Comparison

World Atomic Week vs Гейзер

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

Мессенджер

About

World Atomic Week

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From September 25 to 28, 2025, the international forum World Atomic Week will be held in Moscow at VDNKh. The event will be attended by representatives of the leadership of countries developing nuclear programs, leading world experts, and heads of large companies.

About

Гейзер

Features

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A simple, fast, and secure app for private communication. Discuss topics in private groups, individually or with your entire team, and easily share and view files and documents. Geyser is available on any device, so you can find and access your team and your work wherever you are—at your desk or on the go. The technology of the future, today.

Screenshots

World Atomic Week3 screens

Гейзер4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

World Atomic Week ships an update every 8 months, Гейзер every 5 months. The most recent releases landed on October 6, 2026 and September 30, 2026 respectively.

ScorecardNo meaningful differences

World Atomic Week versus Гейзер: the parameters behind the verdict, then further details
Parameter	World Atomic Week	Гейзер
Price	Free	Free
Update frequency	Every 8 months	Every 5 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	14.0 — better	15.4
Further details — not scored
Size	75 MB	84 MB
Age rating	4+	4+
Developer	CampuZ OOO	Anton Zinchenko

In-app purchases

None

World Atomic Week

No in-app purchases

None

Гейзер

No in-app purchases

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 September 30, 2026.