# CRRT Dose Calculator vs IPNA App

The clearest difference is update cadence: IPNA App at every 3 months against CRRT Dose Calculator's every 10 months. CRRT Dose Calculator's advantage is monetization model (free vs ad-supported) and iOS requirement (8.0 vs 15.1). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 1.0 for CRRT Dose Calculator against 1.0 for IPNA App. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

CRRT Dose Calculator ships an update every 10 months, IPNA App every 3 months. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | CRRT Dose Calculator | IPNA App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/crrt-dose-calculator/id1162153437/reviews) | [1.0 (1 ratings)](https://appshunter.io/ios/app/ipna-app/id6476544372/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 months** |
| Monetization | **Free** | Ad-supported |
| Size | 3 MB | 32 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Baxter Healthcare Corporation](https://appshunter.io/developer/410026240) | [International Pediatric Nephrology Association](https://appshunter.io/developer/1727076514) |

## What reviewers say

### CRRT Dose Calculator

[App page](https://appshunter.io/ios/app/crrt-dose-calculator/id1162153437)

This medical tool calculates the effluent dose for Continuous Renal Replacement Therapy (CRRT). It supports four CRRT modalities and allows users to configure pre/post replacement flow and regional citrate anticoagulation settings.

**Highlights:** CRRT dose calculation, Supports CVVHDF, CVVH, CVVHD, SCUF modalities, Pre/post replacement flow settings, Regional citrate anticoagulation settings

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

**In-app purchases:** none


### IPNA App

[App page](https://appshunter.io/ios/app/ipna-app/id6476544372)

This app provides healthcare professionals and enthusiasts with essential clinical tools and educational resources in pediatric nephrology. Stay updated with the latest news, access on-demand webinars, and utilize medical calculators for diagnosis and treatment.

**Highlights:** Latest news and developments, Educational materials and case studies, On-demand webinars, Medical calculators, Access to journals and textbooks (for members)

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

**In-app purchases:** none


## Frequently asked questions

### Is CRRT Dose Calculator free?

CRRT Dose Calculator is free to download, with no in-app purchases.

### Is IPNA App free?

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

### Which has better reviews, CRRT Dose Calculator or IPNA App?

CRRT Dose Calculator and IPNA App are both rated 1.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do CRRT Dose Calculator or IPNA App have ads?

Neither CRRT Dose Calculator nor IPNA App shows ads.

### Which is updated more often, CRRT Dose Calculator or IPNA App?

CRRT Dose Calculator ships an update every 10 months, and IPNA App every 3 months. Most recently, CRRT Dose Calculator was updated on October 14, 2026 and IPNA App on October 15, 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.*