# Block Blaster Fire Fly vs BuildStack

The clearest difference is in-app purchases: BuildStack at none against Block Blaster Fire Fly's 3. BuildStack also leads on ads (none vs shown) and iOS requirement (12.0 vs 26.2). On price and device support there is nothing between them.

Both are free to download. Block Blaster Fire Fly sells 3 one-off in-app purchases. BuildStack asks for nothing beyond the download.

## The numbers

| Metric | Block Blaster Fire Fly | BuildStack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Size | 25 MB | 56 MB |
| Requires iOS | 26.2 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ALAZ EREKUL](https://appshunter.io/developer/1869935123) | [Abhijeet Dhillon](https://appshunter.io/developer/1886312544) |

## What reviewers say

### Block Blaster Fire Fly

[App page](https://appshunter.io/ios/app/block-blaster-fire-fly/id6759800194)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 200 Gems | $0.99 | one-time |
| 500 Gems | $1.99 | one-time |
| 1000 Gems | $3.99 | one-time |


### BuildStack

[App page](https://appshunter.io/ios/app/buildstack/id6760919545)

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

**In-app purchases:** none


## Frequently asked questions

### Is Block Blaster Fire Fly free?

Block Blaster Fire Fly is free to download, with in-app purchases available.

### Is BuildStack free?

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

### Do Block Blaster Fire Fly or BuildStack have ads?

Block Blaster Fire Fly shows ads; BuildStack does not.

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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.*