# Plus Cycle vs Biostacks

The clearest difference is in-app purchases: Plus Cycle at none against Biostacks's 2. Biostacks's advantage is update cadence (every 2 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Biostacks sells 2 in-app purchases, starting at $3.99 per month. Plus Cycle asks for nothing beyond the download.

Plus Cycle ships an update every 3 months, Biostacks every 2 weeks. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Plus Cycle | Biostacks |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 6 MB | 68 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [株式会社日本動物高度医療センター](https://appshunter.io/developer/1198058688) | [Hmujo LLC](https://appshunter.io/developer/1895266544) |

## What reviewers say

### Plus Cycle

[App page](https://appshunter.io/ios/app/plus-cycle/id1198058689)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Plus Cycle free?

Plus Cycle is free to download, with no in-app purchases.

### Is Biostacks free?

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

### Do Plus Cycle or Biostacks have ads?

Neither Plus Cycle nor Biostacks shows ads.

### Which is updated more often, Plus Cycle or Biostacks?

Plus Cycle ships an update every 3 months, and Biostacks every 2 weeks. Most recently, Plus Cycle was updated on November 6, 2026 and Biostacks on November 5, 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.*