# AIM vs Space Papers

The clearest difference is rating: AIM at 5.0 against Space Papers's 3.8. AIM also leads on in-app purchases (none vs 6) and update cadence (daily vs every 2 months). Space Papers's advantage is ratings volume (14 vs 2). On price, ads and device support there is nothing between them.

Both are free to download. Space Papers sells 6 one-off in-app purchases. AIM asks for nothing beyond the download.

AIM holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Space Papers has 14 ratings behind it against 2, so its average is the more settled of the two.

AIM ships an update daily, Space Papers every 2 months. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | AIM | Space Papers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/aim-space-challenge/id1124822498/reviews)** | [3.8 (14 ratings)](https://appshunter.io/ios/app/space-papers-planets-border/id1607306352/reviews) |
| Number of ratings | 2 | **14** |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 452 MB | 273 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [ESA - European Space Agency](https://appshunter.io/developer/429660009) | [Tapps Games - Jogos Eletronicos](https://appshunter.io/developer/1532941330) |

## What reviewers say

### AIM

[App page](https://appshunter.io/ios/app/aim-space-challenge/id1124822498)

Embark on a mission to save Earth from an asteroid by traveling to the past. Build a space center, conduct research on asteroids, and use your findings to deflect the threat. Engage in mini-games and strategic building to complete your vital task.

**Highlights:** Build and upgrade space center buildings, Conduct asteroid research, Play mission-based mini-games, Launch satellites, Deflect future asteroid threats, Save the Earth

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Space Papers

[App page](https://appshunter.io/ios/app/space-papers-planets-border/id1607306352)

Become a galactic border agent tasked with checking traveler documents and identifying illegal aliens and interdimensional parasites. Earn points to upgrade equipment and unlock new abilities to protect the galaxy from invasion.

**Highlights:** Intergalactic border agent simulation, Check traveler papers and identify threats, Arrest illegal aliens and parasites, Upgrade equipment and unlock abilities, Offline gameplay

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hard Currency Pack 01 | $1.99 | one-time |
| Hard Currency Pack 02 | $4.99 | one-time |
| Hard Currency Pack 03 | $9.99 | one-time |
| Hard Currency Pack 04 | $19.99 | one-time |
| Hard Currency Pack 05 | $49.99 | one-time |
| Hard Currency Pack 06 | $99.99 | one-time |


## Frequently asked questions

### Is AIM free?

AIM is free to download, with no in-app purchases.

### Is Space Papers free?

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

### Which has better reviews, AIM or Space Papers?

AIM is rated higher. AIM averages 5.0 out of 5 from 2 ratings, while Space Papers averages 3.8 from 14 ratings.

### Do AIM or Space Papers have ads?

Neither AIM nor Space Papers shows ads.

### Which is updated more often, AIM or Space Papers?

AIM ships an update daily, and Space Papers every 2 months. Most recently, AIM was updated on October 2, 2026 and Space Papers on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*