# LogRx vs CalcuDose

The clearest difference is in-app purchases: LogRx at none against CalcuDose's 1. CalcuDose's advantage is review sentiment (86% vs 71%) and iOS requirement (12.0 vs 15.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CalcuDose sells 1 one-off in-app purchase. LogRx asks for nothing beyond the download.

LogRx ships an update every 9 days, CalcuDose every 6 days. The most recent releases landed on September 23, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | LogRx | CalcuDose |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (294 ratings)](https://appshunter.io/ios/app/logrx/id1095064884/reviews)** | — |
| Number of ratings | **294** | — |
| Positive reviews | 70.6% of reviews | **85.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 6 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 51 MB | 28 MB |
| Requires iOS | 15.4 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Log Rx](https://appshunter.io/developer/1095064883) | [QRTouch Development](https://appshunter.io/developer/1543008653) |

## What reviewers say

### LogRx

[App page](https://appshunter.io/ios/app/logrx/id1095064884)

This app provides a real-time system for tracking, logging, and managing controlled substances for EMS and fire agencies. It ensures DEA compliance, simplifies inventory, and reduces the risk of diversion, making agencies audit-ready.

**Highlights:** DEA-compliant narcotics tracking, Controlled substance checks with timestamps, Full chain of custody, Mobile barcode and QR scanning, Real-time sync, Audit trail for compliance

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

**In-app purchases:** none


### CalcuDose

[App page](https://appshunter.io/ios/app/calcudose/id1609062237)

Easily calculate liquid dosages and flow rates for medical applications. Input concentration, desired quantity, or volume and duration to get precise results in ml/h and drops/min. Access your last 15 calculations through the history feature.

**Highlights:** Dose calculation, Flow rate calculation, Unit and volume input, Time unit selection, Drops per ml selection, Calculation history

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalcuDose unlimited for life | $1.99 | one-time |


## Frequently asked questions

### Is LogRx free?

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

### Is CalcuDose free?

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

### Do LogRx or CalcuDose have ads?

Neither LogRx nor CalcuDose shows ads.

### Which is updated more often, LogRx or CalcuDose?

LogRx ships an update every 9 days, and CalcuDose every 6 days. Most recently, LogRx was updated on September 23, 2026 and CalcuDose on June 5, 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.*