# Изумрудный город. Казань vs Stella Quart

The clearest difference is update cadence: Stella Quart at every 4 days against Изумрудный город. Казань's every 10 days. Stella Quart also leads on iOS requirement (12.0 vs 15.0). 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.

Изумрудный город. Казань ships an update every 10 days, Stella Quart every 4 days. The most recent releases landed on September 22, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Изумрудный город. Казань | Stella Quart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 4 days** |
| Size | 37 MB | 31 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Marat Valeev](https://appshunter.io/developer/1447500033) | [Scott Thompson](https://appshunter.io/developer/1805132936) |

## What reviewers say

### Изумрудный город. Казань

[App page](https://appshunter.io/ios/app/id6502265060)

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

**In-app purchases:** none


### Stella Quart

[App page](https://appshunter.io/ios/app/stella-quart/id6743933259)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Изумрудный город. Казань free?

Изумрудный город. Казань is free to download, with no in-app purchases.

### Is Stella Quart free?

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

### Do Изумрудный город. Казань or Stella Quart have ads?

Neither Изумрудный город. Казань nor Stella Quart shows ads.

### Which is updated more often, Изумрудный город. Казань or Stella Quart?

Изумрудный город. Казань ships an update every 10 days, and Stella Quart every 4 days. Most recently, Изумрудный город. Казань was updated on September 22, 2026 and Stella Quart 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.*