# SOS vs Water Eject & Clear Wave

The clearest difference is in-app purchases: SOS at none against Water Eject & Clear Wave's 2. SOS also leads on iOS requirement (17.0 vs 26.0). Water Eject & Clear Wave's advantage is update cadence (every 5 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Water Eject & Clear Wave sells 2 in-app purchases, starting at $7.99 per 7 days. SOS asks for nothing beyond the download.

SOS ships an update every 3 weeks, Water Eject & Clear Wave every 5 days. The most recent releases landed on September 21, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | SOS | Water Eject & Clear Wave |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Size | 6 MB | 16 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Orlando Costa](https://appshunter.io/developer/6780307902) | [Manthan Prajapati](https://appshunter.io/developer/1851010143) |

## What reviewers say

### SOS

[App page](https://appshunter.io/ios/app/sos-global/id6780307900)

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

**In-app purchases:** none


### Water Eject & Clear Wave

[App page](https://appshunter.io/ios/app/water-eject-and-clear-wave/id6801179753)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $7.99 | per 7 days |
| Pro Lifetime | $34.99 | one-time |


## Frequently asked questions

### Is SOS free?

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

### Is Water Eject & Clear Wave free?

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

### Do SOS or Water Eject & Clear Wave have ads?

Neither SOS nor Water Eject & Clear Wave shows ads.

### Which is updated more often, SOS or Water Eject & Clear Wave?

SOS ships an update every 3 weeks, and Water Eject & Clear Wave every 5 days. Most recently, SOS was updated on September 21, 2026 and Water Eject & Clear Wave on September 20, 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.*