# Biomarker tracker & Reminder vs Iron Tracker

The clearest difference is in-app purchases: Iron Tracker at none against Biomarker tracker & Reminder's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Biomarker tracker & Reminder sells 3 in-app purchases, starting at $3.99 per 7 days. Iron Tracker asks for nothing beyond the download.

## The numbers

| Metric | Biomarker tracker & Reminder | Iron Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Size | 28 MB | 5 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Maksim Rebkavets](https://appshunter.io/developer/1829948142) | [Mikhail Ilin](https://appshunter.io/developer/1532876528) |

## What reviewers say

### Biomarker tracker & Reminder

[App page](https://appshunter.io/ios/app/biomarker-tracker-and-reminder/id6759002265)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $3.99 | per 7 days |
| Monthly Access | $5.99 | per month |
| Yearly Access | $19.99 | per year |


### Iron Tracker

[App page](https://appshunter.io/ios/app/iron-tracker/id6784863840)

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

**In-app purchases:** none


## Frequently asked questions

### Is Biomarker tracker & Reminder free?

Biomarker tracker & Reminder is free to download, with in-app purchases available.

### Is Iron Tracker free?

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

### Do Biomarker tracker & Reminder or Iron Tracker have ads?

Neither Biomarker tracker & Reminder nor Iron Tracker 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.*