# Stealth Supplements vs Kalyagen

The clearest difference is update cadence: Kalyagen at every 2 weeks against Stealth Supplements's every 16 months. Kalyagen also leads on iOS requirement (11.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Stealth Supplements ships an update every 16 months, Kalyagen every 2 weeks. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Stealth Supplements | Kalyagen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 2 weeks** |
| Size | 26 MB | 54 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Gustav Wentzel](https://appshunter.io/developer/1573550447) | [I-tea Technology](https://appshunter.io/developer/942367509) |

## What reviewers say

### Stealth Supplements

[App page](https://appshunter.io/ios/app/stealth-supplements/id1573550445)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kalyagen

[App page](https://appshunter.io/ios/app/kalyagen/id1582393635)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stealth Supplements free?

Stealth Supplements is free to download, with no in-app purchases.

### Is Kalyagen free?

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

### Do Stealth Supplements or Kalyagen have ads?

Neither Stealth Supplements nor Kalyagen shows ads.

### Which is updated more often, Stealth Supplements or Kalyagen?

Stealth Supplements ships an update every 16 months, and Kalyagen every 2 weeks. Most recently, Stealth Supplements was updated on October 11, 2026 and Kalyagen on October 14, 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.*