# HIE Calculator vs PediaTools

The clearest difference is price: HIE Calculator at Free against PediaTools's $3.99. HIE Calculator also leads on iOS requirement (13.0 vs 15.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

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

HIE Calculator ships an update monthly, PediaTools every 5 weeks. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | HIE Calculator | PediaTools |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| 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 | **Monthly** | Every 5 weeks |
| Monetization | — | Paid |
| Size | 2 MB | 134 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [khorshid mohammad](https://appshunter.io/developer/1532738698) | [Gerson Rodriguez](https://appshunter.io/developer/1587778389) |

## What reviewers say

### HIE Calculator

[App page](https://appshunter.io/ios/app/hie-calculator/id1275901770)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is HIE Calculator free?

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

### Is PediaTools free?

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

### Do HIE Calculator or PediaTools have ads?

Neither HIE Calculator nor PediaTools shows ads.

### Which is updated more often, HIE Calculator or PediaTools?

HIE Calculator ships an update monthly, and PediaTools every 5 weeks. Most recently, HIE Calculator was updated on October 16, 2026 and PediaTools on October 24, 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.*