# ИОЦ "Содружество" vs World Of Elements

The clearest difference is update cadence: ИОЦ "Содружество" at every 6 weeks against World Of Elements's every 15 months. ИОЦ "Содружество" also leads on iOS requirement (13.0 vs 17.0). 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.

ИОЦ "Содружество" ships an update every 6 weeks, World Of Elements every 15 months. The most recent releases landed on October 18, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | ИОЦ "Содружество" | World Of Elements |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/world-of-elements/id6747661364/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 15 months |
| Monetization | — | Free |
| Size | 85 MB | 18 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KHOBNOB](https://appshunter.io/developer/1282184491) | [Viktoriia Samoilova](https://appshunter.io/developer/1815041475) |

## What reviewers say

### ИОЦ "Содружество"

[App page](https://appshunter.io/ios/app/id6474267279)

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

**In-app purchases:** none


### World Of Elements

[App page](https://appshunter.io/ios/app/world-of-elements/id6747661364)

Explore the periodic table and conduct virtual chemistry experiments. Mix substances, solve puzzles, and test your knowledge with mini-games. This free app offers a fun and educational way to learn about elements and reactions for all ages.

**Highlights:** Virtual laboratory with 68 reactions, Interactive periodic table with 118 elements, Molecule-building puzzles, Flame color and pH experiments, Equation balancing tasks, Progress tracking and achievements, Multi-profile support for different ages

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

**In-app purchases:** none


## Frequently asked questions

### Is ИОЦ "Содружество" free?

ИОЦ "Содружество" is free to download, with no in-app purchases.

### Is World Of Elements free?

World Of Elements is free to download, with no in-app purchases.

### Do ИОЦ "Содружество" or World Of Elements have ads?

Neither ИОЦ "Содружество" nor World Of Elements shows ads.

### Which is updated more often, ИОЦ "Содружество" or World Of Elements?

ИОЦ "Содружество" ships an update every 6 weeks, and World Of Elements every 15 months. Most recently, ИОЦ "Содружество" was updated on October 18, 2026 and World Of Elements on October 9, 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.*