# Dust to Cosmos vs YourStudy Space

The clearest difference is monetization model: Dust to Cosmos at free against YourStudy Space's freemium. Dust to Cosmos also leads on update cadence (every 5 days vs fortnightly) and ratings volume (7 vs 1). YourStudy Space's advantage is iOS requirement (15.0 vs 17.0). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Dust to Cosmos sells 3 one-off in-app purchases and YourStudy Space sells 2 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for Dust to Cosmos against 5.0 for YourStudy Space. That said, the two scores are not equally well evidenced: Dust to Cosmos has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Dust to Cosmos ships an update every 5 days, YourStudy Space fortnightly. Both last shipped on October 31, 2026.

## The numbers

| Metric | Dust to Cosmos | YourStudy Space |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (7 ratings)](https://appshunter.io/ios/app/dust-to-cosmos-space-explorer/id6760629100/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/yourstudy-space/id6812159953/reviews)** |
| Number of ratings | **7** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | **Free** | Freemium |
| Size | 1.1 GB | 13 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SnapWorks Lab](https://appshunter.io/developer/1885406324) | [AssignMe LLC](https://appshunter.io/developer/6798506334) |

## What reviewers say

### Dust to Cosmos

[App page](https://appshunter.io/ios/app/dust-to-cosmos-space-explorer/id6760629100)

Explore the vastness of the universe in an immersive 3D experience.  Discover celestial objects, understand their scientific context, and grasp cosmic scale with honest data representation.

**Highlights:** Explore 10,000+ celestial objects, Navigate 3D solar systems, Inspect scientific data and sources, Compare celestial sizes, Experience cosmic journeys, iPad-optimized layout, Create wallpaper outputs

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A Pinch of Stardust | $0.99 | one-time |
| A Cup of Starlight | $4.99 | one-time |
| Keep the Cosmos Growing | $9.99 | one-time |


### YourStudy Space

[App page](https://appshunter.io/ios/app/yourstudy-space/id6812159953)

This app helps medical, nursing, and pharmacy students study using their own lecture notes and slides. It allows users to ask questions about their material, practice clinical scenarios, and build traceable study guides. The app emphasizes citing sources and indicating when information is not found in the uploaded content.

**Highlights:** Ask questions about personal lecture notes, Source-linked answers with reasoning, Build traceable study guides, Listen to lectures as audio, Practice documentation (SOAP notes), Simulated clinical chart scenarios

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| YourStudy Space Monthly | $19.99 | per month |
| YourStudy Space Annual | $99.00 | per year |


## Frequently asked questions

### Is Dust to Cosmos free?

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

### Is YourStudy Space free?

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

### Which has better reviews, Dust to Cosmos or YourStudy Space?

YourStudy Space is rated higher. Dust to Cosmos averages 4.9 out of 5 from 7 ratings, while YourStudy Space averages 5.0 from 1 ratings.

### Do Dust to Cosmos or YourStudy Space have ads?

Neither Dust to Cosmos nor YourStudy Space shows ads.

### Which is updated more often, Dust to Cosmos or YourStudy Space?

Dust to Cosmos ships an update every 5 days, and YourStudy Space fortnightly. Most recently, Dust to Cosmos was updated on October 31, 2026 and YourStudy Space on October 31, 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.*