# Solar System&Celestial Objects vs Constellation Finder

The clearest difference is in-app purchases: Solar System&Celestial Objects at none against Constellation Finder's 5. Solar System&Celestial Objects also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.4). Constellation Finder's advantage is ads (none vs shown). On price and update cadence 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&Celestial Objects asks for nothing beyond the download.

Solar System&Celestial Objects ships an update every 6 weeks, Constellation Finder every 2 months. The most recent releases landed on May 16, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Solar System&Celestial Objects | Constellation Finder |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 62 MB | 20 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [NIKI TECH](https://appshunter.io/developer/1788609104) | [Overflow LTD](https://appshunter.io/developer/1664238457) |

## What reviewers say

### Solar System&Celestial Objects

[App page](https://appshunter.io/ios/app/solar-system-and-celestial-objects/id6503188651)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Solar System&Celestial Objects free?

Solar System&Celestial Objects is free to download, with no in-app purchases.

### Is Constellation Finder free?

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

### Do Solar System&Celestial Objects or Constellation Finder have ads?

Solar System&Celestial Objects shows ads; Constellation Finder does not.

### Which is updated more often, Solar System&Celestial Objects or Constellation Finder?

Solar System&Celestial Objects ships an update every 6 weeks, and Constellation Finder every 2 months. Most recently, Solar System&Celestial Objects was updated on May 16, 2026 and Constellation Finder on September 9, 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.*