# PediaTools vs KARVI

The clearest difference is price: KARVI at Free against PediaTools's $3.99. PediaTools's advantage is update cadence (every 5 weeks vs every 5 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

KARVI is free to download; PediaTools costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PediaTools ships an update every 5 weeks, KARVI every 5 months. The most recent releases landed on September 14, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | PediaTools | KARVI |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/pediatools/id1661526326/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 5 months |
| Monetization | Paid | — |
| Size | 140 MB | 30 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Gerson Rodriguez](https://appshunter.io/developer/1587778389) | [Mis Pediatras Nuevo León S.R.L. de C.V.](https://appshunter.io/developer/1712196494) |

## What reviewers say

### PediaTools

[App page](https://appshunter.io/ios/app/pediatools/id1661526326)

This medical app provides pediatric calculators for blood counts, fluid requirements, and nutrition. It also includes tools for GFR, hyponatremia correction, and IV drip rates, along with various pediatric scoring systems.

**Highlights:** Pediatric blood count values, Hydrocaloric and electrolyte calculations, Total Parenteral Nutrition calculations, Glomerular filtration rate (GFR) computation, Hyponatremia correction calculator, IV drip rate calculator, Pediatric scoring systems

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

**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 PediaTools free?

PediaTools costs $3.99, with no in-app purchases.

### Is KARVI free?

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

### Do PediaTools or KARVI have ads?

Neither PediaTools nor KARVI shows ads.

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

PediaTools ships an update every 5 weeks, and KARVI every 5 months. Most recently, PediaTools was updated on September 14, 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.*