# Trace Letter Level 9 vs Wow~Fireworks!

The clearest difference is in-app purchases: Wow~Fireworks! at none against Trace Letter Level 9's 2. Wow~Fireworks! also leads on update cadence (every 2 weeks vs every 19 months). Trace Letter Level 9's advantage is ads (none vs shown) and iOS requirement (6.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Trace Letter Level 9 sells 2 one-off in-app purchases. Wow~Fireworks! asks for nothing beyond the download.

Trace Letter Level 9 ships an update every 19 months, Wow~Fireworks! every 2 weeks. The most recent releases landed on October 26, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Trace Letter Level 9 | Wow~Fireworks! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/wowfireworks/id1496895225/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 19 months | **Every 2 weeks** |
| Monetization | — | Ad-supported |
| Size | 23 MB | 212 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [宁 王](https://appshunter.io/developer/431513082) | [Beijing Ningdom Technology Co., Ltd.](https://appshunter.io/developer/434217018) |

## What reviewers say

### Trace Letter Level 9

[App page](https://appshunter.io/ios/app/trace-letter-level-9-number/id1127359184)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get All Pens | $0.99 | one-time |
| Remove ADs | $0.99 | one-time |


### Wow~Fireworks!

[App page](https://appshunter.io/ios/app/wowfireworks/id1496895225)

Engage in a simple, celebratory experience by tapping to create vibrant fireworks displays. Perfect for moments of joy and festivity, this game brings the excitement of fireworks to your device.

**Highlights:** Tap to launch fireworks, Vibrant visual displays, Celebratory atmosphere, Simple, intuitive gameplay, Suitable for all ages

**In-app purchases:** none


## Frequently asked questions

### Is Trace Letter Level 9 free?

Trace Letter Level 9 is free to download, with in-app purchases available.

### Is Wow~Fireworks! free?

Wow~Fireworks! is free to download, with no in-app purchases.

### Do Trace Letter Level 9 or Wow~Fireworks! have ads?

Wow~Fireworks! shows ads; Trace Letter Level 9 does not.

### Which is updated more often, Trace Letter Level 9 or Wow~Fireworks!?

Trace Letter Level 9 ships an update every 19 months, and Wow~Fireworks! every 2 weeks. Most recently, Trace Letter Level 9 was updated on October 26, 2026 and Wow~Fireworks! on October 3, 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.*