# Perception! vs Boom Boom Stack

The clearest difference is ads: Boom Boom Stack at none against Perception!'s shown. Perception!'s advantage is update cadence (every 6 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Perception! ships an update every 6 days, Boom Boom Stack every 2 months. Both last shipped on October 11, 2026.

## The numbers

| Metric | Perception! | Boom Boom Stack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 days** | Every 2 months |
| Size | 53 MB | 50 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Timothee de Raucourt](https://appshunter.io/developer/1818655956) | [Bahlul Hasanli](https://appshunter.io/developer/1798090041) |

## What reviewers say

### Perception!

[App page](https://appshunter.io/ios/app/perception-spot-the-tile/id6757512290)

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

**In-app purchases:** none


### Boom Boom Stack

[App page](https://appshunter.io/ios/app/boom-boom-stack/id6761138077)

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

**In-app purchases:** none


## Frequently asked questions

### Is Perception! free?

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

### Is Boom Boom Stack free?

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

### Do Perception! or Boom Boom Stack have ads?

Perception! shows ads; Boom Boom Stack does not.

### Which is updated more often, Perception! or Boom Boom Stack?

Perception! ships an update every 6 days, and Boom Boom Stack every 2 months. Most recently, Perception! was updated on October 11, 2026 and Boom Boom Stack on October 11, 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.*