PediaRex vs Doctor Walah
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
PediaRex
This educational tool helps medical students practice pediatric dose calculations and pharmacology. It offers offline practice for various medication forms and includes a comprehensive study guide with clinical notes and warnings. An optional Pro version removes ads and adds advanced 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
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PediaRex ā 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) ā 370+ Medicines (included) Practice pediatric drug dosage calculations for syrups, suspensions, oral drops, tablets, nebulizers, and inhalers commonly used in outpatient learning. IP (Inpatient) ā 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 ā 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.
Doctor Walah
Access a comprehensive collection of video lessons on various subjects. Study at your convenience without sacrificing educational quality. Learn at your own pace with this accessible learning platform.
- Vast library of video lectures
- Learn anytime, anywhere
- Self-paced learning
- High-quality educational content
- Accessible on iPhone and iPad
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Explore our vast library of video lectures anytime, anywhere. Learn at your own pace without compromising on quality
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Verdict
The clearest difference is update cadence: PediaRex at daily against Doctor Walah's every 6 weeks. On price, review sentiment, ads and in-app purchases there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. PediaRex sells 1 one-off in-app purchase and Doctor Walah sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
PediaRex ships an update daily, Doctor Walah every 6 weeks. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.
| Parameter | PediaRex | Doctor Walah |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Update frequency | Daily ā better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod ā better | iPhone, iPad |
| Requires iOS | 15.0 ā better | 16.6 |
| Further details ā not scored | ||
| Size | 39 MB | 321 MB |
| Age rating | 17+ | 4+ |
| Developer | Sajil Haq | Spayee Labs |
Customer experience
PediaRex
Doctor Walah
In-app purchases
PediaRex
- PediaRex Pro Onetime purchase$0.99
Doctor Walah
- Training Course$9.99









