# Lab Values Pro vs AAP Books Reader

The clearest difference is price: AAP Books Reader at Free against Lab Values Pro's $0.99. Lab Values Pro's advantage is chart position (#199 vs unranked) and iOS requirement (12.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

AAP Books Reader is free to download; Lab Values Pro costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Lab Values Pro | AAP Books Reader |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 65 months | — |
| Best chart rank | **#199** | — |
| Size | 30 MB | 98 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Nishith Sekhar Revappala](https://appshunter.io/developer/1466617406) | [American Academy of Pediatrics](https://appshunter.io/developer/409863343) |

## What reviewers say

### Lab Values Pro

[App page](https://appshunter.io/ios/app/lab-values-pro-lab-reference/id1494570009)

**Currently charting:** #199 Top Paid · Medical (US App Store)

**Features:** Vision Pro support

**In-app purchases:** none


### AAP Books Reader

[App page](https://appshunter.io/ios/app/aap-books-reader/id6773410544)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Lab Values Pro free?

Lab Values Pro costs $0.99, with no in-app purchases.

### Is AAP Books Reader free?

AAP Books Reader is free to download, with no in-app purchases.

### Do Lab Values Pro or AAP Books Reader have ads?

Neither Lab Values Pro nor AAP Books Reader shows ads.

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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.*