# PTH Calculator vs Concise Pediatrics

The clearest difference is in-app purchases: PTH Calculator at none against Concise Pediatrics's 4. PTH Calculator also leads on device support (4 vs 2) and iOS requirement (11.0 vs 16.0). On price and ads there is nothing between them.

Both are free to download. Concise Pediatrics sells 4 in-app purchases, starting at $2.99 per month. PTH Calculator asks for nothing beyond the download.

## The numbers

| Metric | PTH Calculator | Concise Pediatrics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 37 months | — |
| Size | 25 MB | 48 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [AVANTO CREATIVE APPS S.L.](https://appshunter.io/developer/1080379340) | [RER MedApps](https://appshunter.io/developer/1720150558) |

## What reviewers say

### PTH Calculator

[App page](https://appshunter.io/ios/app/pth-calculator/id1137356636)

**In-app purchases:** none


### Concise Pediatrics

[App page](https://appshunter.io/ios/app/concise-pediatrics/id6738857086)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $24.99 | per year |
| Lifetime Access - 50% Off | $24.99 | one-time |
| Lifetime Access | $49.99 | one-time |


## Frequently asked questions

### Is PTH Calculator free?

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

### Is Concise Pediatrics free?

Concise Pediatrics is free to download, with in-app purchases available.

### Do PTH Calculator or Concise Pediatrics have ads?

Neither PTH Calculator nor Concise Pediatrics shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*