# Hydropolis vs Masters&Robots

The clearest difference is iOS requirement: Hydropolis at 12.0 against Masters&Robots's 16.4. On price, update cadence, 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.

Hydropolis ships an update every 10 months, Masters&Robots every 12 months. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Hydropolis | Masters&Robots |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 12 months |
| Monetization | Free | — |
| Size | 118 MB | 74 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [miejskie przedsiebiorstwo wodociagow i kanalizacji s.a](https://appshunter.io/developer/1444870860) | [Gridaly](https://appshunter.io/developer/1643733341) |

## What reviewers say

### Hydropolis

[App page](https://appshunter.io/ios/app/hydropolis/id1444870861)

Explore a water knowledge center through an audio guide. This app offers interactive exhibits and multimedia content to expand your understanding of water in an engaging and fun way.

**Highlights:** Audio guide functionality, Interactive installations, Multimedia content, Educational information, Engaging user experience

**Features:** macOS Compatibility

**In-app purchases:** none


### Masters&Robots

[App page](https://appshunter.io/ios/app/masters-and-robots/id6736857614)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hydropolis free?

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

### Is Masters&Robots free?

Masters&Robots is free to download, with no in-app purchases.

### Do Hydropolis or Masters&Robots have ads?

Neither Hydropolis nor Masters&Robots shows ads.

### Which is updated more often, Hydropolis or Masters&Robots?

Hydropolis ships an update every 10 months, and Masters&Robots every 12 months. Most recently, Hydropolis was updated on October 21, 2026 and Masters&Robots on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*