# DUGA vs Hidjama Quantum

The clearest difference is update cadence: DUGA at every 11 days against Hidjama Quantum's every 4 months. On price, review sentiment, ads and in-app purchases there is nothing between them.

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

DUGA ships an update every 11 days, Hidjama Quantum every 4 months. The most recent releases landed on September 28, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | DUGA | Hidjama Quantum |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 4 months |
| Monetization | Free | Free |
| Size | 44 MB | 76 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [VKA LLC](https://appshunter.io/developer/1447371408) | [Magomed Lyanov](https://appshunter.io/developer/1548438644) |

## What reviewers say

### DUGA

[App page](https://appshunter.io/ios/app/duga/id6479543375)

Connects customers with repair specialists for gas, water, and sewage systems. Features an auction model to quickly find and deliver necessary parts directly to your home.

**Highlights:** Connects customers and repair specialists, Specializes in gas, water, and sewage repair, Auction model for parts procurement, Direct-to-doorstep parts delivery

**In-app purchases:** none


### Hidjama Quantum

[App page](https://appshunter.io/ios/app/hidjama-quantum/id6479644776)

Explore the quantum state of the vacuum and its effects on living organisms. This app aims to generate specialists in physics, biology, and physiology to deepen understanding of quantum phenomena and the world around us.

**Highlights:** Quantum vacuum state exploration, Interdisciplinary specialist generation, Study of vacuum effects on tissues, Understanding quantum phenomena, Simplified scientific concepts

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

**In-app purchases:** none


## Frequently asked questions

### Is DUGA free?

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

### Is Hidjama Quantum free?

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

### Do DUGA or Hidjama Quantum have ads?

Neither DUGA nor Hidjama Quantum shows ads.

### Which is updated more often, DUGA or Hidjama Quantum?

DUGA ships an update every 11 days, and Hidjama Quantum every 4 months. Most recently, DUGA was updated on September 28, 2026 and Hidjama Quantum on September 27, 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.*