Observe. vs NephX
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Observe.
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Observe, user-friendly app designed for healthcare professionals to assess heart failure with preserved ejection fraction, featuring the Heart Failure Association (HFA) of the European Society of Cardiology (ESC) scoring systems: HFA-PEFF and H2FPEF (U.S. Score) guidelines. A precise tool to calculate HFpEF risk score using functional, morphological, and biomarker data. It gives a probability and percentage estimation of HFpEF, aiding diagnosis. However, it's not a substitute for professional medical advice or diagnosis. Healthcare providers should rely on comprehensive medical evaluations and their expertise when interpreting results.
NephX
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NephX is a secure messaging platform built exclusively for the nephrology community in India. WHY NEPHX EXISTS Every brilliant case discussion, every academic insight that happens in WhatsApp threads โ most of it disappears. NephX exists to preserve the collective wisdom of Indian nephrology, structured and searchable for the next consultant, the next fellow, the next decade. WHAT'S INSIDE - Case discussions with structured threads and searchable archives - Voice and video calls โ one-tap, with colleagues anywhere in India - Academic meetings โ host journal clubs, CME, board meetings (recorded + transcribed) - Status updates โ quick clinical posts visible for 24 hours - Document and DICOM sharing โ radiology, lab reports, scans - Live location for emergency consults - End-to-end encrypted transit, encrypted at rest VERIFIED DOCTORS ONLY NephX is free, but access is gated by manual verification. Our admin team verifies medical credentials against Medical Council registries before activating each account. Patient confidentiality is a first-class design constraint, not an afterthought. NOT A MEDICAL DEVICE NephX is for peer academic discussion only. It is not a medical device, not a diagnostic tool, and not intended for direct patient care. BUILT BY THE NEPHX TEAM Developed by GeeApps for the Indian nephrology community. Free forever for verified members. Questions? Dr.VelArvind Subramaiam MD., DM., Email contact@nephx.app or call +91 96266 36000.
Screenshots
Verdict
The clearest difference is update cadence: NephX at every 8 days against Observe.'s every 8 months. Observe.'s advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Observe. ships an update every 8 months, NephX every 8 days. The most recent releases landed on October 2, 2026 and October 12, 2026 respectively.
| Parameter | Observe. | NephX |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 months | Every 8 days โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod โ better |
| Requires iOS | 13.0 โ better | 17.0 |
| Further details โ not scored | ||
| Size | 29 MB | 123 MB |
| Age rating | 4+ | 17+ |
| Developer | SELECT ICT Systems SAE | Gobi Ganesan |
In-app purchases
Observe.
No in-app purchases
NephX
No in-app purchases









