# Astronaut Hidden Objects vs Alien & UFO Galaxy Exploration

Astronaut Hidden Objects and Alien & UFO Galaxy Exploration are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Astronaut Hidden Objects sells 4 one-off in-app purchases and Alien & UFO Galaxy Exploration sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Astronaut Hidden Objects ships an update every 31 months, Alien & UFO Galaxy Exploration every 37 months. The most recent releases landed on October 29, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Astronaut Hidden Objects | Alien & UFO Galaxy Exploration |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (24 ratings)](https://appshunter.io/ios/app/alien-and-ufo-galaxy-exploration/id1351520695/reviews)** |
| Number of ratings | — | **24** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 31 months** | Every 37 months |
| Monetization | — | Free with in-app purchases |
| Size | 209 MB | 79 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [John Smith](https://appshunter.io/developer/483881207) | [Istvan Kiss](https://appshunter.io/developer/1299989198) |

## What reviewers say

### Astronaut Hidden Objects

[App page](https://appshunter.io/ios/app/astronaut-hidden-objects/id824098939)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hint object | $0.99 | one-time |
| Skip level | $0.99 | one-time |
| Unlock all levels | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |


### Alien & UFO Galaxy Exploration

[App page](https://appshunter.io/ios/app/alien-and-ufo-galaxy-exploration/id1351520695)

Explore space with funny aliens, rockets, and planets. This app features engaging sound games, memory challenges, puzzles, and a camera game with a space theme. Designed for young children to learn and play.

**Highlights:** Alien and spaceship sound games, Memory games with aliens, rockets, and planets, High-quality space puzzles, Space exploration game, Camera game with space-themed accessories

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |
| Unlock Content | $5.99 | one-time |
| PRO | $7.99 | one-time |


## Frequently asked questions

### Is Astronaut Hidden Objects free?

Astronaut Hidden Objects is free to download, with in-app purchases available.

### Is Alien & UFO Galaxy Exploration free?

Alien & UFO Galaxy Exploration is free to download, with in-app purchases available.

### Do Astronaut Hidden Objects or Alien & UFO Galaxy Exploration have ads?

Both Astronaut Hidden Objects and Alien & UFO Galaxy Exploration show ads.

### Which is updated more often, Astronaut Hidden Objects or Alien & UFO Galaxy Exploration?

Astronaut Hidden Objects ships an update every 31 months, and Alien & UFO Galaxy Exploration every 37 months. Most recently, Astronaut Hidden Objects was updated on October 29, 2026 and Alien & UFO Galaxy Exploration on November 2, 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.*