ИОЦ "Содружество" vs World Of Elements
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ИОЦ "Содружество"
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Социальная сеть для учащихся, выпускников и всех причастных к ИОЦ «Содружество»
World Of Elements
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.
- 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
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World Of Elements turns chemistry into a game. Explore the periodic table, mix substances in a virtual laboratory and test yourself in mini games. Everything is free, with no ads and no sign-up. LABORATORY • 68 real reactions and 83 substances • Pick up to three substances and a condition: heat, spark, light, catalyst or electricity • An animated flask: flames, bubbles, precipitates, smoke and flashes • Every reaction comes with a balanced equation, what you would see, and a fun fact • Reaction products land on your shelf so you can go further • A discovery journal with three levels and hints EXPERIMENTS • Flame colors: ten elements and a “guess the metal” game • Indicators and pH: lemon juice, soap, baking soda and 13 more liquids, five indicators • Balance the equation: 42 tasks with a live atom counter PERIODIC TABLE • All 118 elements with descriptions, properties and facts • Mark what you have learned and track your progress PUZZLES AND GAMES • 46 molecule-building puzzles, from water to hemoglobin • Quizzes, memory game, sorting and matching • Daily challenges, points and achievements FOR THE WHOLE FAMILY • Several profiles with age groups • Difficulty adapts to age • Ten color themes, light and dark • English and Russian PRIVACY The app collects no data and works offline. Your progress stays on your device. The experiments in the app are a simulation. Do not repeat them at home without adults and protective equipment.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | ИОЦ "Содружество" | World Of Elements |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 6 weeks — better | Every 15 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 85 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | KHOBNOB | Viktoriia Samoilova |
In-app purchases
ИОЦ "Содружество"
No in-app purchases
World Of Elements
No in-app purchases
Questions
Is ИОЦ "Содружество" free?
Is World Of Elements free?
Do ИОЦ "Содружество" or World Of Elements have ads?
Which is updated more often, ИОЦ "Содружество" or World Of Elements?
Other comparisons
