# Сон и медитация c «Серотонин» vs Kensho

The clearest difference is monetization model: Сон и медитация c «Серотонин» at freemium against Kensho's subscription. Сон и медитация c «Серотонин» also leads on ratings volume (98 vs 5) and review sentiment (98% vs 90%). Kensho's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price, rating, update cadence and in-app purchases there is nothing between them.

Both are free to download. Сон и медитация c «Серотонин» sells 7 in-app purchases, starting at $1.99 per 7 days and Kensho sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for Сон и медитация c «Серотонин» against 5.0 for Kensho. That said, the two scores are not equally well evidenced: Сон и медитация c «Серотонин» has 98 ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 98% of Сон и медитация c «Серотонин»'s written reviews are positive against 90% of Kensho's.

Сон и медитация c «Серотонин» ships an update monthly, Kensho fortnightly. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Сон и медитация c «Серотонин» | Kensho |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (98 ratings)](https://appshunter.io/ios/app/c/id1485570605/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/kensho/id6444700768/reviews)** |
| Number of ratings | **98** | 5 |
| Positive reviews | **98.4% of reviews** | 90.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | **Freemium** | Subscription |
| Size | 80 MB | 32 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ilia Moskvin](https://appshunter.io/developer/1485570604) | [Viktoria Degtyareva](https://appshunter.io/developer/1656229589) |

## What reviewers say

### Сон и медитация c «Серотонин»

[App page](https://appshunter.io/ios/app/c/id1485570605)

This app helps you fall asleep faster, reduce stress, and learn meditation techniques. It offers guided exercises, breathing practices, and calming sounds to improve your well-being and achieve a state of happiness.

**Highlights:** Guided meditation and mindfulness exercises, Breathing techniques and visual trainer, Sleep sounds and white noise, Progress tracking for meditation sessions, Customizable meditation timer, Stress and panic reduction

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Серотонин на полную, неделя | $1.99 | per 7 days |
| Серотонин на полную, месяц | $4.49 | per month |
| Серотонин на полную, месяц | $6.49 | per month |
| Серотонин на полную, полгода | $19.99 | per 6 months |
| Серотонин на полную, год | $27.49 | per year |
| Серотонин на полную | $44.99 | per year |
| Мотивация+ (на год) | $66.99 | per year |


### Kensho

[App page](https://appshunter.io/ios/app/kensho/id6444700768)

This app offers guided meditations, affirmations, and journaling tools to help users achieve a happier, more mindful life. It incorporates principles from CBT, transactional analysis, ACT, and Buddhism to reduce stress, improve focus, and foster self-discovery.

**Highlights:** Guided audio meditations, Daily affirmations library, Gratitude, Joy, and Desire journals, Balance wheel for life assessment, Courses on various life aspects, Mental health practices

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Subscription | $5.99 | per month |
| 6 Month Subscription | $19.99 | per 6 months |
| 12 Month Subscription | $29.99 | per year |


## Frequently asked questions

### Is Сон и медитация c «Серотонин» free?

Сон и медитация c «Серотонин» is free to download, with in-app purchases available.

### Is Kensho free?

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

### Which has better reviews, Сон и медитация c «Серотонин» or Kensho?

Kensho is rated higher. Сон и медитация c «Серотонин» averages 4.9 out of 5 from 98 ratings, while Kensho averages 5.0 from 5 ratings.

### Do Сон и медитация c «Серотонин» or Kensho have ads?

Сон и медитация c «Серотонин» shows ads; Kensho does not.

### Which is updated more often, Сон и медитация c «Серотонин» or Kensho?

Сон и медитация c «Серотонин» ships an update monthly, and Kensho fortnightly. Most recently, Сон и медитация c «Серотонин» was updated on October 15, 2026 and Kensho on October 13, 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.*