ECG Buddy vs StudyCoorCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ECG Buddy
This AI-powered medical device analyzes ECGs for healthcare professionals, identifying 11 types of arrhythmias and 10 critical digital biomarkers. It supports analysis from various image sources and facilitates report sharing for emergency settings.
- AI-powered ECG/EKG analysis
- 11 heart rhythm classifications
- 10 critical digital biomarkers
- Auto-region detection
- Analysis from photos and paper records
- Report sharing for medical teams
Read full descriptionHide full description
Your eyes see Rhythm. AI sees Risk. ECG Buddy is an AI-powered ECG analysis medical device developed for healthcare professionals in hospitals and emergency settings. With just a single scan from your smartphone or tablet, it provides 11 types of arrhythmia classifications and 11 critical digital biomarkers (LVEF, Shock, Myocardial Infarction, Heart Failure, etc.). Experience ECG Buddy, currently trusted by 90+ hospitals, for free on your mobile device. [Essential Features for Emergency Care] • 11 Heart Rhythm Classifications: Automated detection of various arrhythmias. • 11 Digital Biomarkers: Instant numerical and graphical risk assessment for critical conditions (LVEF, Shock, ACS, STEMI, Pulmonary Edema, Pericardial Effusion, LV/RV Dysfunction, Pulmonary Hypertension, Hyperkalemia, etc.). • Auto-Region Detection: Intelligent recognition and framing of ECG image areas. • Versatile Image Analysis: Analyze ECGs from your photo gallery, paper records, or web-based images. • Consult: Seamlessly transmit analysis results to medical teams during emergency patient transport. [Proven Clinical Utility] • Trusted by 100+ Hospitals: Integrated and actively used within major hospital systems in Korea. • 17 Peer-Reviewed Papers: Accuracy and clinical utility validated through extensive research and publications. • Certified with ISO 27001 & ISO 27701 international security standards. [Usage Policy] • 1 credit is used per analysis. Credits are automatically issued on a monthly basis. • Free to start: Analyze up to 3 ECGs per day and 30 per month for free. • Paid subscription ($19/month or $190/year): Up to 20 analyses per day and 200 per month. [Precautions] • Please read the "Instructions for Use" before clinical application. • Clinical use is restricted to countries where regulatory approval has been granted. For educational and research purposes, use should be limited to post-case reviews and educational interpretations. • For clinical use, this device is intended for physicians capable of interpreting 12-lead ECGs or medical personnel who transmit results to such physicians. • This tool is designed to support diagnostic and treatment decisions and can never replace the professional medical judgment of a physician. *For any inquiries or for more information, please visit our website (www.arpi.ai).
StudyCoorCalc
Read full descriptionHide full description
StudyCoor: Professional Pharmaceutical Study Coordination™ StudyCoor is the essential tool for clinical research coordinators, study managers, and pharmaceutical professionals who need accurate, fast medication compliance calculations on the go. CORE FEATURES Comprehensive Compliance Calculator • Support for all standard dosing frequencies: QD, BID, TID, QID, and PRN • Multi‑bottle tracking for complex dispensing scenarios • Hold days and treatment interruptions fully supported • Partial dose and PRN event integration • Real‑time compliance percentages with clear deviations Study & Subject Management • Create multiple studies and subjects • Store start & end dates, dosing instructions, bottle numbers, and consumption logs • Use defaults to speed data entry across subjects Calculation History • Save all calculations for later review • Filter and sort past calculations for quick reference Explainability & Transparency • Step‑by‑step Explainability View shows exactly how compliance is calculated • Flag descriptions for UNDERUSE, OVERUSE, and hold days • See subject compliance trends over time Privacy‑First Design • All data stored locally on your device – nothing leaves your device • No account required and no internet needed • Use de‑identified subject codes to avoid PHI Security & Compliance • Data encrypted on device StudyCoor Pro • Unlock advanced features like Explainability View, subject compliance trends, improved exports, and study & subject management • 1 month free trial available on the yearly and monthly plan • Subscription automatically renews unless cancelled in App Store settings Free Version Includes • Core compliance calculator • Basic calculation history • Basic exports • No ads, no tracking Designed for iOS • Native SwiftUI interface, works on iPhone and iPad • Supports dynamic type, dark mode, and VoiceOver for accessibility • Offline first – works wherever your study takes you Perfect For • Clinical research coordinators • Investigators, study managers, and CRO teams • Anyone needing accurate medication compliance data How It Works 1. Enter study and subject details, dosing schedule, and date range 2. Input bottle details and consumption logs (including partial doses and hold days) 3. Tap Calculate to instantly get compliance metrics and guidance 4. Review the Explainability View and history to audit calculations 5. Export CSV or PDF summaries to share with your team Support For help or feedback, contact support@studycoor.com. Subscriptions Payment will be charged to your Apple ID at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Manage subscriptions in App Store settings. Privacy StudyCoor collects zero personal data. All information stays on your device. Privacy Policy: https://bvquist1400.github.io/studycooriphoneapp/privacy.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Why StudyCoor? Stop the manual math. StudyCoor handles complex dosing and compliance calculations, providing transparency and peace of mind for you and your study participants.
Screenshots
Verdict
The clearest difference is update cadence: StudyCoorCalc at every 4 days against ECG Buddy's fortnightly. ECG Buddy's advantage is iOS requirement (15.0 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. ECG Buddy sells 2 in-app purchases, starting at $19.00 per month and StudyCoorCalc sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
ECG Buddy ships an update fortnightly, StudyCoorCalc every 4 days. The most recent releases landed on October 14, 2026 and October 1, 2026 respectively.
| Parameter | ECG Buddy | StudyCoorCalc |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 60.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Fortnightly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 119 MB | 4 MB |
| Age rating | 17+ | 17+ |
| Developer | ARPI Inc | Brent Bloomquist |
In-app purchases
ECG Buddy
- Pro Plan Monthly$19.001 Month
- Pro Plan Annual$190.001 Year
StudyCoorCalc
- Pro Monthly1 Month trial$2.991 Month
- Pro Yearly1 Month trial$19.991 Year
Questions
Is ECG Buddy free?
Is StudyCoorCalc free?
Do ECG Buddy or StudyCoorCalc have ads?
Which is updated more often, ECG Buddy or StudyCoorCalc?
Other comparisons















