# Hydrated Pass vs Chiru.

The clearest difference is in-app purchases: Chiru. at none against Hydrated Pass's 1. Chiru. also leads on update cadence (every 3 days vs every 10 days). Hydrated Pass's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 18.0). On price and ads there is nothing between them.

Both are free to download. Hydrated Pass sells 1 in-app purchase, starting at $19.99 per month. Chiru. asks for nothing beyond the download.

Hydrated Pass ships an update every 10 days, Chiru. every 3 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Hydrated Pass | Chiru. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Size | 51 MB | 14 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Hydrated Company](https://appshunter.io/developer/1772018483) | [Joy Lin](https://appshunter.io/developer/1884127827) |

## What reviewers say

### Hydrated Pass

[App page](https://appshunter.io/ios/app/hydrated-pass-merchant/id6736438846)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HPM premium | $19.99 | per month |


### Chiru.

[App page](https://appshunter.io/ios/app/chiru/id6760366769)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hydrated Pass free?

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

### Is Chiru. free?

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

### Do Hydrated Pass or Chiru. have ads?

Neither Hydrated Pass nor Chiru. shows ads.

### Which is updated more often, Hydrated Pass or Chiru.?

Hydrated Pass ships an update every 10 days, and Chiru. every 3 days. Most recently, Hydrated Pass was updated on October 27, 2026 and Chiru. on October 25, 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.*