Opinion Two vs Pocket Nephrology
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Opinion Two
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Introducing Opinion Two - the ultimate dental consultation and second opinion app that brings professional dental expertise right to your fingertips! Dealing with dental concerns can be challenging, especially when you're not confident in your dentist's diagnosis or treatment recommendations. Our app aims to empower you with a convenient, trustworthy, and secure platform to get a second opinion from licensed dentists in the United States. Dental Second Opinion allows you to upload your medical records and describe your dental circumstances through a user-friendly interface. Upon submitting the required information, you can expect a detailed response from a qualified dental professional within just a few hours. Our network of experienced dentists is committed to providing you with reliable advice and valuable insights to help you make informed decisions about your oral health.
Pocket Nephrology
This medical app provides nephrologists and healthcare professionals with a comprehensive suite of clinical calculators, drug and nutrition databases, and a urinalysis gallery. It offers offline access to essential tools and landmark studies for evidence-based practice.
- Comprehensive clinical calculators
- Dializability and antimicrobial dosing databases
- Urinalysis microscopic gallery
- Landmark studies library
- Adaptive unit systems (US/SI)
- Offline native operation
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Pocket Nephrology is an intuitive, comprehensive, point-of-care mobile application specifically designed for nephrologists, internists, residents, students, and healthcare professionals. COMPREHENSIVE CLINICAL CALCULATORS Our extensive suite features dozens of specialized tools categorised for quick access: RENAL FUNCTION & CLEARANCE - CKD-EPI 2021 Cystatin C and Creainine eGFR - Kinetic eGFR - Cockcroft-Gault Creatinine Clearance and 24-hr Urine Clearance ELECTROLYTES & ACID-BASE - Fractional Excretions (FeNa, FeUrea, FeK, FeMg, FePO4) with their interpretations - Calcium Correction for Hypoalbuminemia - Sodium Correction for Hyperglycemia - Hyponatremia Correction Rates - Bicarbonate deficit - Water defictis (Body water deficit, water clearence, insensible losses, and other losses) in one calculator - Total Body Water (Watson) - Anion Gap & Osmolar Gap - ABG & VBG Analyzer - Multi-electrolyte Supplement Unit Converter (mg, g, mEq, mmol conversions for Sodium Bicarbonate, NaCl, MgSO4, etc.) DIALYSIS & RENAL REPLACEMENT THERAPY (RRT) Hemodialysis and CRRT: - Dysnatremia Correction (HD, CRRT & Rosner formulas) - iHD Target Tracking (URR & Daugirdas Kt/V) - CRRT Dosing (Filtration Fraction & Regional Citrate Anticoagulation) - UF per Weight limits. Peritoneal Dialysis (PD): - Weekly PD Adequacy (Kt/V & CrCl) - Peritoneal Equilibration Test (PET) with dynamic transport graphing and customizable Jaffe Glucose Correction - PD Fluid Calories carbohydrate load estimator MASSIVE DATABASES - Dializability Clinical Database: Fully searchable database of 180+ medications detailing precise pharmacokinetics (MW, Protein Binding, ESRD half-lives) and explicit dosing guides for hemodialysis. - Antimicrobial Dosing: Dynamic dose generator based on eGFR/CrCl. - Nutrition Database: Searchable guide for 280+ foods with precise Potassium, Sodium, Phos, Ca, Mg, and Oxalate content, plus unit conversions (mg/mEq). URINALYSIS MICROSCOPIC GALLERY - Normal and Abnormal Cells - Casts (Hyaline, RBC, WBC, Granular, Muddy Brown, etc.) - Crystals and infectious Microorganisms LANDMARK STUDIES LIBRARY - Quickly reference pivotal, paradigm-shifting clinical trials and papers that have shaped modern nephrology guidelines--putting evidence-based medicine. TAILORED FOR CLINICIANS - Adaptive Unit Systems: Seamlessly toggle between Conventional (US - mg/dL, mEq/L) and Standard International (SI - umol/L, mmol/L) units. - Custom Reference Ranges: Define your institutional normative values for pH, pCO2, HCO3, and Albumin locally. - Smart UI: Set your favorite tools on the dashboard, rely on the "Recently Used" ribbon to resume workflows, and enjoy full Light/Dark mode integration for night shift comfort. - Offline Native: The app operates 100% offline. No internet connection is required. Disclaimer: Pocket Nephrology is an educational reference resource for qualified healthcare professionals. It does not replace independent medical judgment or institutional guidelines.
Screenshots
Verdict
The clearest difference is price: Opinion Two at Free against Pocket Nephrology's $4.99. Pocket Nephrology's advantage is update cadence (every 2 days vs every 12 months) and chart position (#196 vs unranked). On ads, in-app purchases, device support and iOS requirement 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
Opinion Two is free to download; Pocket Nephrology costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Opinion Two ships an update every 12 months, Pocket Nephrology every 2 days. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.
| Parameter | Opinion Two | Pocket Nephrology |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | — | 5.0 (7 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 7 — better |
| Update frequency | Every 12 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Best chart rank | — | #196 — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 63 MB | 31 MB |
| Age rating | 4+ | +17 |
| Developer | Toothly Opinion Inc | Ratib Mahfouz |
In-app purchases
Opinion Two
No in-app purchases
Pocket Nephrology
No in-app purchases







