or CPR Now App?
AED Sim is rated higher. AED Sim averages 4.8 out of 5 from 4 ratings, while CPR Now App averages 4.6 from 13 ratings.
Do AED Sim or CPR Now App have ads?
Neither AED Sim nor CPR Now App shows ads.
Which is updated more often, AED Sim or CPR Now App?
AED Sim ships an update every 44 months, and CPR Now App every 6 weeks. Most recently, AED Sim was updated on September 15, 2026 and CPR Now App on October 1, 2026.

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