# Psychology vs Vibration Waves

The clearest difference is iOS requirement: Psychology at 15.0 against Vibration Waves's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Psychology sells 1 one-off in-app purchase and Vibration Waves sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Psychology ships an update every 10 days, Vibration Waves every 6 days. The most recent releases landed on November 3, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Psychology | Vibration Waves |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (5 ratings)](https://appshunter.io/ios/app/vibration-waves-relax-app/id6805003674/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 211 MB | 28 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Man Hung Sun](https://appshunter.io/developer/1471605573) | [GenAI GmbH](https://appshunter.io/developer/1830047776) |

## What reviewers say

### Psychology

[App page](https://appshunter.io/ios/app/psychology-creative/id6444853685)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| upgrade | $0.99 | one-time |


### Vibration Waves

[App page](https://appshunter.io/ios/app/vibration-waves-relax-app/id6805003674)

Discover a moment of peace with a variety of soothing soundscapes and wave-inspired audio. This app helps you relax, unwind, and create a calm atmosphere for resting, meditating, or studying. Its simple interface makes it easy to find the perfect sound to reduce stress and slow down your mind.

**Highlights:** Variety of relaxing soundscapes, Wave-inspired audio, Ambient sounds and melodies, Simple and intuitive interface, Reduces everyday stress, Promotes peaceful atmosphere

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Subscription | $4.99 | per 7 days |
| Annual Premium Subscription | $29.99 | per year |


## Frequently asked questions

### Is Psychology free?

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

### Is Vibration Waves free?

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

### Do Psychology or Vibration Waves have ads?

Neither Psychology nor Vibration Waves shows ads.

### Which is updated more often, Psychology or Vibration Waves?

Psychology ships an update every 10 days, and Vibration Waves every 6 days. Most recently, Psychology was updated on November 3, 2026 and Vibration Waves on November 10, 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.*