# Cosmic Specks vs COSMOS

The clearest difference is update cadence: Cosmic Specks at daily against COSMOS's every 2 weeks. COSMOS's advantage is iOS requirement (15.0 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Cosmic Specks sells 1 one-off in-app purchase and COSMOS sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Cosmic Specks against 5.0 for COSMOS. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

Cosmic Specks ships an update daily, COSMOS every 2 weeks. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Cosmic Specks | COSMOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/cosmic-specks/id6784808054/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/cosmos-3d-solar-system/id6792780408/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 12 MB | 8 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kaolin Fire](https://appshunter.io/developer/506161943) | [yuudai tasaki](https://appshunter.io/developer/1861229093) |

## What reviewers say

### Cosmic Specks

[App page](https://appshunter.io/ios/app/cosmic-specks/id6784808054)

Explore the solar system with accurate scale and orbital mechanics. This app removes common simplifications to reveal the true vastness and complexity of space. Witness planetary rotations, eclipses, and comet paths with unprecedented detail.

**Highlights:** Accurate planetary scale, True orbital inclinations, Realistic axial rotations, Detailed comet paths, Time-based simulations, Precise eclipse visualization, Data-driven accuracy indicators

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 20,000 Years | $2.99 | one-time |


### COSMOS

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

Explore a real-time 3D model of the solar system with accurate planetary positions and photo-realistic textures. Control time to view past or future celestial events and learn about planets and moons. This app is free and works offline.

**Highlights:** Real-time planetary orbits, Photo-realistic textures, Time control for past/future viewing, Free and offline functionality, Detailed planet information, Exploration via pinch and swipe

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support the Developer | $1.99 | one-time |
| Support the Developer | $4.99 | one-time |
| Support the Developer | $9.99 | one-time |


## Frequently asked questions

### Is Cosmic Specks free?

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

### Is COSMOS free?

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

### Which has better reviews, Cosmic Specks or COSMOS?

Cosmic Specks and COSMOS are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.

### Do Cosmic Specks or COSMOS have ads?

Neither Cosmic Specks nor COSMOS shows ads.

### Which is updated more often, Cosmic Specks or COSMOS?

Cosmic Specks ships an update daily, and COSMOS every 2 weeks. Most recently, Cosmic Specks was updated on October 31, 2026 and COSMOS on November 6, 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.*