# Stack Fill vs Retro Blast 3D

Stack Fill and Retro Blast 3D are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Stack Fill | Retro Blast 3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 days | — |
| Size | 104 MB | 112 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Huseyin Bener Bozkurt](https://appshunter.io/developer/1503888821) | [Makemakex](https://appshunter.io/developer/1600051542) |

## What reviewers say

### Stack Fill

[App page](https://appshunter.io/ios/app/stack-fill/id6741890183)

**Features:** macOS Compatibility

**In-app purchases:** none


### Retro Blast 3D

[App page](https://appshunter.io/ios/app/retro-blast-3d/id6742221519)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stack Fill free?

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

### Is Retro Blast 3D free?

Retro Blast 3D is free to download, with no in-app purchases.

### Do Stack Fill or Retro Blast 3D have ads?

Both Stack Fill and Retro Blast 3D show ads.

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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.*