# HidraPedia vs PICUCalc

The clearest difference is price: HidraPedia at Free against PICUCalc's $4.99. HidraPedia also leads on iOS requirement (13.0 vs 18.0). PICUCalc's advantage is update cadence (every 3 days vs every 48 months). On ads, in-app purchases and device support there is nothing between them.

HidraPedia is free to download; PICUCalc costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

HidraPedia ships an update every 48 months, PICUCalc every 3 days. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | HidraPedia | PICUCalc |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/hidrapedia/id1407496786/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 48 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 22 MB | 15 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Universidad del Rosario](https://appshunter.io/developer/1091330047) | [Carlos Sarta](https://appshunter.io/developer/6779777264) |

## What reviewers say

### HidraPedia

[App page](https://appshunter.io/ios/app/hidrapedia/id1407496786)

This app assists healthcare professionals in calculating oral and intravenous fluid volumes for children based on hydration plans. It helps determine appropriate hydration strategies and volumes for dehydrated pediatric patients with an intuitive interface. The tool also offers alarm scheduling for patient supervision and access to reference materials.

**Highlights:** Fluid volume calculation (oral & IV), Hydration plan A, B, C support, Patient weight, age, and hydration status input, Alarm scheduling for supervision, Access to reference tables, Intuitive user interface

**Features:** macOS Compatibility

**In-app purchases:** none


### PICUCalc

[App page](https://appshunter.io/ios/app/picucalc/id6779777262)

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

**In-app purchases:** none


## Frequently asked questions

### Is HidraPedia free?

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

### Is PICUCalc free?

PICUCalc costs $4.99, with no in-app purchases.

### Do HidraPedia or PICUCalc have ads?

Neither HidraPedia nor PICUCalc shows ads.

### Which is updated more often, HidraPedia or PICUCalc?

HidraPedia ships an update every 48 months, and PICUCalc every 3 days. Most recently, HidraPedia was updated on October 12, 2026 and PICUCalc on October 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.*