# Lab Values Pro vs X

The clearest difference is price: Lab Values Pro at $0.99 against X's $2.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Lab Values Pro costs $0.99 and X $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Lab Values Pro | X |
| --- | --- | --- |
| Price | **$0.99** | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 65 months | — |
| Size | 30 MB | 121 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Nishith Sekhar Revappala](https://appshunter.io/developer/1466617406) | [Abdulkarim Nasir](https://appshunter.io/developer/1463436050) |

## What reviewers say

### Lab Values Pro

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

**Features:** Vision Pro support

**In-app purchases:** none


### X

[App page](https://appshunter.io/ios/app/x-ray-interpretation-guide/id6624306622)

**Features:** macOS Compatibility, 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 X free?

X costs $2.99, with no in-app purchases.

### Do Lab Values Pro or X have ads?

Neither Lab Values Pro nor X 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.*