# Astris vs Constellation Finder

The clearest difference is in-app purchases: Astris at none against Constellation Finder's 5. On price, update cadence, ads and device support there is nothing between them.

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

Astris ships an update every 3 months, Constellation Finder every 2 months. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Astris | Constellation Finder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (23 ratings)](https://appshunter.io/ios/app/constellation-finder-planets/id6744271218/reviews)** |
| Number of ratings | — | **23** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 21 MB | 20 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [ISTITUTI EDMONDO DE AMICIS SRL](https://appshunter.io/developer/1219261025) | [Overflow LTD](https://appshunter.io/developer/1664238457) |

## What reviewers say

### Astris

[App page](https://appshunter.io/ios/app/astris/id6454899891)

**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, Vision Pro support

**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 Astris free?

Astris 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 Astris or Constellation Finder have ads?

Neither Astris nor Constellation Finder shows ads.

### Which is updated more often, Astris or Constellation Finder?

Astris ships an update every 3 months, and Constellation Finder every 2 months. Most recently, Astris was updated on November 3, 2026 and Constellation Finder on November 5, 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.*