# GEMS Study vs Ousia

The clearest difference is in-app purchases: GEMS Study at none against Ousia's 2. Ousia's advantage is update cadence (every 4 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Ousia sells 2 in-app purchases, starting at $4.99 per month. GEMS Study asks for nothing beyond the download.

GEMS Study ships an update every 2 months, Ousia every 4 days. The most recent releases landed on October 27, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | GEMS Study | Ousia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ousia/id6759287051/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 152 MB | 64 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 17+ |
| Developer | [Kaiser Permanente](https://appshunter.io/developer/446423714) | [Sutirtha Chakraborty](https://appshunter.io/developer/1877873418) |

## What reviewers say

### GEMS Study

[App page](https://appshunter.io/ios/app/gems-study/id6746661401)

**In-app purchases:** none


### Ousia

[App page](https://appshunter.io/ios/app/ousia/id6759287051)

This app offers a calm infotainment and medita-tainment experience, transforming curated content into a journey of self-discovery and mindfulness. It features a 3D interactive interface, personalized content, and tools to bridge digital breakthroughs with physical practice.

**Highlights:** 3D interactive interface, Interactive soothing animations, Hyper-personalized content curation, Mindful Artifacts for physical practice, Radical privacy with zero-retention architecture, Meditainment experience

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ousia Monthly Premium Localised US | $4.99 | per month |
| Ousia Premium Annual Localized US | $29.99 | per year |


## Frequently asked questions

### Is GEMS Study free?

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

### Is Ousia free?

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

### Do GEMS Study or Ousia have ads?

Neither GEMS Study nor Ousia shows ads.

### Which is updated more often, GEMS Study or Ousia?

GEMS Study ships an update every 2 months, and Ousia every 4 days. Most recently, GEMS Study was updated on October 27, 2026 and Ousia on October 18, 2026.

---

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