# RxCalc vs Workflow Services

The clearest difference is price: Workflow Services at Free against RxCalc's $2.99. Workflow Services also leads on update cadence (every 4 months vs every 25 months) and iOS requirement (13.0 vs 15.0). RxCalc's advantage is chart position (#65 vs unranked). On ads, in-app purchases and device support there is nothing between them.

Workflow Services is free to download; RxCalc costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RxCalc ships an update every 25 months, Workflow Services every 4 months. The most recent releases landed on September 22, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | RxCalc | Workflow Services |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/rxcalc/id321211290/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 53.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 4 months** |
| Monetization | Paid | — |
| Best chart rank | **#65** | — |
| Size | 1 MB | 29 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Rob Fahrni](https://appshunter.io/developer/321211293) | [ImageMoverMD](https://appshunter.io/developer/842344902) |

## What reviewers say

### RxCalc

[App page](https://appshunter.io/ios/app/rxcalc/id321211290)

**Currently charting:** #65 Top Paid · Medical (US App Store)

This medical app provides essential pharmacokinetic calculations for healthcare professionals. It offers a fast interface and comprehensive results to streamline dosing regimen design and patient-specific adjustments for medications like vancomycin and aminoglycosides.

**Highlights:** Pharmacokinetic calculations, Vancomycin dosing, Aminoglycoside dosing, Post-level adjustments, Fast interface, Comprehensive results

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

**In-app purchases:** none


### Workflow Services

[App page](https://appshunter.io/ios/app/workflow-services/id6480122416)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RxCalc free?

RxCalc costs $2.99, with no in-app purchases.

### Is Workflow Services free?

Workflow Services is free to download, with no in-app purchases.

### Do RxCalc or Workflow Services have ads?

Neither RxCalc nor Workflow Services shows ads.

### Which is updated more often, RxCalc or Workflow Services?

RxCalc ships an update every 25 months, and Workflow Services every 4 months. Most recently, RxCalc was updated on September 22, 2026 and Workflow Services on September 8, 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.*