# SkySafari vs ComploDex

The clearest difference is price: ComploDex at Free against SkySafari's $4.99. ComploDex also leads on update cadence (weekly vs monthly) and iOS requirement (15.0 vs 18.6). SkySafari's advantage is chart position (#31 vs unranked). On ads, in-app purchases and device support there is nothing between them.

ComploDex is free to download; SkySafari costs $4.99 up front. SkySafari sells 3 in-app purchases, starting at $3.99 per month and ComploDex sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

SkySafari ships an update monthly, ComploDex weekly. Both last shipped on October 31, 2026.

## The numbers

| Metric | SkySafari | ComploDex |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.7 (18K ratings)](https://appshunter.io/ios/app/skysafari/id1257281849/reviews)** | — |
| Number of ratings | **18K** | — |
| Positive reviews | 63.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#31** | — |
| Size | 859 MB | 42 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Simulation Curriculum Corp.](https://appshunter.io/developer/791341744) | [Sebastien Soulier](https://appshunter.io/developer/952348670) |

## What reviewers say

### SkySafari

[App page](https://appshunter.io/ios/app/skysafari/id1257281849)

**Currently charting:** #31 Top Paid · Reference (US App Store)

This powerful pocket planetarium helps you explore the night sky. Identify celestial objects by pointing your device, view astrophotography, and plan your stargazing with real-time visibility information. Offers guided tours and pronunciation guides for a comprehensive learning experience.

**Highlights:** Point and identify stars, planets, and constellations, Explore astrophotography in the Image Gallery, View real-time sky visibility in 'Sky Tonight', Simulate the sky across time and locations, Access guided audio tours and pronunciation guides, Night Vision mode for dark observation

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SkySafari Premium | $3.99 | per month |
| SkySafari Premium | $29.99 | per year |
| Apollo Lunar Missions | Free | one-time |

**What reviewers like**

- 👍 User-friendly
- 🚀 Accurate sky mapping
- 🌌 Detailed information on celestial objects
- 💡 Helpful for stargazing and astronomy
- 🔭 Useful for telescope owners

**What reviewers complain about**

- 🐛 Occasional crashes and glitches
- 🤑 Excessive upselling and in-app purchases
- 🤯 Confusing version and feature differences
- 🙄 Intrusive notifications and sounds
- 🤔 Difficult to use some features

**Reported bugs**

- Compass not working correctly
- Disappearing or missing objects
- Time travel feature issues
- Compatibility problems with newer iOS versions

**Requested features**

- Dark mode option
- Ability to hide toolbar and UI elements
- More customization options
- Improved telescope integration
- Better comet and new object tracking


### ComploDex

[App page](https://appshunter.io/ios/app/complodex/id6766619841)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Insider | $2.99 | per month |
| Insider · Yearly | $22.99 | per year |
| Founder Edition | $44.99 | one-time |


## Frequently asked questions

### Is SkySafari free?

SkySafari costs $4.99, and also offers in-app purchases.

### Is ComploDex free?

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

### Do SkySafari or ComploDex have ads?

Neither SkySafari nor ComploDex shows ads.

### Which is updated more often, SkySafari or ComploDex?

SkySafari ships an update monthly, and ComploDex weekly. Most recently, SkySafari was updated on October 31, 2026 and ComploDex 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.*