# Scientific Self vs moodlets

The clearest difference is update cadence: moodlets at every 2 days against Scientific Self's every 9 days. On price, ads, 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.

Scientific Self ships an update every 9 days, moodlets every 2 days. The most recent releases landed on November 3, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Scientific Self | moodlets |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (3 ratings)](https://appshunter.io/ios/app/scientific-self-discovery/id6466156350/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 2 days** |
| Monetization | Free | — |
| Size | 49 MB | 33 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Flourishing Humanity Corporation Ltd.](https://appshunter.io/developer/1596568904) | [Josie Daw](https://appshunter.io/developer/1633003595) |

## What reviewers say

### Scientific Self

[App page](https://appshunter.io/ios/app/scientific-self-discovery/id6466156350)

Explore your personality and potential with over 50 scientifically-backed tests. Set personalized goals, track your progress, and connect with a supportive community for self-awareness and personal development.

**Highlights:** 50+ scientifically-backed tests, 10+ life domains covered, Personalized reports, Goal setting and tracking, Supportive community, Data-driven insights

**Features:** macOS Compatibility

**In-app purchases:** none


### moodlets

[App page](https://appshunter.io/ios/app/moodlets/id6469671381)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Scientific Self free?

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

### Is moodlets free?

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

### Do Scientific Self or moodlets have ads?

Neither Scientific Self nor moodlets shows ads.

### Which is updated more often, Scientific Self or moodlets?

Scientific Self ships an update every 9 days, and moodlets every 2 days. Most recently, Scientific Self was updated on November 3, 2026 and moodlets on November 12, 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.*