MedCalX vs Doc Trivia
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MedCalX
This medical calculator app provides healthcare professionals with a comprehensive tool for complex medical formulas, scores, and classifications. It offers an extensive library of over 300 medical calculations, patient management features, and sharing capabilities.
- Extensive medical formula library (300+)
- Patient management and data saving
- Customizable workflows
- Multiple result sharing options
- Detailed information and references
- US and SI unit support
- iCloud synchronization for favorites
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MedCalX is a tool that enables medical professionals to easily use complicated medical formulas, scores and classifications. 25 years of experience developing this tool for mobile platforms makes MedCalX the leading medical calculator, with an unparalleled user interface and powerful features. MedCalX is free to download and use, but you have access only to a subset of formulas. In-app purchase lets you unlock the whole range of formulas that MedCalX has to offer; more than 300 in total! Main features: • A very large selection (more than 300) of relevant formulas, scores, scales and classifications. • Workflows: create your own series of formulas, text, links and images • Many different ways to share results (and data): copy to clipboard, email report, print via AirPrint, save to patient database... • Exclusive patient management feature for saving and accessing results, as well as images and notes. Results can be exported to the desktop as CSV files and shared between your and your colleaugues iOS devices. • Detailed information and bibliographic references for each formula. • Support for US and SI units, with easy switching from the keypad. • Search for entries by name, keywords and categories. • Takes advantage of iOS 9 – you can now use Spotlight to search for formulas • Customizable list of favorite equations, synchronized via iCloud. • Ability to add notes to individual formulas. • Full support for external (hardware) keyboards Formulas, scores and classifications include, amongst others: • Anesthesiology (ASA, Bromage, Charlson, Cormack, Dermatome, Goldman) • Cardiology (CC/AHA ASCVD, CHADS, EuroSCORE, GRACE, HAS-BLED, Killip, PROCAM, QT-c, TIMI) • Electrolytes (Corrected Ca, Corrected Na, FENa, Osmolal gap) • Evidence-Based Medicine (NNT, Odds, Sample size, Two-way table) • ICU (ABCD2+3, APACHE, CAM-ICU, GCS, Parkland, SAPS, many PE-criteria and trauma scores) • Neurology (AMTS, Aphasia, Canadian rules, NIHSS, WFNS) • Obstetrics (APGAR, Bishop, Malinas, Pregnancy Wheel) • Pediatrics (Age, Target Height, Centor and McIsaac, PRAM, WETFAG) • Respiratory (BODE, Epworth, GOLD, SMART-COP, Spirometry, Thoracoscore) • Renal (Cockcroft, MDRD and more Creatinine/GFR calculators, KDIGO and RIFLE) • ABG analyzer worth $5 in other apps • Complete infusion management tool, great for ICU nurses • Complicated scores (CAM-ICU, CDAI, APACHE, POSSUM, SAPS, Euroscore) If you like MedCalX, we’d appreciate it if you took the time to give us a nice review.
Doc Trivia
This app offers a fast-paced trivia game designed to enhance clinical knowledge for medical professionals and students. It features a wide range of medical categories, a career progression system, and instant educational feedback with source references. The app supports both English and Spanish and can be played offline.
- 16 medical categories
- 80 progression levels
- Global ranking system
- Instant educational feedback
- Bilingual content (English/Spanish)
- Offline-first design
- Quick 20-question sessions
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Dr. Trivia is the medical trivia app built for med students, interns, residents and practicing doctors who want to keep their clinical knowledge sharp every single day. Through a fast paced question and answer format, you turn daily review into a challenging, addictive and truly educational game. From basic anatomy to advanced ACLS scenarios and internal medicine, every question comes with feedback and source references so you actually learn, not just memorize. WHY DR. TRIVIA • 16 carefully organized medical categories: Endocrine System, Medical Culture, Musculoskeletal System, ACLS, Basic Clinic, Basic Sciences, Digestive System and Metabolism, Neurosciences, General Anatomy, Cardiovascular System, Respiratory System, Urinary System, Reproductive System, and more. • 80 progression levels mirroring a real medical career: from Medical Student to Secretary of Health. Every rank reflects a tangible step forward in your knowledge. • Global ranking to compete with students and professionals across Spanish and English speaking countries. • Instant educational feedback after each question, with clear explanations and cited sources. • Bilingual content: switch between English and Spanish with a single tap. Perfect for USMLE, MIR, ENARM and other residency exams. • Quick 20-question sessions with a timer. Ideal for short breaks between rotations. • Speed bonus: answer fast and right to climb the ranking faster. • Offline-first design: study without relying on a constant connection. WHO IT IS FOR Med students preparing for USMLE (US), MIR (Spain), ENARM (Mexico) or any residency exam. Interns and residents who want to keep daily review going. Attendings and specialists who enjoy a daily mental challenge. Medical educators looking for a review tool for their students. RANK SYSTEM You start as a Medical Student and progress through real career stages: Undergraduate Intern, Intern, General Practitioner, Resident, Specialist, Service Chief, all the way to leadership roles like Secretary of Health. Every rank has divisions I to IV and clear progression points. PRIVACY AND CONTENT Dr. Trivia respects your privacy. We only collect the data strictly needed to save your progress and show you in the ranking. Content is strictly educational and does NOT replace professional medical advice. Do not use the information for diagnosis or treatment of real patients. SUPPORT Questions, suggestions or reports? Write to contacto@hixion.mx. Your feedback improves Dr. Trivia every week. Download Dr. Trivia and turn every free minute into real medical practice.
Screenshots
Verdict
The clearest difference is rating: Doc Trivia at 5.0 against MedCalX's 3.8. Doc Trivia also leads on in-app purchases (none vs 3) and iOS requirement (15.0 vs 17.0). MedCalX's advantage is ratings volume (31 vs 1). On price, ads 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. MedCalX sells 3 one-off in-app purchases. Doc Trivia asks for nothing beyond the download.
Doc Trivia holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: MedCalX has 31 ratings behind it against 1, so its average is the more settled of the two.
| Parameter | MedCalX | Doc Trivia |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (31 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 45.8% of reviews | — |
| Number of ratings | 31 — better | 1 |
| Update frequency | Every 5 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 45 MB | 73 MB |
| Age rating | 17+ | 17+ |
| Developer | Ossus GmbH | Angel Cadena Altamirano |
Bugs and requests
MedCalX
Reported bugs
10 issues- App crashes on startup
- App crashes when taking patient photos
- App fails to open or becomes unresponsive
- Unable to restore previous purchases
- Doximity unlock feature not working
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- Spotlight search functionality broken
- NIH scale interface poorly designed
- Parameter value limits prevent calculations for severe patients
- Data migration issues between app versions
- Preferences not carried over during upgrades
Requested features
17 requests- SCORE2 and other modern cardiovascular risk scores
- TRiP(cast) score
- Valve disease calculations
- Pediatric medication dosing calculators
- Electrolyte and fluid replacement calculations
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- ICU-specific calculations and AHI calculation
- GUPTA, AWOL, and CAM traditional scores
- Dermatology scales and classifications
- RESP and PRESET scores
- Psychological assessment scores (depression, alcoholism ratings)
- Gail model and cancer risk calculations
- Pediatric weight percentiles by age
- Custom formula creation
- Unit conversion tool
- Personal formula addition feature
- Forrester classification
- MMSE and other copyrighted scales
Doc Trivia
Not enough reviews yet to summarise bugs or requests.
In-app purchases
MedCalX
- MedCalc 3 UpgradeFree
- Doximity RegistrationFree
- MedCalX Unlock$4.99
Doc Trivia
No in-app purchases
Questions
Is MedCalX free?
Is Doc Trivia free?
Which has better reviews, MedCalX or Doc Trivia?
Do MedCalX or Doc Trivia have ads?
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