# CalcRx vs Rx Dose Calc

The clearest difference is review sentiment: CalcRx at 100% against Rx Dose Calc's 0%. CalcRx also leads on price (Free vs $1.99) and rating (4.7 vs 1.0). Rx Dose Calc's advantage is in-app purchases (none vs 2) and update cadence (every 4 days vs every 10 months). On ads and device support there is nothing between them.

CalcRx is free to download; Rx Dose Calc costs $1.99 up front. CalcRx sells 2 in-app purchases, starting at $0.99 per month. Rx Dose Calc asks for nothing beyond the download.

CalcRx holds the better App Store score, 4.7 against 1.0. Both are backed by a comparable volume of ratings — 15 and 5 respectively. Written reviews point the same way: 100% of CalcRx's written reviews are positive against 0% of Rx Dose Calc's.

CalcRx ships an update every 10 months, Rx Dose Calc every 4 days. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | CalcRx | Rx Dose Calc |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.7 (15 ratings)](https://appshunter.io/ios/app/calcrx/id1005970010/reviews)** | [1.0 (5 ratings)](https://appshunter.io/ios/app/rx-dose-calc/id1551877020/reviews) |
| Number of ratings | **15** | 5 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 4 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 29 MB | 43 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Dabbling Badger LLC](https://appshunter.io/developer/455874932) | [Andrew Makram](https://appshunter.io/developer/1551877022) |

## What reviewers say

### CalcRx

[App page](https://appshunter.io/ios/app/calcrx/id1005970010)

This app helps medical professionals quickly calculate prescription dispense quantities and billable days supply. It handles various dosage forms and complex regimens, saving valuable time for pharmacists, nurses, and prescribers.

**Highlights:** Prescription quantity calculations, Billable days supply determination, Supports various dosage forms, Handles complex regimens, Standard calculator with history, Sig code reference

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Full Access | $0.99 | per month |
| Yearly Full Access | $9.99 | per year |


### 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


## Frequently asked questions

### Is CalcRx free?

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

### Is Rx Dose Calc free?

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

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

CalcRx is rated higher. CalcRx averages 4.7 out of 5 from 15 ratings, while Rx Dose Calc averages 1.0 from 5 ratings.

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

Neither CalcRx nor Rx Dose Calc shows ads.

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

CalcRx ships an update every 10 months, and Rx Dose Calc every 4 days. Most recently, CalcRx was updated on October 24, 2026 and Rx Dose Calc on October 27, 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.*