# Эрзи vs Cham

The clearest difference is update cadence: Cham at every 11 days against Эрзи's monthly. 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.

Эрзи ships an update monthly, Cham every 11 days. The most recent releases landed on October 21, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Эрзи | Cham |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 92.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 11 days** |
| Monetization | Free | — |
| Size | 81 MB | 24 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Airat Ramazanov](https://appshunter.io/developer/1438449593) | [Iusup Bogatyrev](https://appshunter.io/developer/1772565167) |

## What reviewers say

### Эрзи

[App page](https://appshunter.io/ios/app/id1565466037)

Order natural drinking water sourced from Ingushetia's glaciers directly through the app. Enjoy fast, 24/7 ordering, repeat purchases with a single tap, and exclusive cashback offers and promotions. Get convenient delivery to your home or office.

**Highlights:** Natural drinking water delivery, 24/7 ordering without calls, Repeat orders with one tap, Cashback and promotions, Order history and offers

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

**In-app purchases:** none


### Cham

[App page](https://appshunter.io/ios/app/cham/id6473215711)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Эрзи free?

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

### Is Cham free?

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

### Do Эрзи or Cham have ads?

Neither Эрзи nor Cham shows ads.

### Which is updated more often, Эрзи or Cham?

Эрзи ships an update monthly, and Cham every 11 days. Most recently, Эрзи was updated on October 21, 2026 and Cham on September 30, 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.*