# Balls Infinity vs Space Duo

The clearest difference is in-app purchases: Balls Infinity at none against Space Duo's 10. Balls Infinity also leads on update cadence (every 2 weeks vs every 3 months) and iOS requirement (13.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Space Duo sells 10 one-off in-app purchases. Balls Infinity asks for nothing beyond the download.

Balls Infinity ships an update every 2 weeks, Space Duo every 3 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Balls Infinity | Space Duo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Size | 261 MB | 31 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [United Tech and Solutions](https://appshunter.io/developer/1863380418) | [EMRE YILMAZ](https://appshunter.io/developer/1886612843) |

## What reviewers say

### Balls Infinity

[App page](https://appshunter.io/ios/app/balls-infinity/id6759946419)

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

**In-app purchases:** none


### Space Duo

[App page](https://appshunter.io/ios/app/space-duo/id6760878102)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cyber Core Beam | $0.99 | one-time |
| Cyber Core Space | $0.99 | one-time |
| Black Nebula Orbs | $0.99 | one-time |
| Black Nebula Trail | $0.99 | one-time |
| Black Nebula Space | $0.99 | one-time |
| Black Nebula Beam | $0.99 | one-time |
| Turkish Galaxy Orbs | $0.99 | one-time |
| Turkish Galaxy Trail | $0.99 | one-time |
| Turkish Galaxy Space | $0.99 | one-time |
| Turkish Galaxy Beam | $0.99 | one-time |


## Frequently asked questions

### Is Balls Infinity free?

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

### Is Space Duo free?

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

### Do Balls Infinity or Space Duo have ads?

Both Balls Infinity and Space Duo show ads.

### Which is updated more often, Balls Infinity or Space Duo?

Balls Infinity ships an update every 2 weeks, and Space Duo every 3 months. Most recently, Balls Infinity was updated on October 25, 2026 and Space Duo on October 24, 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.*