AED Sim vs CPR Now App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
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.
- 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
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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
Verdict
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
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.
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.
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.
| Parameter | AED Sim | CPR Now App |
|---|---|---|
| Price | $2.49 | Free — better |
| Rating | 4.8 (4 ratings) — better | 4.6 (13 ratings) |
| Positive reviews | 50.0% of reviews | 83.3% of reviews — better |
| Number of ratings | 4 | 13 — better |
| Update frequency | Every 44 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 7 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Gerry Shaw | Keegan Sauer |
Customer experience
AED Sim
CPR Now App
In-app purchases
AED Sim
No in-app purchases
CPR Now App
No in-app purchases









