# HidraPedia vs KARVI

The clearest difference is update cadence: KARVI at every 5 months against HidraPedia's every 48 months. HidraPedia's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

HidraPedia ships an update every 48 months, KARVI every 5 months. The most recent releases landed on September 9, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | HidraPedia | KARVI |
| --- | --- | --- |
| Price | Free | Free |
| 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 5 months** |
| Monetization | Free | — |
| Size | 22 MB | 30 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Universidad del Rosario](https://appshunter.io/developer/1091330047) | [Mis Pediatras Nuevo León S.R.L. de C.V.](https://appshunter.io/developer/1712196494) |

## 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


### KARVI

[App page](https://appshunter.io/ios/app/karvi/id6469569900)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HidraPedia free?

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

### Is KARVI free?

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

### Do HidraPedia or KARVI have ads?

Neither HidraPedia nor KARVI shows ads.

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

HidraPedia ships an update every 48 months, and KARVI every 5 months. Most recently, HidraPedia was updated on September 9, 2026 and KARVI on September 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.*