# X Core vs Blood Test Tracker

The clearest difference is iOS requirement: X Core at 12.0 against Blood Test Tracker's 17.0. On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | X Core | Blood Test Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 2 months |
| Size | 197 MB | 3 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 4+ |
| Developer | [FitPhilia](https://appshunter.io/developer/1178311498) | [LEAN ASIA CO., LTD](https://appshunter.io/developer/1815050814) |

## What reviewers say

### X Core

[App page](https://appshunter.io/ios/app/x-core/id1619314603)

**In-app purchases:** none


### Blood Test Tracker

[App page](https://appshunter.io/ios/app/blood-test-tracker-lab-log/id6772258766)

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

**In-app purchases:** none


## Frequently asked questions

### Is X Core free?

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

### Is Blood Test Tracker free?

Blood Test Tracker is free to download, with no in-app purchases.

---

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