# HydroTimer vs 渴不渴

The clearest difference is iOS requirement: 渴不渴 at 12.0 against HydroTimer's 15.0. 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.

## The numbers

| Metric | HydroTimer | 渴不渴 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | — |
| Size | 2 MB | 36 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Aurelis Limited](https://appshunter.io/developer/1821243565) | [洛阳学乎信息科技有限公司](https://appshunter.io/developer/1495828618) |

## What reviewers say

### HydroTimer

[App page](https://appshunter.io/ios/app/hydrotimer/id6748376181)

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

**In-app purchases:** none


### 渴不渴

[App page](https://appshunter.io/ios/app/id6759540048)

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

**In-app purchases:** none


## Frequently asked questions

### Is HydroTimer free?

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

### Is 渴不渴 free?

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

### Do HydroTimer or 渴不渴 have ads?

Neither HydroTimer nor 渴不渴 shows ads.

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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.*