# Hydrozagadka vs DroneWise

The clearest difference is in-app purchases: Hydrozagadka at none against DroneWise's 2. Hydrozagadka also leads on device support (3 vs 1) and iOS requirement (15.6 vs 26.2). DroneWise's advantage is update cadence (fortnightly vs every 4 months). On price and ads there is nothing between them.

Both are free to download. DroneWise sells 2 in-app purchases, starting at $0.99 per month. Hydrozagadka asks for nothing beyond the download.

Hydrozagadka ships an update every 4 months, DroneWise fortnightly. The most recent releases landed on September 29, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Hydrozagadka | DroneWise |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Size | 3 MB | 35 MB |
| Requires iOS | **15.6** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [LC Systems Sp. z o.o.](https://appshunter.io/developer/1030347995) | [Marcin Tymkow](https://appshunter.io/developer/1887911289) |

## What reviewers say

### Hydrozagadka

[App page](https://appshunter.io/ios/app/hydrozagadka/id1551237889)

**Features:** Vision Pro support

**In-app purchases:** none


### DroneWise

[App page](https://appshunter.io/ios/app/dronewise/id6770115014)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DroneWise Pro Monthly | $0.99 | per month |
| DroneWise Pro Yearly | $9.99 | per year |


## Frequently asked questions

### Is Hydrozagadka free?

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

### Is DroneWise free?

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

### Do Hydrozagadka or DroneWise have ads?

Neither Hydrozagadka nor DroneWise shows ads.

### Which is updated more often, Hydrozagadka or DroneWise?

Hydrozagadka ships an update every 4 months, and DroneWise fortnightly. Most recently, Hydrozagadka was updated on September 29, 2026 and DroneWise on October 7, 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.*