# illi vs Aquastealth

The clearest difference is update cadence: illi at every 6 months against Aquastealth's every 28 months. 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.

illi ships an update every 6 months, Aquastealth every 28 months. The most recent releases landed on October 25, 2026 and June 22, 2026 respectively.

## The numbers

| Metric | illi | Aquastealth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aquastealth/id1553655169/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 28 months |
| Monetization | — | Free |
| Size | 44 MB | 1 MB |
| Requires iOS | 16.4 | **16.2** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [illi Engineering B.V.](https://appshunter.io/developer/1427567277) | [Dmitriy Klimenko](https://appshunter.io/developer/1553655171) |

## What reviewers say

### illi

[App page](https://appshunter.io/ios/app/illi-tv/id1534869420)

**Features:** macOS Compatibility

**In-app purchases:** none


### Aquastealth

[App page](https://appshunter.io/ios/app/aquastealth/id1553655169)

This app generates molecular hydrogen for your overall well-being, offering comfortable control over all settings. It supports 108 languages and allows you to set desired hydrogen/oxygen output levels.

**Highlights:** Molecular hydrogen generation, Customizable output levels, Comfortable control interface, Multilingual support (108 languages), Wellness focus

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is illi free?

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

### Is Aquastealth free?

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

### Do illi or Aquastealth have ads?

Neither illi nor Aquastealth shows ads.

### Which is updated more often, illi or Aquastealth?

illi ships an update every 6 months, and Aquastealth every 28 months. Most recently, illi was updated on October 25, 2026 and Aquastealth on June 22, 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.*