# Co vs Water Eject

The clearest difference is in-app purchases: Co at none against Water Eject's 1. Co also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Water Eject sells 1 in-app purchase, starting at $2.49 per month. Co asks for nothing beyond the download.

Co ships an update every 4 days, Water Eject weekly. The most recent releases landed on September 8, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Co | Water Eject |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/water-eject-dry-speaker/id6778054276/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | — | Freemium |
| Size | 1 MB | 6 MB |
| Requires iOS | 18 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Venture 2 RDC Limited](https://appshunter.io/developer/1792847039) | [Hermes Inteligencia Digital Ltda](https://appshunter.io/developer/1896694873) |

## What reviewers say

### Co

[App page](https://appshunter.io/ios/app/co-pilot/id6745144826)

**Features:** macOS Compatibility

**In-app purchases:** none


### Water Eject

[App page](https://appshunter.io/ios/app/water-eject-dry-speaker/id6778054276)

This utility app uses sound frequencies to safely expel water from your phone's speaker, charging port, and microphone. It offers a fast and safe alternative to traditional drying methods like rice or air, with features like audio visualization and session tracking.

**Highlights:** Sound frequency generation, Water expulsion from speaker, port, microphone, Audio-reactive visualization, Auto-repeat cycles, Speaker function test, Session tracking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Water Eject Pro | $2.49 | per month |


## Frequently asked questions

### Is Co free?

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

### Is Water Eject free?

Water Eject is free to download, with in-app purchases available.

### Do Co or Water Eject have ads?

Water Eject shows ads; Co does not.

### Which is updated more often, Co or Water Eject?

Co ships an update every 4 days, and Water Eject weekly. Most recently, Co was updated on September 8, 2026 and Water Eject on September 18, 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.*