# Cosmic vs Armillary Sphere

The clearest difference is rating: Cosmic at 4.8 against Armillary Sphere's 4.0. Cosmic also leads on ratings volume (636 vs 6). Armillary Sphere's advantage is in-app purchases (none vs 6) and iOS requirement (9.0 vs 15.0). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Cosmic sells 6 in-app purchases, starting at $0.99 per month. Armillary Sphere asks for nothing beyond the download.

Cosmic holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Cosmic has 636 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 87% of Cosmic's written reviews are positive against 86% of Armillary Sphere's.

Cosmic ships an update every 6 months, Armillary Sphere every 5 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Cosmic | Armillary Sphere |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (636 ratings)](https://appshunter.io/ios/app/cosmic-watch/id971231853/reviews)** | [4.0 (6 ratings)](https://appshunter.io/ios/app/armillary-sphere/id1225026601/reviews) |
| Number of ratings | **636** | 6 |
| Positive reviews | **86.8% of reviews** | 85.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 194 MB | 275 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Celestial Dynamics AG](https://appshunter.io/developer/997250789) | [HKU TELI](https://appshunter.io/developer/1153931100) |

## What reviewers say

### Cosmic

[App page](https://appshunter.io/ios/app/cosmic-watch/id971231853)

Explore the cosmos with this app that offers interactive tools for celestial navigation and astronomical observation. Visualize the sky, Earth, and solar system from multiple perspectives, and discover constellations, planets, and events in augmented reality. It's a blend of ancient wisdom and modern technology for a deeper connection to the universe.

**Highlights:** Multiple celestial perspectives (sky, Earth, solar system), Augmented reality sky exploration, Interactive astronomical and world clocks, Visualized natal charts (Western, Vedic, Sidereal), Day/night cycles on Earth globe, Celestial navigation guides, Notifications for astronomical events

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $0.99 | per month |
| Monthly | $2.99 | per month |
| Yearly Plan | $4.99 | per year |
| Yearly | $24.99 | per year |
| Tools Pack | $2.99 | one-time |
| Cosmic Pro | $69.99 | one-time |

**What reviewers like**

- 🌟 Visually stunning and mesmerizing
- 🔍 Excellent for learning about the solar system and celestial sphere
- 🕰️ Useful for tracking planetary movements and positions
- 🎨 Beautiful and intuitive interface
- 🧠 Highly educational and informative

**What reviewers complain about**

- 🔧 Occasional bugs and glitches
- 📍 Inaccurate location detection
- 🔍 Overwhelming amount of information for beginners
- ⚙️ Difficulty in customizing and managing settings
- 🔍 Lack of clear tutorials and user guides

**Reported bugs**

- Date and time not accurately reflected in the solar system view
- Inconsistent behavior when switching between different modes and settings
- Difficulty in maintaining user preferences across sessions

**Requested features**

- Add an alarm feature to wake up to different celestial views
- Implement support for Apple Watch and other wearables
- Provide more options to customize the display and information layers
- Include a night mode or dimmer setting for better visibility in low light
- Integrate with other astronomy apps and tools for a more comprehensive experience


### Armillary Sphere

[App page](https://appshunter.io/ios/app/armillary-sphere/id1225026601)

Explore the cosmos with this 3D astronomical tool. Measure and record the positions and movements of celestial bodies, and determine sunrise/sunset times and day length. Reconstructs an ancient scientific instrument using modern technology.

**Highlights:** 3D astronomical model, Measure celestial positions, Record Sun and star movements, Determine sunrise/sunset times, Calculate day length, Adjustable Meridian, Equator, Horizon, Ecliptic, Altitude

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cosmic free?

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

### Is Armillary Sphere free?

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

### Which has better reviews, Cosmic or Armillary Sphere?

Cosmic is rated higher. Cosmic averages 4.8 out of 5 from 636 ratings, while Armillary Sphere averages 4.0 from 6 ratings.

### Do Cosmic or Armillary Sphere have ads?

Neither Cosmic nor Armillary Sphere shows ads.

### Which is updated more often, Cosmic or Armillary Sphere?

Cosmic ships an update every 6 months, and Armillary Sphere every 5 months. Most recently, Cosmic was updated on November 1, 2026 and Armillary Sphere on November 3, 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.*