# GWL vs WaveDepth

The clearest difference is update cadence: WaveDepth at monthly against GWL's every 14 months. GWL's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

GWL ships an update every 14 months, WaveDepth monthly. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | GWL | WaveDepth |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Monthly** |
| Size | 10 MB | 24 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Smart Sensor Devices AB](https://appshunter.io/developer/1518532284) | [Jin Hwa Lee](https://appshunter.io/developer/1896743428) |

## What reviewers say

### GWL

[App page](https://appshunter.io/ios/app/gwl/id6499316921)

**Features:** macOS Compatibility

**In-app purchases:** none


### WaveDepth

[App page](https://appshunter.io/ios/app/wavedepth-water-depth/id6772790376)

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

**In-app purchases:** none


## Frequently asked questions

### Is GWL free?

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

### Is WaveDepth free?

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

### Do GWL or WaveDepth have ads?

Neither GWL nor WaveDepth shows ads.

### Which is updated more often, GWL or WaveDepth?

GWL ships an update every 14 months, and WaveDepth monthly. Most recently, GWL was updated on October 3, 2026 and WaveDepth on October 13, 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.*