# Introvert vs World Of Elements

The clearest difference is in-app purchases: World Of Elements at none against Introvert's 10. World Of Elements also leads on rating (5.0 vs 4.7). Introvert's advantage is update cadence (every 2 weeks vs every 15 months) and ratings volume (866 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Introvert sells 10 in-app purchases, starting at $6.99 per month. World Of Elements asks for nothing beyond the download.

World Of Elements holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Introvert has 866 ratings behind it against 1, so its average is the more settled of the two.

Introvert ships an update every 2 weeks, World Of Elements every 15 months. The most recent releases landed on October 18, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Introvert | World Of Elements |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (866 ratings)](https://appshunter.io/ios/app/introvert-self-development/id1561586203/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/world-of-elements/id6747661364/reviews)** |
| Number of ratings | **866** | 1 |
| Positive reviews | 46.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 15 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 483 MB | 18 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ArtIntrovert LLC](https://appshunter.io/developer/1727512095) | [Viktoriia Samoilova](https://appshunter.io/developer/1815041475) |

## What reviewers say

### Introvert

[App page](https://appshunter.io/ios/app/introvert-self-development/id1561586203)

Access concise, 20-minute lectures summarizing books and studies on diverse topics. Earn certificates and track progress with background playback and offline downloads. Join a global community focused on self-growth.

**Highlights:** 20-minute lectures, Summaries of books and studies, 13+ topics covered, Certificates and progress tracking, Offline downloads, Background playback

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Тариф 1 месяц | $6.99 | per month |
| Monthly rate | $6.99 | per month |
| 1 month subscription | $6.99 | per month |
| 1 year subscription | $49.99 | per year |
| Лекция | $0.99 | one-time |
| Лекция | $4.99 | one-time |
| Видеолекция | $9.99 | one-time |
| Профильный курс | $42.99 | one-time |
| Профильный курс | $49.99 | one-time |
| Профильный курс | $54.99 | one-time |

**What reviewers like**

- 🚀 Interesting and informative lectures
- 👍 Convenient and intuitive interface
- 💡 Gamification elements like rating and rewards
- 🤖 Helpful AI assistant
- 🌐 Diverse range of topics covered

**What reviewers complain about**

- 🐛 Frequent bugs and glitches
- 🔌 Issues with offline mode and downloads
- 💸 Unclear subscription management and cancellation
- 🔍 Lack of search and filtering options
- 🔊 Poor audio/video synchronization

**Reported bugs**

- White screen issues
- Login and registration problems
- Inconsistent progress tracking
- Subscription billing errors
- Compatibility issues on older devices

**Requested features**

- Option to adjust text size
- Improved offline capabilities
- Seamless integration between app and website
- More personalization options
- Subtitles and transcripts for lectures


### 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 Introvert free?

Introvert is free to download, with in-app purchases available.

### Is World Of Elements free?

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

### Which has better reviews, Introvert or World Of Elements?

World Of Elements is rated higher. Introvert averages 4.7 out of 5 from 866 ratings, while World Of Elements averages 5.0 from 1 ratings.

### Do Introvert or World Of Elements have ads?

Neither Introvert nor World Of Elements shows ads.

### Which is updated more often, Introvert or World Of Elements?

Introvert ships an update every 2 weeks, and World Of Elements every 15 months. Most recently, Introvert 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.*