# Wow Button! vs Sparkler

The clearest difference is in-app purchases: Sparkler at none against Wow Button!'s 1. Sparkler also leads on ads (none vs shown). Wow Button!'s advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.4). On price there is nothing between them.

Both are free to download. Wow Button! sells 1 one-off in-app purchase. Sparkler asks for nothing beyond the download.

## The numbers

| Metric | Wow Button! | Sparkler |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | — |
| Size | 6 MB | 65 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Goro Sato](https://appshunter.io/developer/412448991) | [Sho Nakazato](https://appshunter.io/developer/1542970007) |

## What reviewers say

### Wow Button!

[App page](https://appshunter.io/ios/app/wow-button/id6465692235)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Sparkler

[App page](https://appshunter.io/ios/app/sparkler-japanese-fireworks/id6807595654)

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

**In-app purchases:** none


## Frequently asked questions

### Is Wow Button! free?

Wow Button! is free to download, with in-app purchases available.

### Is Sparkler free?

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

### Do Wow Button! or Sparkler have ads?

Wow Button! shows ads; Sparkler 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.*