# Stackd vs Biohack

The clearest difference is iOS requirement: Biohack at 17.0 against Stackd's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Stackd sells 2 in-app purchases, starting at $3.99 per month and Biohack sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Stackd | Biohack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/biohack-longevity-food-coach/id6762187667/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 13 MB | 175 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Joan Cardona](https://appshunter.io/developer/1440419863) | [Buettnerlabs LLC](https://appshunter.io/developer/1893282488) |

## What reviewers say

### Stackd

[App page](https://appshunter.io/ios/app/stackd-supplement-tracker/id6758957017)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro monthly | $3.99 | per month |
| Pro Yearly | $19.99 | per year |


### Biohack

[App page](https://appshunter.io/ios/app/biohack-longevity-food-coach/id6762187667)

This app analyzes your meals to provide a longevity score based on aging research. It also tracks intermittent fasting, offers personalized nutrient targets, and recommends supplements to optimize your diet for a longer, healthier life.

**Highlights:** AI-powered meal analysis, Longevity meal scoring, Intermittent fasting tracker, Personalized nutrient targets, Supplement recommendations, Longevity insights and trends

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $29.99 | per year |


## Frequently asked questions

### Is Stackd free?

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

### Is Biohack free?

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

### Do Stackd or Biohack have ads?

Neither Stackd nor Biohack 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.*