# Kills Birds vs Alien Flight

The clearest difference is in-app purchases: Kills Birds at none against Alien Flight's 2. Kills Birds also leads on ads (none vs shown). Alien Flight's advantage is update cadence (every 7 months vs every 91 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Alien Flight sells 2 one-off in-app purchases. Kills Birds asks for nothing beyond the download.

Kills Birds ships an update every 91 months, Alien Flight every 7 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Kills Birds | Alien Flight |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (5 ratings)](https://appshunter.io/ios/app/kills-birds/id962800126/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 91 months | **Every 7 months** |
| Monetization | Free | — |
| Size | 16 MB | 16 MB |
| Requires iOS | 12.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Giuseppe Calcagno](https://appshunter.io/developer/510762783) | [Tristan Nottelman](https://appshunter.io/developer/1187705519) |

## What reviewers say

### Kills Birds

[App page](https://appshunter.io/ios/app/kills-birds/id962800126)

Engage in a rapid-fire action strategy game where you tap birds out of the sky. Enjoy a fun and fast-paced experience.

**Highlights:** Fast-paced action, Strategy gameplay, Tap mechanics, Bird-tapping, Action game

**In-app purchases:** none


### Alien Flight

[App page](https://appshunter.io/ios/app/alien-flight/id1434668246)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Coins | $0.99 | one-time |
| 250 Coins | $1.99 | one-time |


## Frequently asked questions

### Is Kills Birds free?

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

### Is Alien Flight free?

Alien Flight is free to download, with in-app purchases available.

### Do Kills Birds or Alien Flight have ads?

Alien Flight shows ads; Kills Birds does not.

### Which is updated more often, Kills Birds or Alien Flight?

Kills Birds ships an update every 91 months, and Alien Flight every 7 months. Most recently, Kills Birds was updated on November 1, 2026 and Alien Flight on November 2, 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.*