# Bubble Blind vs Space Defender

The clearest difference is ads: Space Defender at none against Bubble Blind's shown. Space Defender also leads on update cadence (daily vs every 5 days) and iOS requirement (15.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Bubble Blind sells 5 one-off in-app purchases and Space Defender sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Bubble Blind ships an update every 5 days, Space Defender daily. The most recent releases landed on October 25, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Bubble Blind | Space Defender |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | **Daily** |
| Size | 13 MB | 1.2 GB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Dmitro Havrylenko](https://appshunter.io/developer/1817986037) | [Guillaume Merle](https://appshunter.io/developer/6815594429) |

## What reviewers say

### Bubble Blind

[App page](https://appshunter.io/ios/app/bubble-blind/id6758277450)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Boost | $3.99 | one-time |
| Big Boost | $7.99 | one-time |
| Ultra | $14.99 | one-time |


### Space Defender

[App page](https://appshunter.io/ios/app/space-defender-frontier-squad/id6815695152)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full game | $4.99 | one-time |


## Frequently asked questions

### Is Bubble Blind free?

Bubble Blind is free to download, with in-app purchases available.

### Is Space Defender free?

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

### Do Bubble Blind or Space Defender have ads?

Bubble Blind shows ads; Space Defender does not.

### Which is updated more often, Bubble Blind or Space Defender?

Bubble Blind ships an update every 5 days, and Space Defender daily. Most recently, Bubble Blind was updated on October 25, 2026 and Space Defender on November 3, 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.*