# Kayru vs Oasis Water

The clearest difference is iOS requirement: Kayru at 13.0 against Oasis Water'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.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Kayru | Oasis Water |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Size | 172 MB | 53 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shilpa Goyal](https://appshunter.io/developer/1369900765) | [Calvin Collett](https://appshunter.io/developer/1752837320) |

## What reviewers say

### Kayru

[App page](https://appshunter.io/ios/app/kayru/id6743536670)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Oasis Water

[App page](https://appshunter.io/ios/app/oasis-water/id6744886174)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kayru free?

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

### Is Oasis Water free?

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

### Do Kayru or Oasis Water have ads?

Neither Kayru nor Oasis Water shows ads.

### Which is updated more often, Kayru or Oasis Water?

Kayru ships an update fortnightly, and Oasis Water fortnightly. Most recently, Kayru was updated on October 24, 2026 and Oasis Water 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.*