# Rx Dose Calc vs PED

The clearest difference is price: PED at Free against Rx Dose Calc's $1.99. PED also leads on rating (4.9 vs 1.0). Rx Dose Calc's advantage is in-app purchases (none vs 3) and update cadence (every 4 days vs every 10 months). On ratings volume, ads and device support there is nothing between them.

PED is free to download; Rx Dose Calc costs $1.99 up front. PED sells 3 in-app purchases, starting at $5.99 per 3 months. Rx Dose Calc asks for nothing beyond the download.

PED holds the better App Store score, 4.9 against 1.0. Both are backed by a comparable volume of ratings — 5 and 7 respectively.

Rx Dose Calc ships an update every 4 days, PED every 10 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Rx Dose Calc | PED |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [1.0 (5 ratings)](https://appshunter.io/ios/app/rx-dose-calc/id1551877020/reviews) | **[4.9 (7 ratings)](https://appshunter.io/ios/app/ped-er/id1568969247/reviews)** |
| Number of ratings | 5 | **7** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 10 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 43 MB | 49 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Andrew Makram](https://appshunter.io/developer/1551877022) | [Tsai Newcomb Technology LLC](https://appshunter.io/developer/1568969249) |

## What reviewers say

### Rx Dose Calc

[App page](https://appshunter.io/ios/app/rx-dose-calc/id1551877020)

This medical reference tool assists healthcare professionals in calculating pediatric medication dosages. It offers offline access to information for over 70 drugs, along with various medical calculators and reference tools.

**Highlights:** Ad-free full version, Offline functionality, Pediatric doses for 70+ drugs, Search by brand or chemical name, Includes adult doses, Medical calculators (BMI, BSA, etc.)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### PED

[App page](https://appshunter.io/ios/app/ped-er/id1568969247)

This medical app provides critical pediatric dosing information for over 170 drugs and infusions, along with vital sign references and calculators. It's designed for emergency medical professionals to quickly access essential data for small patients.

**Highlights:** Pediatric drug dosing information, Over 170 common drugs and infusions, Weight-based vital sign ranges, Medication infusion calculations, Medical and trauma references, Clinical decision support calculators

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Month Subscription | $5.99 | per 3 months |
| 6 Month Subscription | $10.99 | per 6 months |
| One Year Subscription | $19.99 | per year |


## Frequently asked questions

### Is Rx Dose Calc free?

Rx Dose Calc costs $1.99, with no in-app purchases.

### Is PED free?

PED is free to download, with in-app purchases available.

### Which has better reviews, Rx Dose Calc or PED?

PED is rated higher. Rx Dose Calc averages 1.0 out of 5 from 5 ratings, while PED averages 4.9 from 7 ratings.

### Do Rx Dose Calc or PED have ads?

Neither Rx Dose Calc nor PED shows ads.

### Which is updated more often, Rx Dose Calc or PED?

Rx Dose Calc ships an update every 4 days, and PED every 10 months. Most recently, Rx Dose Calc was updated on October 29, 2026 and PED on October 24, 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.*