# Summer Bound vs Retro

The clearest difference is update cadence: Retro at daily against Summer Bound's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Summer Bound ships an update every 3 months, Retro daily. The most recent releases landed on October 5, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Summer Bound | Retro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/retro-space-attack/id6738591809/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Daily** |
| Monetization | — | Ad-supported |
| Size | 8 MB | 163 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Karl Hofer](https://appshunter.io/developer/393604233) | [Batuhan Yildirim](https://appshunter.io/developer/1780110016) |

## What reviewers say

### Summer Bound

[App page](https://appshunter.io/ios/app/summer-bound/id1595568856)

**Features:** macOS Compatibility

**In-app purchases:** none


### Retro

[App page](https://appshunter.io/ios/app/retro-space-attack/id6738591809)

Engage in an arcade-style space shooter with waves of enemies and challenging bosses. Unlock upgrades and master multiple unique ships with stunning pixel art and fast-paced gameplay. It's easy to learn but difficult to master.

**Highlights:** Arcade-style space shooter, Battle waves of enemies, Face epic bosses, Unlock powerful upgrades, Stunning pixel art, Multiple unique ships

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Summer Bound free?

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

### Is Retro free?

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

### Do Summer Bound or Retro have ads?

Both Summer Bound and Retro show ads.

### Which is updated more often, Summer Bound or Retro?

Summer Bound ships an update every 3 months, and Retro daily. Most recently, Summer Bound was updated on October 5, 2026 and Retro on September 26, 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.*