# Absorb vs Iron & Ferritin Tracker

Absorb and Iron & Ferritin Tracker are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Absorb sells 2 in-app purchases, starting at $9.99 per month and Iron & Ferritin Tracker sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Absorb ships an update every 5 weeks, Iron & Ferritin Tracker every 3 weeks. The most recent releases landed on October 13, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Absorb | Iron & Ferritin Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/absorb-supplement-stack/id6759998379/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 12 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Souhayb Kamal Dine](https://appshunter.io/developer/1871701232) | [YUSUF OCAL](https://appshunter.io/developer/6788141769) |

## What reviewers say

### Absorb

[App page](https://appshunter.io/ios/app/absorb-supplement-stack/id6759998379)

Log your daily supplements, identify potential conflicts, and discover synergistic combinations for better absorption. Optimize your vitamin and mineral intake with research-backed guidance and personalized insights.

**Highlights:** Daily supplement logging, Conflict warnings, Synergy insights, Absorption tips, Smart reminders, Supplement library

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Absorb Pro - Monthly | $9.99 | per month |
| Absorb pro Lifetime | $19.99 | one-time |


### Iron & Ferritin Tracker

[App page](https://appshunter.io/ios/app/iron-and-ferritin-tracker/id6802205335)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ironyield Pro Weekly | $4.99 | per 7 days |
| Ironyield Pro Yearly | $14.99 | per year |
| Ironyield Pro Lifetime | $13.99 | one-time |


## Frequently asked questions

### Is Absorb free?

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

### Is Iron & Ferritin Tracker free?

Iron & Ferritin Tracker is free to download, with in-app purchases available.

### Do Absorb or Iron & Ferritin Tracker have ads?

Neither Absorb nor Iron & Ferritin Tracker shows ads.

### Which is updated more often, Absorb or Iron & Ferritin Tracker?

Absorb ships an update every 5 weeks, and Iron & Ferritin Tracker every 3 weeks. Most recently, Absorb was updated on October 13, 2026 and Iron & Ferritin Tracker on September 29, 2026.

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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.*