# PediaRex — Paediatric dose calculator > Educational pediatric dose calculator and pharmacology study guide for medical students. (iPhone/iPad app by Sajil Haq.) - Source: https://appshunter.io/ios/app/pediarex/id6761159114 (this page in markdown: same URL + `.md`) - Developer: [Sajil Haq](https://appshunter.io/developer/1887198954) - Category: Education, Medical - Price: Free with in-app purchases - Age rating: 17+ - Requires: iOS 15.0 · 39 MB - Languages: American English - Released: 2026-04-04 - Data updated: 2026-08-24 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/pediarex/id6761159114/reviews.md ## What is PediaRex? PediaRex – Pediatric Dose Calculator & Pharmacology Study Guide PediaRex is an educational pediatric dose calculator and pediatric pharmacology study guide for MBBS, nursing, pharmacy, and postgraduate medical students. Practice weight-based (mg/kg) pediatric dose calculations offline for syrups, drops, tablets, IV/IM injectables, nebulizers, and MDI inhalers. Free to download on iPhone and iPad, with banner ads. Unlock one-time Pro for IP Mode, an ad-free experience, and optional cloud backup of your study notes. No subscription. Educational use only. Not for prescribing, diagnosis, or clinical decision-making. WHY STUDENTS USE PEDIAREX • Instant weight-based (mg/kg) pediatric dose practice • OP Mode: 370+ oral and outpatient medicines with mL volumes • IP Mode (Pro): 250+ IV/IM ward, ICU, NICU, and PICU learning medicines • 620+ pediatric medicine entries for search and revision • Clinical notes, warnings, contraindications, and study pearls • Favourites, Line-Up checklist, regional brand names, and optional My Notes • Core calculator and browsing work without internet PEDIATRIC DOSE CALCULATOR • Calculate weight-based (mg/kg) doses instantly • Enter weight in kilograms or age (years + months) for estimated practice weight • OP results show dose in mg and volume in mL • IP results provide mg dosing with study guidance and frequency • Multiple medicine concentrations supported (e.g. 125 mg/5 mL and 250 mg/5 mL) • Live dose updates as weight or age changes • Age-related warnings and contraindications for safer learning DUAL LEARNING MODES OP (Outpatient) – 370+ Medicines (included) Practice pediatric drug dosage calculations for syrups, suspensions, oral drops, tablets, nebulizers, and inhalers commonly used in outpatient learning. IP (Inpatient) – 250+ Medicines (Pro) Study IV and IM medicines used in wards, ICU, NICU, and PICU, including educational dilution notes, administration guidance, and dosing references. Together, OP and IP provide over 620 pediatric medicine entries for learning, revision, and exam preparation. MEDICINE CATEGORIES • Fever, ARI, respiratory, cough and cold medicines • Antibiotics, antivirals, antifungals, and anti-infectives • Gastrointestinal medicines including ORS, zinc, PPIs, probiotics, and antiemetics • Pain medicines, antihistamines, anticonvulsants, and neurology drugs • Vitamins, minerals, endocrine, cardio-renal, and immune medicines • Emergency drugs, fluids, steroids, antimicrobials, and critical-care medicines STUDY TOOLS • Search 620+ pediatric medicines by generic name • Separate favourites for OP and IP • Line-Up checklist for ward-style revision • Add regional brand names and optional price notes • Optional Google Sign-In (Pro) to sync brands, personal notes, and favourites — never stores age, weight, or patient data • Core pediatric dose calculator works completely offline FREE ON iOS + ONE-TIME PRO PediaRex is free to download and includes banner ads. One-time Pro unlock (no subscription) includes: • IP Mode for inpatient and critical-care learning • Ad-free experience • Google Sign-In cloud backup for brands, My Notes, and favourites Restore Purchases is available after reinstall or device change. IDEAL FOR • MBBS students • MD Pediatrics, DNB, and DCH trainees • NEET PG, INICET, and FMGE preparation • BSc Nursing, MSc Nursing, GNM, and ANM students • PharmD, B.Pharm, and D.Pharm students • Interns, residents, junior doctors, and clinical trainees • ICU, NICU, PICU, and pediatric nursing staff DISCLAIMER PediaRex is an educational pediatric dosage calculator, child dose calculator, and pharmacology learning tool. It is not a clinical decision-support system and must not be used for prescribing or real-patient care. Always verify doses using standard references such as the Nelson Textbook of Pediatrics, IAP recommendations, hospital protocols, and guidance from senior clinicians. ## Key features - Weight-based pediatric dose practice - Offline calculation for syrups, drops, tablets, injectables - Study guide with clinical notes and warnings - Over 620 pediatric medicine entries - Pro version with IP Mode and ad-free experience - Searchable medicine database ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | PediaRex Pro Onetime purchase | $0.99 | one-time | ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/pediarex/id6761159114/reviews.md ### 5/5 — Very useful app *2026-08-09* The app is handy for nearly all of the medicines commonly prescribed for kids. The user-interface helps to quickly calculate doses for multiple drugs in a single click. Also listed are the drugs not to be given for kids. Definitely recommended ✌🏻✌🏻 ### 5/5 — Cool app, can't believe *2026-08-02* Excellent app, app UI & Content are simply awesome ## Frequently asked questions about PediaRex ### What is PediaRex? PediaRex is an educational pediatric dose calculator and pharmacology study guide designed for medical students. It allows users to practice weight-based dose calculations for various medication types and provides a comprehensive database of pediatric medicines. ### Is PediaRex free to download? Yes, PediaRex is free to download on iPhone and iPad. The free version includes banner ads and core functionality for outpatient medicine calculations. ### What does the Pro version of PediaRex offer? The Pro version of PediaRex can be unlocked with a one-time purchase. It removes banner ads, enables IP Mode for inpatient and critical care medicines, and offers optional cloud backup for study notes. ### Can PediaRex be used offline? Yes, the core pediatric dose calculator and browsing features of PediaRex work completely offline. This allows for practice and study without an internet connection. ### What age rating does PediaRex have? PediaRex has an age rating of 17+, which is appropriate for its target audience of medical students and professionals. ### How often is PediaRex updated? The latest version of PediaRex is 2.0.6, and it was last updated on August 11, 2026. This indicates a recent update, suggesting ongoing development and maintenance. ### Does PediaRex have ads? The free version of PediaRex contains banner ads. Users can opt for the one-time Pro unlock to experience an ad-free environment. ### What devices support PediaRex? PediaRex is available on iPhone, iPad, and iPod. It is designed for Apple's iOS ecosystem. ## Version history (last 5 releases) ### 2.0.6 — 2026-08-11 Minor UI bug fixes ### 2.0.5 — 2026-08-10 New features - Added more medicines , more notes, More features in medicine card. Custom concentration for syrups. Add notes. Improved global search. New features in Pro Version - Favorites, Line-Up etc. ### 2.0.3 — 2026-04-06 Minor UI improvements. No changes to medical content or functionality. ### 2.0.2 — 2026-04-05 What’s New Citations & References A dedicated section providing verified medical sources, including WHO, Nelson’s, Harriet Lane, IAP, and more. Further Reading Direct access to in-depth medical references within the app. Universal Clinical Info Standardized references and disclaimers are now available for every medicine via the info button. Improved Sharing Easily share PediaRex with both iOS App Store and Google Play links in a single tap. Bug Fixes Fixed an issue where ad-related error messages were incorrectly shown to users. ### 2.0.0 — 2026-04-05 No release notes. ## Apps similar to PediaRex | App | Rating | Price | Category | | --- | --- | --- | --- | | [Zörgm Pro](https://appshunter.io/ios/app/zorgm-pro/id6759584407) | — | Free | Education | | [Clinical Guruji](https://appshunter.io/ios/app/clinical-guruji/id1553865573) | — | Free | Education | | [Pocket MD Clinic](https://appshunter.io/ios/app/pocket-md-clinic/id6749205962) | — | Free | Education | | [MIST NEXT](https://appshunter.io/ios/app/mist-next/id1563911881) | 3.5 (2) | Free | Education | | [AyurQuest - AIAPGET Ayurveda](https://appshunter.io/ios/app/ayurquest-aiapget-ayurveda/id6499452927) | — | Free | Education | | [Doctor Walah](https://appshunter.io/ios/app/doctor-walah/id6762003019) | — | Free | Education | ## More apps by Sajil Haq - [MAB Ninja](https://appshunter.io/ios/app/mab-ninja/id6760997551) - [Dyzee - Dice and Toss](https://appshunter.io/ios/app/dyzee-dice-and-toss/id6761455631) - [Prep DNB](https://appshunter.io/ios/app/prep-dnb/id6761892187) All apps by Sajil Haq: https://appshunter.io/developer/1887198954 ## Related topics [fat scientist](https://appshunter.io/ios/topics/fat-scientist) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-24.*