MedCalX vs medPPE
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.
medPPE
This app offers guidance on the appropriate use of Personal Protective Equipment (PPE) for healthcare workers dealing with COVID-19. It helps professionals understand which PPE to use based on their role, care setting, and specific procedures, ensuring their safety while treating patients.
- PPE recommendations for COVID-19
- Information by role and care level
- Guidance for primary care and hospitals
- PPE for aerosol-generating procedures
- Available in multiple PAHO official languages
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The App was elaborated by PAHO/WHO. It is important to take into account that protocols may vary by country, and that these guidelines are from the PAHO/WHO, based on the evidence available to date. It is available on all PAHO official languages: English, Spanish, Portuguese and French. This app provides information about the recommended use of Personal Protective Equipment (PPE) for COVID-19. It will support health-care workers on the use of Personal Protective Equipment and how to protect themselves while caring for patients. Health-care workers can find the information by role, level of care, and multiple departments for primary health care settings or hospital facilities. This app also clarifies what kind of PPE is needed when performing aerosol generating procedures (AGP) and other procedures in patients with COVID-19.
Screenshots
Verdict
The clearest difference is rating: medPPE at 5.0 against MedCalX's 3.8. medPPE also leads on in-app purchases (none vs 1) and update cadence (fortnightly vs every 5 months). 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 1 one-off in-app purchase. medPPE asks for nothing beyond the download.
medPPE 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.
MedCalX ships an update every 5 months, medPPE fortnightly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | MedCalX | medPPE |
|---|---|---|
| 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 | Fortnightly — better |
| 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 | 10.0 — better |
| Further details — not scored | ||
| Size | 45 MB | 17 MB |
| Age rating | 17+ | 12+ |
| Developer | Ossus GmbH | Pan American Health Organization |
Customer experience
MedCalX
medPPE
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
medPPE
Not enough reviews yet to summarise bugs or requests.
In-app purchases
MedCalX
- MedCalX Unlock$4.99
medPPE
No in-app purchases









