# Hydro Dip vs FlagNerd

The clearest difference is ads: FlagNerd at none against Hydro Dip's shown. Hydro Dip's advantage is iOS requirement (12.0 vs 16.4). On price, 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.

## The numbers

| Metric | Hydro Dip | FlagNerd |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Size | 91 MB | 62 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Maksym Kiryanov](https://appshunter.io/developer/1628335944) | [Syed Suheb Hussain](https://appshunter.io/developer/6806900741) |

## What reviewers say

### Hydro Dip

[App page](https://appshunter.io/ios/app/hydro-dip/id6450416095)

**Features:** macOS Compatibility

**In-app purchases:** none


### FlagNerd

[App page](https://appshunter.io/ios/app/flagnerd-geography-quiz/id6806923084)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hydro Dip free?

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

### Is FlagNerd free?

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

### Do Hydro Dip or FlagNerd have ads?

Hydro Dip shows ads; FlagNerd does not.

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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.*