# 5 Second Challenge vs Morse Code Tower Defense

The clearest difference is in-app purchases: Morse Code Tower Defense at none against 5 Second Challenge's 3. 5 Second Challenge's advantage is update cadence (every 2 days vs every 6 months) and iOS requirement (9.0 vs 14.0). On price, ads and device support there is nothing between them.

Both are free to download. 5 Second Challenge sells 3 one-off in-app purchases. Morse Code Tower Defense asks for nothing beyond the download.

5 Second Challenge ships an update every 2 days, Morse Code Tower Defense every 6 months. The most recent releases landed on October 1, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | 5 Second Challenge | Morse Code Tower Defense |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 6 months |
| Size | 54 MB | 69 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [David Smekal](https://appshunter.io/developer/1539355605) | [Wong Kai Sing](https://appshunter.io/developer/1682862705) |

## What reviewers say

### 5 Second Challenge

[App page](https://appshunter.io/ios/app/5-second-challenge-dirty/id1539355603)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dirty Pack 2 | $0.99 | one-time |
| Dirty Pack 3 | $0.99 | one-time |
| Dirty Pack 4 | $0.99 | one-time |


### Morse Code Tower Defense

[App page](https://appshunter.io/ios/app/morse-code-tower-defense/id6667116745)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 5 Second Challenge free?

5 Second Challenge is free to download, with in-app purchases available.

### Is Morse Code Tower Defense free?

Morse Code Tower Defense is free to download, with no in-app purchases.

### Do 5 Second Challenge or Morse Code Tower Defense have ads?

Neither 5 Second Challenge nor Morse Code Tower Defense shows ads.

### Which is updated more often, 5 Second Challenge or Morse Code Tower Defense?

5 Second Challenge ships an update every 2 days, and Morse Code Tower Defense every 6 months. Most recently, 5 Second Challenge was updated on October 1, 2026 and Morse Code Tower Defense on September 27, 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.*