# World Atomic Week vs Гейзер

World Atomic Week and Гейзер are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

World Atomic Week ships an update every 8 months, Гейзер every 5 months. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | World Atomic Week | Гейзер |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 months** |
| Size | 75 MB | 84 MB |
| Requires iOS | **14.0** | 15.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CampuZ OOO](https://appshunter.io/developer/1358580331) | [Anton Zinchenko](https://appshunter.io/developer/1817635828) |

## What reviewers say

### World Atomic Week

[App page](https://appshunter.io/ios/app/world-atomic-week/id6444339662)

**In-app purchases:** none


### Гейзер

[App page](https://appshunter.io/ios/app/id6746646151)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is World Atomic Week free?

World Atomic Week is free to download, with no in-app purchases.

### Is Гейзер free?

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

### Do World Atomic Week or Гейзер have ads?

Neither World Atomic Week nor Гейзер shows ads.

### Which is updated more often, World Atomic Week or Гейзер?

World Atomic Week ships an update every 8 months, and Гейзер every 5 months. Most recently, World Atomic Week was updated on October 6, 2026 and Гейзер on October 16, 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.*