Comparison

Dosage Calculations Made Easy vs Certa Dose

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

Head to head
About

Dosage Calculations Made Easy

Master nursing dosage calculations with this illustrated guide. It covers all drug forms, administration routes, and practice exercises. Ideal for students and professionals needing to refresh or prepare for exams.

Highlights
  • Dosage calculation for all drug forms
  • Practice exercises
  • NCLEX and certification exam prep
  • Math basics and conversions
  • Pediatric, obstetric, and critical care dosages
  • Interpreting drug orders
Features
Read full description

"Try before you buy" - Download the FREE App, which includes sample content. In-App purchase required to unlock all content. Calculate correct dosages with safety and confidence, with the easy-to-follow nursing expertise of Dosage Calculations Made Incredibly Easy!. This fully illustrated guide offers the complete how-to on calculating dosages for all drug forms and administration routes, with numerous practice exercises and seasoned guidance on interpreting drug orders accurately. Understand class materials more fully, get ready for the NCLEX or certification exam, or refresh your calculation skills with this enjoyable, colorful text. Your Incredible Easy editors know from experience that learning the basics isn't always easy so you'll find full coverage of topics including: - math basics such as fractions, decimals, and percentages - measurement systems and conversions - calculating oral, topical, liquid, and rectal drug dosages - calculating parenteral injections and IV infusions - calculating pediatric, obstetric, and critical care dosages - recording drug administration An easy-reference structure with clearly worded, bulleted content demonstrated with numerous photos, illustrations, and diagrams will give you step-by-step direction on: - calculating dosages of all kinds o starting an infusion, including IV guidelines - choosing administration equipment - dealing with poor handwriting - understanding medication labels and drug abbreviations - avoiding common drug errors Plus, you'll get all of the learning aids, tips, and tricks that nurses have come to expect from the resources in the Incredibly Easy series. ISBN 10: 1496308379 ISBN 13: 9781496308375 SUBSCRIPTION : Please purchase a yearly auto-renewing subscription to receive content access and continuous updates. Your subscription automatically renews every year, so you always have the latest content. Yearly auto-renewing payments- $29.99 Payment will be charged to your iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Subscription may be managed by the user and auto-renewal can be disabled at any time by going to your device “Settings” and tapping “iTunes & App Store”. Any unused portion of a free trial period will be forfeited when you purchase a subscription, where applicable." If you have any questions or comments, email us any time: customersupport@skyscape.com or call 508-299-3000 Privacy Policy - https://www.skyscape.com/terms-of-service/privacypolicy.aspx Terms and Conditions - https://www.skyscape.com/terms-of-service/licenseagreement.aspx https://www.skyscape.com/index/privacy.aspx Editor(s): Margaret Harvey, PhD, MSN, MAT, CNE Publisher: Wolters Kluwer Health | Lippincott Williams & Wilkins

About

Certa Dose

This app helps healthcare professionals confidently administer high-risk medications. It provides visual verification for each step, estimates weight-based doses, and documents sessions instantly. Designed to reduce critical dosing errors, it offers peace of mind in high-stress medical environments.

Highlights
  • Visual medication administration verification
  • Weight-based dose estimation
  • Syringe volume visualization
  • Instant session documentation
  • Medication information and contraindications
  • Virtual pediatric measuring tape
Read full description

Ease the stress and get your confidence back when administering high-risk medication with the Certa Dose App! We provide visual verifies each step of the way to secure the right outcome. Explore the features during the 14-day free trial period and add peace of mind to your daily practice. The Certa Dose app allows you to go through the process of medication administration in less than 60 seconds with a visual representation of everything that you do. You will be able to estimate weight-based dose using multiple options, choose the right syringe, visualize the correct volume of the medication concentration and document sessions seamlessly. HCPs working in emergency care are under a lot of stress—it can be easy to lose track of the various steps of proper measurement of medicine, get distracted, misplace a decimal point, and make a mistake while the patient is in a critical state and the healthcare provider is under stress—mistakes happen and these situations are one of the leading causes of critical dosing errors. That is why we believe visualization features can help medical professionals double-check their work and make sure they clearly see the amount of medicine they intend to administer. The mission of the Certa Dose app is to empower medical professionals to be aware and mindful while measuring medication so they can avoid medical dosing errors. What features do we offer our subscribers? Developed by healthcare professionals using cutting edge technology, the Certa Dose app is trustworthy and fast. We offer: - Multiple options to estimate the patient’s weight - Virtual pediatric measuring tape to assist in obtaining the length of the patient - Select from a dropdown reference of the common medication ranges appropriate for the patient's weight - Visual guide assists in the measurement of volumes by seeing an image of the selected volume - Latest medication information from the pharmaceutical manufacturers including disclaimers and contraindications - Correct medication volume shown in a syringe, visualized in-app - Instant session documentation with timestamps ready for sharing or sending as PDF How does it work? - Medical professionals can select the desired patient measurement from a menu of options - Desired medications are conveniently organized according to the medical situation the medical professional desires to address (E.g. Allergies, etc) - A drop-down reference conveniently lists appropriate dose ranges and administration information - Medical professionals are able to select the route, dose and concentration they desire to give from the reference - Once the desired information is selected the app will provide an image of the most appropriate syringe for the desired volume selected - You can visually validate the selected volume, with easy access to administration reference material and instructions - Compare physical syringe volume with the one in the application to confirm the correct dose - The app keeps track of selected medications automatically timestamps all the steps you did and you can instantly share with ease What medical situations do we cover? Provides reference material for the most common emergencies including: 1. Analgesia 2. Anaphylaxis/Allergy 3. Cardiovascular: Cardiac Arrest 4. Cardiovascular: SVT 5. Cardiovascular: Wide-QRS Tachycardia 6. Cardiovascular: Bradycardia 7. Rapid Sequence Intubation: Pre-treatment 8. Rapid Sequence Intubation: Induction 9. Rapid Sequence Intubation: Paralytic 10. Sedation 11. Seizure 12. Asthma/Croup 13. Fluid Bolus/ hypotension Our subscribers will receive regular free updates with more medical situations, more medication options and a number of new features! https://www.certadose.com/terms-of-service-app

Screenshots

Dosage Calculations Made Easy4 screens
Certa Dose4 screens

Verdict

The call

The clearest difference is review sentiment: Certa Dose at 100% against Dosage Calculations Made Easy's 0%. Certa Dose also leads on rating (5.0 vs 4.5) and ads (none vs shown). Dosage Calculations Made Easy's advantage is monetization model (free with in-app purchases vs subscription) and ratings volume (41 vs 5). On price, in-app purchases and iOS requirement 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. Dosage Calculations Made Easy sells 5 in-app purchases, starting at $22.49 per year and Certa Dose sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Certa Dose holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Dosage Calculations Made Easy has 41 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 0% of Dosage Calculations Made Easy's written reviews are positive against 100% of Certa Dose's.

UpkeepUpdate frequency

Dosage Calculations Made Easy ships an update every 8 months, Certa Dose every 3 months. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

Scorecard7 real differences · 3 level
Dosage Calculations Made Easy versus Certa Dose: the parameters behind the verdict, then further details
ParameterDosage Calculations Made EasyCerta Dose
PriceFreeFree
Rating4.5 (41 ratings)5.0 (5 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings41 — better5
Update frequencyEvery 8 monthsEvery 3 months — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPod
Requires iOS13.013.0
Further details — not scored
Size47 MB16 MB
Age rating17+17+
DeveloperSkyscape Medpresso IncCerta Dose, Inc.

Customer experience

Dosage Calculations Made Easy

All ratings41 ratings
Positive85.4%
Neutral2.4%
Negative12.2%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Certa Dose

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

5 purchases

Dosage Calculations Made Easy

Subscriptions4
  • 25% Off-Limited Time Offer$22.491 Year
  • 20% Off-Limited Time Offer$23.991 Year
  • 15% Off-Limited Time Offer$25.491 Year
Show 1 more
  • Dosage Calculations 1 Year Sub7 Days trial$29.991 Year
One-time1
  • Dosage Calculations$29.99
2 purchases

Certa Dose

Subscriptions2
  • Monthly plan14 Days trial$3.991 Month
  • Yearly subscription14 Days trial$29.991 Year

Questions

Is Dosage Calculations Made Easy free?
Dosage Calculations Made Easy is free to download, with in-app purchases available.
Is Certa Dose free?
Certa Dose is free to download, with in-app purchases available.
Which has better reviews, Dosage Calculations Made Easy or Certa Dose?
Certa Dose is rated higher. Dosage Calculations Made Easy averages 4.5 out of 5 from 41 ratings, while Certa Dose averages 5.0 from 5 ratings.
Do Dosage Calculations Made Easy or Certa Dose have ads?
Dosage Calculations Made Easy shows ads; Certa Dose does not.
Which is updated more often, Dosage Calculations Made Easy or Certa Dose?
Dosage Calculations Made Easy ships an update every 8 months, and Certa Dose every 3 months. Most recently, Dosage Calculations Made Easy was updated on October 24, 2026 and Certa Dose on October 10, 2026.

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