RhythmRx vs ECG Rhythms
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RhythmRx
Practice EKG rhythm recognition with timed quizzes and real educational strips. Gamified elements like levels and streaks encourage daily habit-building for clinical or exam preparation. Educational use only, not for patient care.
- Timed practice rounds
- Real educational EKG strips
- XP, levels, and streaks
- Category accuracy feedback
- No account required
- Fast, focused sessions
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Get quicker at the rhythms that count. RhythmRx turns a few focused minutes into monitor-ready EKG pattern recognition — real educational strips, timed rounds, streaks, and levels. Built for nursing students, nurses, EMTs, paramedics, and anyone sharpening rhythm recognition for clinical or exam work. HOW IT WORKS - Timed, multiple-choice practice rounds - Real educational Lead II strips - XP, levels, and streaks to build a daily habit - Category accuracy shows exactly where to focus next WHY RHYTHMRX - No account required — your progress stays on your device - Fast sessions built for between clinicals, shifts, or study blocks - Clear, exam-style cues instead of dense reference text FREE TO START Core rhythm practice is free. Unlock every rhythm and an ad-free space with RhythmRx Plus (monthly) or Lifetime (one-time purchase). EDUCATIONAL USE ONLY RhythmRx is a training aid for learning ECG/EKG rhythm recognition. It is not a medical device and must not be used for patient care or emergency decision-making. Always follow your clinical protocols and licensed medical judgment. Download RhythmRx and start your next practice round today. Privacy Policy: https://rhythm-rx-9h1.pages.dev/privacy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
ECG Rhythms
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Most ECG apps ship a fixed library of tracings. Work through it twice and you stop reading the strip: you start recognising the picture. Then the real thing looks nothing like the picture. This app generates every strip from scratch. Pick atrial fibrillation and you get a different atrial fibrillation every time, with its own rate, its own irregularity, its own baseline. You cannot memorise your way through it, which is the point. WHAT YOU GET Thirty-one rhythms, drawn on a real 25 mm/s, 10 mm/mV grid with a calibration pulse. Sinus rhythms including arrhythmia and pause. Atrial fibrillation and flutter. Supraventricular and junctional rhythms. All four AV blocks. PACs and PVCs, the R-on-T phenomenon, ventricular tachycardia, torsades de pointes, idioventricular and agonal rhythms, ventricular fibrillation and asystole. Paced rhythms, atrial, ventricular and dual-chamber, plus failure to capture and failure to sense. CHOOSE HOW HARD IT IS Answer from a list while you are learning, then switch to open response and name the rhythm yourself with nothing to pick from. Shorthand works, so afib, vtach and Wenckebach all find it. Set the signal quality. Clean is the textbook tracing. Realistic adds the wander and muscle noise of a cooperative patient. Noisy is the strip nobody trains on and everybody eventually gets. SEE WHY, NOT JUST WHETHER Every answer comes with the criteria that define the rhythm, the measured rate, PR, QRS and QT off that exact tracing, and an explanation of why it is not the rhythm you confused it with. MONITOR MODE Recognising a rhythm as it sweeps across a monitor is a different skill from reading a still strip, and it is the one you need at the bedside. Almost nothing else trains it. TRACK WHAT IS STILL SHAKY The rhythms you miss come back more often. The progress page tells you which ones you have down, which ones keep catching you out, and which pairs you are mixing up. ONE PRICE Everything is included. No subscription, no ads, nothing locked behind a second purchase. Works completely offline. For education and exam preparation. Not a medical device and not for clinical diagnosis or patient care.
Screenshots
Verdict
The clearest difference is rating: ECG Rhythms at 5.0 against RhythmRx's 3.0. ECG Rhythms also leads on in-app purchases (none vs 2). On price, ratings volume, ads 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
Both are free to download. RhythmRx sells 2 in-app purchases, starting at $3.99 per month. ECG Rhythms asks for nothing beyond the download.
ECG Rhythms holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
| Parameter | RhythmRx | ECG Rhythms |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) | 5.0 (1 ratings) — better |
| Number of ratings | 1 | 1 |
| Update frequency | — | Daily |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 58 MB | 1 MB |
| Age rating | 12+ | 12+ |
| Developer | GLP-1 Marketing Solutions LLC | FLETCHER REECE STOBAUGH |
In-app purchases
RhythmRx
- RhythmRX Plus - Monthly$3.991 Month
- RhythmRx Plus - Lifetime$24.99
ECG Rhythms
No in-app purchases





