# Notarized vs Serotonin Boost

The clearest difference is ads: Serotonin Boost at none against Notarized's shown. Serotonin Boost also leads on update cadence (daily vs every 5 days) and monetization model (free vs ad-supported). On price, rating, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Notarized holds the better App Store score, 5.0 against 4.8. 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.

Notarized ships an update every 5 days, Serotonin Boost daily. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Notarized | Serotonin Boost |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/notarized-original-edition/id1560383944/reviews)** | [4.8 (19 ratings)](https://appshunter.io/ios/app/serotonin-boost/id1574734627/reviews) |
| Number of ratings | 3 | **19** |
| Positive reviews | — | 90.9% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | **Daily** |
| Monetization | Ad-supported | **Free** |
| Size | 23 MB | 64 MB |
| Requires iOS | 16.6 | **11.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [AndEtc, Inc.](https://appshunter.io/developer/1311918485) | [Ahmed Alkazaz](https://appshunter.io/developer/1574734629) |

## What reviewers say

### Notarized

[App page](https://appshunter.io/ios/app/notarized-original-edition/id1560383944)

This entertainment app offers a magic and mindreading experience. It is a re-release for users who haven't upgraded to newer versions. Find more details by searching for "Notarized - Magic and Mindreading" on the App Store.

**Highlights:** Magic and mindreading experience, Re-released version, App Store search for details, Supports watch and iPhone

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Notarized free?

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

### Is Serotonin Boost free?

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

### Which has better reviews, Notarized or Serotonin Boost?

Notarized is rated higher. Notarized averages 5.0 out of 5 from 3 ratings, while Serotonin Boost averages 4.8 from 19 ratings.

### Do Notarized or Serotonin Boost have ads?

Notarized shows ads; Serotonin Boost does not.

### Which is updated more often, Notarized or Serotonin Boost?

Notarized ships an update every 5 days, and Serotonin Boost daily. Most recently, Notarized was updated on October 17, 2026 and Serotonin Boost on October 24, 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.*