# Dosage Calculations Made Easy vs Certa Dose

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.

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.

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.

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.

## The numbers

| Metric | Dosage Calculations Made Easy | Certa Dose |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (41 ratings)](https://appshunter.io/ios/app/dosage-calculations-made-easy/id1207761513/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/certa-dose/id1524942244/reviews)** |
| Number of ratings | **41** | 5 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 47 MB | 16 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Skyscape Medpresso Inc](https://appshunter.io/developer/818609416) | [Certa Dose, Inc.](https://appshunter.io/developer/1524942636) |

## What reviewers say

### Dosage Calculations Made Easy

[App page](https://appshunter.io/ios/app/dosage-calculations-made-easy/id1207761513)

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:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 25% Off-Limited Time Offer | $22.49 | per year |
| 20% Off-Limited Time Offer | $23.99 | per year |
| 15% Off-Limited Time Offer | $25.49 | per year |
| Dosage Calculations 1 Year Sub | $29.99 | per year |
| Dosage Calculations | $29.99 | one-time |


### Certa Dose

[App page](https://appshunter.io/ios/app/certa-dose/id1524942244)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly plan | $3.99 | per month |
| Yearly subscription | $29.99 | per year |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*