# Oasis vs Sip

The clearest difference is ads: Oasis at none against Sip's shown. On price, in-app purchases, device support and iOS requirement 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 | Oasis | Sip |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 months |
| Size | 43 MB | 28 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Andrei Pitunou](https://appshunter.io/developer/1825402878) | [akira kawata](https://appshunter.io/developer/1871950443) |

## What reviewers say

### Oasis

[App page](https://appshunter.io/ios/app/oasis-hydration-tracker/id6758655816)

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

**In-app purchases:** none


### Sip

[App page](https://appshunter.io/ios/app/sip-smart-hydration-tracker/id6758857834)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Oasis free?

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

### Is Sip free?

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

### Do Oasis or Sip have ads?

Sip shows ads; Oasis 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.*