# Introvert vs Синхронизация

The clearest difference is rating: Introvert at 4.7 against Синхронизация's 4.3. Introvert also leads on ratings volume (866 vs 6). Синхронизация's advantage is review sentiment (65% vs 46%). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Introvert sells 10 in-app purchases, starting at $6.99 per month and Синхронизация sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Introvert holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: Introvert has 866 ratings behind it against 6, so its average is the more settled of the two. Written reviews complicate that: 46% of Introvert's written reviews are positive against 65% of Синхронизация's, so the app with the better star average is not the one people write more warmly about.

Introvert ships an update every 2 weeks, Синхронизация fortnightly. Both last shipped on October 18, 2026.

## The numbers

| Metric | Introvert | Синхронизация |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (866 ratings)](https://appshunter.io/ios/app/introvert-self-development/id1561586203/reviews)** | [4.3 (6 ratings)](https://appshunter.io/ios/app/id6743057260/reviews) |
| Number of ratings | **866** | 6 |
| Positive reviews | 46.3% of reviews | **64.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 483 MB | 32 MB |
| Requires iOS | 17.0 | 17 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [ArtIntrovert LLC](https://appshunter.io/developer/1727512095) | [Синхронизация](https://appshunter.io/developer/1811455022) |

## 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


### Синхронизация

[App page](https://appshunter.io/ios/app/id6743057260)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The whole History of Europe | $34.99 | one-time |
| Literature Club | $49.99 | one-time |
| The whole History of Europe | $59.99 | one-time |
| Литературный клуб | $69.99 | one-time |
| 12-month course access | $149.99 | one-time |
| History of Cinema | $149.99 | one-time |
| Lifetime Library Access | $349.99 | one-time |


## Frequently asked questions

### Is Introvert free?

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

### Is Синхронизация free?

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

### Which has better reviews, Introvert or Синхронизация?

Introvert is rated higher. Introvert averages 4.7 out of 5 from 866 ratings, while Синхронизация averages 4.3 from 6 ratings.

### Do Introvert or Синхронизация have ads?

Neither Introvert nor Синхронизация shows ads.

### Which is updated more often, Introvert or Синхронизация?

Introvert ships an update every 2 weeks, and Синхронизация fortnightly. Most recently, Introvert was updated on October 18, 2026 and Синхронизация on October 18, 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.*