# Constellation Finder vs Solar System Clock

The clearest difference is in-app purchases: Solar System Clock at none against Constellation Finder's 5. Solar System Clock also leads on update cadence (every 2 days vs every 2 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Constellation Finder sells 5 in-app purchases, starting at $4.99 per 7 days. Solar System Clock asks for nothing beyond the download.

Constellation Finder ships an update every 2 months, Solar System Clock every 2 days. The most recent releases landed on September 9, 2026 and August 15, 2026 respectively.

## The numbers

| Metric | Constellation Finder | Solar System Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (9 ratings)](https://appshunter.io/ios/app/constellation-finder-planets/id6744271218/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 5 MB |
| Requires iOS | **16.4** | 16.6 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 9+ | 4+ |
| Developer | [Overflow LTD](https://appshunter.io/developer/1664238457) | [Mateusz Andrzejczuk](https://appshunter.io/developer/1158375886) |

## What reviewers say

### Constellation Finder

[App page](https://appshunter.io/ios/app/constellation-finder-planets/id6744271218)

Discover planets and constellations with an interactive and educational journey through space. Explore celestial bodies, learn fascinating facts, and enjoy a playful design that makes learning about the solar system fun for all ages.

**Highlights:** Instant planet search and navigation, Fascinating facts and real data, Interactive solar system exploration, Regularly updated celestial data, Vibrant and playful design, Constellation finding capabilities

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Monthly | $5.99 | per month |
| Yearly | $19.99 | per year |
| Lifetime | $17.99 | one-time |
| Lifetime | $29.99 | one-time |


### Solar System Clock

[App page](https://appshunter.io/ios/app/solar-system-clock/id6746730661)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Constellation Finder free?

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

### Is Solar System Clock free?

Solar System Clock is free to download, with no in-app purchases.

### Do Constellation Finder or Solar System Clock have ads?

Neither Constellation Finder nor Solar System Clock shows ads.

### Which is updated more often, Constellation Finder or Solar System Clock?

Constellation Finder ships an update every 2 months, and Solar System Clock every 2 days. Most recently, Constellation Finder was updated on September 9, 2026 and Solar System Clock on August 15, 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.*