# Boolean Builder by ChatStick vs Quantum Core

The clearest difference is in-app purchases: Quantum Core at none against Boolean Builder by ChatStick's 1. Quantum Core also leads on ads (none vs shown) and iOS requirement (18.0 vs 26.2). On price and device support there is nothing between them.

Both are free to download. Boolean Builder by ChatStick sells 1 one-off in-app purchase. Quantum Core asks for nothing beyond the download.

## The numbers

| Metric | Boolean Builder by ChatStick | Quantum Core |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Size | 11 MB | 30 MB |
| Requires iOS | 26.2 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) | [Marlon Santos](https://appshunter.io/developer/1895267207) |

## What reviewers say

### Boolean Builder by ChatStick

[App page](https://appshunter.io/ios/app/boolean-builder-by-chatstick/id6764350982)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Boolean Builder Premium | $1.99 | one-time |


### Quantum Core

[App page](https://appshunter.io/ios/app/quantum-core-inside-the-atom/id6792081823)

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

**In-app purchases:** none


## Frequently asked questions

### Is Boolean Builder by ChatStick free?

Boolean Builder by ChatStick is free to download, with in-app purchases available.

### Is Quantum Core free?

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

### Do Boolean Builder by ChatStick or Quantum Core have ads?

Boolean Builder by ChatStick shows ads; Quantum Core 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.*