# eWater.mn ETO vs Egune Chat

The clearest difference is in-app purchases: eWater.mn ETO at none against Egune Chat's 1. eWater.mn ETO also leads on update cadence (every 3 days vs every 8 days). Egune Chat's advantage is iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Egune Chat sells 1 in-app purchase, starting at $4.99 per month. eWater.mn ETO asks for nothing beyond the download.

eWater.mn ETO ships an update every 3 days, Egune Chat every 8 days. The most recent releases landed on October 7, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | eWater.mn ETO | Egune Chat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (21 ratings)](https://appshunter.io/ios/app/egune-chat/id6740602731/reviews)** |
| Number of ratings | — | **21** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 8 days |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 93 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Astvision LLC](https://appshunter.io/developer/859727778) | [Chimege systems](https://appshunter.io/developer/1704964903) |

## What reviewers say

### eWater.mn ETO

[App page](https://appshunter.io/ios/app/ewatermn-eto/id6738903812)

**Features:** macOS Compatibility

**In-app purchases:** none


### Egune Chat

[App page](https://appshunter.io/ios/app/egune-chat/id6740602731)

An AI assistant designed for Mongolia, offering native language understanding, local information, and smart tools. It provides voice and text interactions, focusing on cultural context and data sovereignty.

**Highlights:** Native Mongolian language support, Voice-first interaction with high accuracy, Real-time local services (bus routes, weather, currency), Smart tools (document analysis, image recognition), Data sovereignty within Mongolia, Hands-free conversation mode

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Egune Chat Plus | $4.99 | per month |


## Frequently asked questions

### Is eWater.mn ETO free?

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

### Is Egune Chat free?

Egune Chat is free to download, with in-app purchases available.

### Do eWater.mn ETO or Egune Chat have ads?

Neither eWater.mn ETO nor Egune Chat shows ads.

### Which is updated more often, eWater.mn ETO or Egune Chat?

eWater.mn ETO ships an update every 3 days, and Egune Chat every 8 days. Most recently, eWater.mn ETO was updated on October 7, 2026 and Egune Chat on October 26, 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.*