Comparison

Paediatric calculator vs Pastest

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Paediatric calculator

This app assists healthcare professionals by calculating paediatric dosages based on weight and age. It includes tools for estimating body weight and provides reference information for paediatric cardiac arrest management. Use with care and according to clinical need.

Highlights
  • Dosage calculation by weight and age
  • Age input in days, months, or years
  • Body weight estimation tool
  • Paediatric cardiac arrest reference
  • Reference for ETT size calculation
Features
Read full description

Instructions for use: Enter the body weight (range 0-50kg) and the age (0-10 years, with option to enter age in months or days). The information provided is self-explanatory. If you enter the age in days, the app will assume the baby is a neonate or a very small infant and will take this into account in certain calculations, e.g. ETT size. Additiontal functions: A body weight estimation tool is available to estimate the patient's body weight based on body length/height or age, according to local growth chart data. Additional reference information on management of paediatric cardiac arrest is available via the additional function buttons on the top-right corner. Disclaimer: The use of the application is for reference only; the accuracy of the contents cannot be guaranteed. Administer medications with care and according to clinical need. The author does not accept responsibility or liability for any errors in the information provided or for the misuse or misapplication of material in this app. For reference materials, full disclaimer and copyright information please refer to the app contents. Please contact the author to report any problems or issues.

About

Pastest

Prepare for medical exams with a comprehensive question bank and study materials. Access bite-sized videos, podcasts, and detailed explanations to deepen your understanding. Customize study sessions and review past performance anytime, anywhere.

Highlights
  • Accurate question types for UK medical exams
  • Customizable study sessions with filters
  • Timed tests and mock exams
  • Bite-sized videos and podcasts
  • Expanded explanations for key concepts
  • Offline access to questions and media
  • Bookmarking and note-taking
Features
Read full description

Use the Pastest Written app to study for your medical exams anytime, anywhere. Pastest has many decades of experience and expertise in providing test prep materials that enable medical students and doctors to achieve exam success. The Pastest Written app is designed with your convenience in mind, so whether you’re commuting to work or have a spare 10 minutes between class, the app will help you to fit your prep around a busy schedule. In order to use the app, an active Pastest subscription is required (written exams only). Here’s a long list of why the Pastest Written app is so great: QUESTIONS Full range of accurate question types – in terms of style, content and functionality – for all UK medical exams we provide resources for Comprehensive sessions filters, including specialty, question type, difficulty, familiarity, images and keyword search Create a fully customised session of up to 100 questions, against the clock if required Show clues to highlight the most pertinent parts of the vignette Submit feedback on questions to be reviewed and responded to by our experts Practice using timed tests, mock exams and past papers (where applicable) Great ability to review questions in recently completed and earlier sessions MEDIA Full library of bite-sized videos and podcasts to deepen your understanding of key concepts Play at double speed for quick review and queue up for longer, seamless study sessions ENHANCED FUNCTIONALITY Strengthen your knowledge with our unique Expanded Explanations - an extensive library of searchable, topic-based content Customise the order in which explanations are displayed Download questions and media to access offline Improved bookmarking of content and note-taking A streamlined navigation allowing for quick resumption of sessions in progress and session review More detailed and accurate performance data

Screenshots

Paediatric calculator2 screens
Pastest4 screens

Verdict

The call

The clearest difference is in-app purchases: Paediatric calculator at none against Pastest's 10. Paediatric calculator also leads on rating (5.0 vs 4.5) and iOS requirement (11.0 vs 16.0). Pastest's advantage is update cadence (every 3 weeks vs every 4 months) and ratings volume (69 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Pastest sells 10 one-off in-app purchases. Paediatric calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Paediatric calculator holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Pastest has 69 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Paediatric calculator ships an update every 4 months, Pastest every 3 weeks. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

Scorecard6 real differences · 4 level
Paediatric calculator versus Pastest: the parameters behind the verdict, then further details
ParameterPaediatric calculatorPastest
PriceFreeFree
Rating5.0 (1 ratings) — better4.5 (69 ratings)
Positive reviews—29.2% of reviews
Number of ratings169 — better
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better16.0
Further details — not scored
Size10 MB71 MB
Age rating17+17+
DeveloperThe Chinese University of Hong KongPasTest Ltd

Customer experience

Paediatric calculator

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Pastest

All ratings69 ratings
Positive88.4%
Neutral4.3%
Negative7.2%
Written reviews144 reviews
Positive29.2%
Neutral8.3%
Negative62.5%

In-app purchases

None

Paediatric calculator

No in-app purchases

10 purchases

Pastest

One-time10
  • PLAB 1 - 12 Months$12.99
  • Med Students - 12 Months$49.99
  • MRCPCH FOP - 3 months$59.99
Show 7 more
  • Dentistry - 3 months$79.99
  • MRCP Part 2 - 3 Months$99.99
  • MRCS Part A - 3 months$99.99
  • Dentistry - 12 Months$99.99
  • MRCP Part 1 - 3 months$99.99
  • MRCPCH FOP & TAS - 3 months$99.99
  • MRCS Part A - 6 months$149.99

Questions

Is Paediatric calculator free?
Paediatric calculator is free to download, with no in-app purchases.
Is Pastest free?
Pastest is free to download, with in-app purchases available.
Which has better reviews, Paediatric calculator or Pastest?
Paediatric calculator is rated higher. Paediatric calculator averages 5.0 out of 5 from 1 ratings, while Pastest averages 4.5 from 69 ratings.
Do Paediatric calculator or Pastest have ads?
Neither Paediatric calculator nor Pastest shows ads.
Which is updated more often, Paediatric calculator or Pastest?
Paediatric calculator ships an update every 4 months, and Pastest every 3 weeks. Most recently, Paediatric calculator was updated on November 2, 2026 and Pastest on November 7, 2026.

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