# gtone vs eWater.mn

The clearest difference is update cadence: eWater.mn at fortnightly against gtone's every 6 weeks. gtone's advantage is iOS requirement (12.0 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.

gtone ships an update every 6 weeks, eWater.mn fortnightly. The most recent releases landed on September 14, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | gtone | eWater.mn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Size | 31 MB | 28 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [G-Mobile LLC](https://appshunter.io/developer/633919772) | [Astvision LLC](https://appshunter.io/developer/859727778) |

## What reviewers say

### gtone

[App page](https://appshunter.io/ios/app/gtone/id1156696772)

**Features:** macOS Compatibility

**In-app purchases:** none


### eWater.mn

[App page](https://appshunter.io/ios/app/ewatermn/id6738036291)

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

**In-app purchases:** none


## Frequently asked questions

### Is gtone free?

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

### Is eWater.mn free?

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

### Do gtone or eWater.mn have ads?

Neither gtone nor eWater.mn shows ads.

### Which is updated more often, gtone or eWater.mn?

gtone ships an update every 6 weeks, and eWater.mn fortnightly. Most recently, gtone was updated on September 14, 2026 and eWater.mn on September 9, 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.*