# Scan Alien vs SPEED TAP DADADA

The clearest difference is in-app purchases: Scan Alien at none against SPEED TAP DADADA's 1. Scan Alien also leads on iOS requirement (6.0 vs 15.0). SPEED TAP DADADA's advantage is update cadence (every 3 months vs every 28 months). On price, ads and device support there is nothing between them.

Both are free to download. SPEED TAP DADADA sells 1 one-off in-app purchase. Scan Alien asks for nothing beyond the download.

Scan Alien ships an update every 28 months, SPEED TAP DADADA every 3 months. The most recent releases landed on October 13, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Scan Alien | SPEED TAP DADADA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/scan-alien/id591704206/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 10 MB | 144 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [marge co., ltd.](https://appshunter.io/developer/331850369) | [Yukinori Yano](https://appshunter.io/developer/1758591754) |

## What reviewers say

### Scan Alien

[App page](https://appshunter.io/ios/app/scan-alien/id591704206)

Become an airport security guard tasked with identifying and apprehending aliens disguised as humans. Use advanced scanners to detect anomalies in silhouettes and apprehend the extraterrestrial infiltrators.

**Highlights:** Alien detection gameplay, Airport security simulation, Silhouette scanning mechanics, Apprehend disguised aliens, Story-driven missions

**Features:** macOS Compatibility

**In-app purchases:** none


### SPEED TAP DADADA

[App page](https://appshunter.io/ios/app/speed-tap-dadada/id6749489205)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 12 Play Points | $0.99 | one-time |


## Frequently asked questions

### Is Scan Alien free?

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

### Is SPEED TAP DADADA free?

SPEED TAP DADADA is free to download, with in-app purchases available.

### Do Scan Alien or SPEED TAP DADADA have ads?

Neither Scan Alien nor SPEED TAP DADADA shows ads.

### Which is updated more often, Scan Alien or SPEED TAP DADADA?

Scan Alien ships an update every 28 months, and SPEED TAP DADADA every 3 months. Most recently, Scan Alien was updated on October 13, 2026 and SPEED TAP DADADA on October 1, 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.*