# Serotonin Boost vs AI Video Flow

The clearest difference is review sentiment: Serotonin Boost at 91% against AI Video Flow's 33%. Serotonin Boost also leads on rating (4.8 vs 2.0) and in-app purchases (none vs 2). On price, ads and device support there is nothing between them.

Both are free to download. AI Video Flow sells 2 in-app purchases, starting at $9.99 per 7 days. Serotonin Boost asks for nothing beyond the download.

Serotonin Boost holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: Serotonin Boost has 19 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 91% of Serotonin Boost's written reviews are positive against 33% of AI Video Flow's.

Serotonin Boost ships an update daily, AI Video Flow every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Serotonin Boost | AI Video Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (19 ratings)](https://appshunter.io/ios/app/serotonin-boost/id1574734627/reviews)** | [2.0 (3 ratings)](https://appshunter.io/ios/app/ai-video-flow/id6670753850/reviews) |
| Number of ratings | **19** | 3 |
| Positive reviews | **90.9% of reviews** | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 64 MB | 18 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Ahmed Alkazaz](https://appshunter.io/developer/1574734629) | [ZMOTIONAI PTE. LTD.](https://appshunter.io/developer/1753662650) |

## What reviewers say

### Serotonin Boost

[App page](https://appshunter.io/ios/app/serotonin-boost/id1574734627)

This app aims to enhance your mood and mental well-being with inspirational quotes and relaxing Lofi music. Discover motivational messages from notable figures and unwind with a curated selection of ambient tunes.

**Highlights:** Motivational quotes, Celebrity and historian quotes, Free Lofi music, Relaxing audio, Positive vibes promotion

**Features:** macOS Compatibility

**In-app purchases:** none


### AI Video Flow

[App page](https://appshunter.io/ios/app/ai-video-flow/id6670753850)

Transform videos into AI-generated art with various styles like anime, cartoons, and Renaissance paintings. Simply choose a style, upload your video, and let the AI create. Unleash your creativity and bring your videos to life.

**Highlights:** AI-powered video style transfer, Multiple artistic styles (Anime, 3D cartoon, Renaissance), User-friendly 3-step process, Cartoon yourself feature, Video to anime conversion

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Video Flow Pro Weekly | $9.99 | per 7 days |
| AI Video Flow Pro Monthly | $29.99 | per month |


## Frequently asked questions

### Is Serotonin Boost free?

Serotonin Boost is free to download, with no in-app purchases.

### Is AI Video Flow free?

AI Video Flow is free to download, with in-app purchases available.

### Which has better reviews, Serotonin Boost or AI Video Flow?

Serotonin Boost is rated higher. Serotonin Boost averages 4.8 out of 5 from 19 ratings, while AI Video Flow averages 2.0 from 3 ratings.

### Do Serotonin Boost or AI Video Flow have ads?

Neither Serotonin Boost nor AI Video Flow shows ads.

### Which is updated more often, Serotonin Boost or AI Video Flow?

Serotonin Boost ships an update daily, and AI Video Flow every 2 weeks. Most recently, Serotonin Boost was updated on October 24, 2026 and AI Video Flow on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*