# Biostacks vs Rekko

The clearest difference is update cadence: Rekko at daily against Biostacks's every 10 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Biostacks sells 2 in-app purchases, starting at $3.99 per month and Rekko sells 2 in-app purchases, starting at $11.99 per month. Whichever you choose, the download price is not the number that matters.

Biostacks ships an update every 10 days, Rekko daily. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Biostacks | Rekko |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/biostacks-supplement-tracker/id6763328808/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Daily** |
| Monetization | Freemium | — |
| Size | 63 MB | 79 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Hmujo LLC](https://appshunter.io/developer/1895266544) | [Rekko LLC](https://appshunter.io/developer/6794868457) |

## What reviewers say

### Biostacks

[App page](https://appshunter.io/ios/app/biostacks-supplement-tracker/id6763328808)

Easily manage your supplement intake with barcode scanning, AI assistance, and detailed insights. Track routines, monitor nutrient coverage, and analyze your stack's effectiveness and cost. Prioritizes user privacy with offline functionality and optional iCloud sync.

**Highlights:** Barcode scanning for supplement library, AI-powered supplement routine analysis, Customizable daily and cycle schedules, StackScore for routine quality, Potential interaction warnings, RDA coverage and nutrient overlap analysis, Mood, energy, and sleep trend tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Biostacks Pro - Monthly | $3.99 | per month |
| Biostacks Pro - Annual | $24.99 | per year |


### Rekko

[App page](https://appshunter.io/ios/app/rekko-macro-tracker/id6794868455)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $11.99 | per month |
| Annual | $71.99 | per year |


## Frequently asked questions

### Is Biostacks free?

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

### Is Rekko free?

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

### Do Biostacks or Rekko have ads?

Neither Biostacks nor Rekko shows ads.

### Which is updated more often, Biostacks or Rekko?

Biostacks ships an update every 10 days, and Rekko daily. Most recently, Biostacks was updated on October 6, 2026 and Rekko on October 2, 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.*