# D_HUB vs COSMOS

D_HUB and COSMOS are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

D_HUB ships an update every 3 weeks, COSMOS every 2 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | D_HUB | COSMOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/cosmos-3d-solar-system/id6792780408/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | — | Paid |
| Size | 56 MB | 4 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hamoud Alzuhairi](https://appshunter.io/developer/6773117133) | [yuudai tasaki](https://appshunter.io/developer/1861229093) |

## What reviewers say

### D_HUB

[App page](https://appshunter.io/ios/app/d-hub/id6773117131)

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

**In-app purchases:** none


### COSMOS

[App page](https://appshunter.io/ios/app/cosmos-3d-solar-system/id6792780408)

Explore a real-time 3D model of the solar system, accurately depicting planet positions based on orbital mechanics. Zoom in on celestial bodies, control time to view past or future sky events, and learn details about each planet. This app offers an ad-free, offline experience with a one-time purchase.

**Highlights:** Real-time planet and moon positions, Scrub through time for past/future views, Photo-realistic textures, Adjustable time scale, Free exploration with pinch and swipe, Detailed information on celestial bodies

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

**In-app purchases:** none


## Frequently asked questions

### Is D_HUB free?

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

### Is COSMOS free?

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

### Do D_HUB or COSMOS have ads?

Neither D_HUB nor COSMOS shows ads.

### Which is updated more often, D_HUB or COSMOS?

D_HUB ships an update every 3 weeks, and COSMOS every 2 weeks. Most recently, D_HUB was updated on October 25, 2026 and COSMOS on October 25, 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.*