Nurse Calendar vs ECG Rhythms
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nurse Calendar
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Sisu Shift is the shift app that belongs to you — not your employer. Whatever scheduling system your workplace uses, your shifts live there and you can't change that. You can change what you do with them. Photograph the posted schedule and your shifts, earnings, and free time are in your pocket: swap with teammates, share your calendar with the people who matter, and see what you'll actually earn. Run a small clinic or lead a team? Skip the spreadsheet — collect your team's preferences and generate a fair, labor-law-aware schedule automatically. Schedule Management View shifts in weekly and monthly calendar views Add shifts manually or scan paper schedules with AI — dates resolve to the right month and year automatically Bulk-add recurring shift patterns Manage day-off requests with color coding Auto-Scheduling for Clinics & Team Leads Open a preferences round and collect your team's availability Generate a draft schedule that respects coverage and labor-law caps Editable rules per team — rest hours, weekly cap, consecutive days, more Review with stats showing tradeoffs and conflicts before publishing Publish in one tap; members see their shifts instantly Calendar Sharing Share your schedule with a partner, family member, or close friend Mutual sharing keeps everyone in sync Revoke access any time See shared calendars alongside your own Shift Swap Marketplace Post shifts to your team's marketplace Accept, decline, or cancel swaps in real-time Push notifications when teammates respond Track swap status across the team Clock In/Out & Earnings One-tap clock in and out Automatic break tracking Evening, night, weekend, and holiday premium calculations Weekly and monthly earnings breakdown with tax estimates Team Collaboration Create or join teams with a 6-digit invite code See teammates on the same shift Real-time schedule updates across all members Personal notes for each shift Privacy & Security GDPR compliant — right to access and deletion Finnish Data Protection Act (1050/2018) Biometric login (Face ID / Fingerprint) All data encrypted at rest and in transit No patient data processed Built for Compliance EU Working Time Directive Finnish Working Hours Act (872/2019) Overtime and rest period tracking Finnish and English language support
ECG Rhythms
This app generates unique ECG strips for practice, preventing memorization and promoting true understanding of cardiac rhythms. It offers adjustable difficulty, detailed explanations, and progress tracking for educational purposes. Designed for medical students and professionals to hone their diagnostic skills.
- Dynamically generated ECG strips
- 31 distinct cardiac rhythms
- Adjustable signal quality (clean, realistic, noisy)
- Open response and multiple-choice answers
- Detailed rhythm criteria and measurements
- Monitor mode for real-time recognition
- Progress tracking for weak areas
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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 update cadence: ECG Rhythms at daily against Nurse Calendar's monthly. Nurse Calendar's advantage is iOS requirement (15.1 vs 17.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Nurse Calendar ships an update monthly, ECG Rhythms daily. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.
| Parameter | Nurse Calendar | ECG Rhythms |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Monthly | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 39 MB | 1 MB |
| Age rating | 4+ | 12+ |
| Developer | janrau beray | FLETCHER REECE STOBAUGH |
In-app purchases
Nurse Calendar
No in-app purchases
ECG Rhythms
No in-app purchases






