# C.SIGN vs Water Eject

The clearest difference is iOS requirement: C.SIGN at 13.0 against Water Eject's 16.0. 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.

C.SIGN ships an update every 2 weeks, Water Eject every 3 weeks. The most recent releases landed on October 11, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | C.SIGN | Water Eject |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 162 MB | 68 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CMC Technology and Solution Company Limited](https://appshunter.io/developer/1498575851) | [Ngoc Thanh Pham](https://appshunter.io/developer/907794619) |

## What reviewers say

### C.SIGN

[App page](https://appshunter.io/ios/app/csign/id6443462181)

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

**In-app purchases:** none


### Water Eject

[App page](https://appshunter.io/ios/app/water-eject-dust-cleaner/id6753137570)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is C.SIGN free?

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

### Is Water Eject free?

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

### Do C.SIGN or Water Eject have ads?

Neither C.SIGN nor Water Eject shows ads.

### Which is updated more often, C.SIGN or Water Eject?

C.SIGN ships an update every 2 weeks, and Water Eject every 3 weeks. Most recently, C.SIGN was updated on October 11, 2026 and Water Eject on October 1, 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.*