# Chicken Invaders 4 vs Sky Force

The clearest difference is rating: Sky Force at 4.7 against Chicken Invaders 4's 3.9. Sky Force also leads on review sentiment (89% vs 52%) and update cadence (every 2 months vs every 19 months). Chicken Invaders 4's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Chicken Invaders 4 sells 1 one-off in-app purchase and Sky Force sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Sky Force holds the better App Store score, 4.7 against 3.9. That said, the two scores are not equally well evidenced: Sky Force has 2.1K ratings behind it against 94, so its average is the more settled of the two. Written reviews point the same way: 52% of Chicken Invaders 4's written reviews are positive against 89% of Sky Force's.

Chicken Invaders 4 ships an update every 19 months, Sky Force every 2 months. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Chicken Invaders 4 | Sky Force |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (94 ratings)](https://appshunter.io/ios/app/chicken-invaders-4/id561910733/reviews) | **[4.7 (2.1K ratings)](https://appshunter.io/ios/app/sky-force/id717233547/reviews)** |
| Number of ratings | 94 | **2.1K** |
| Positive reviews | 51.6% of reviews | **89.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 19 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 91 MB | 260 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [InterAction studios](https://appshunter.io/developer/460426907) | [Infinite Dreams Inc.](https://appshunter.io/developer/306712040) |

## What reviewers say

### Chicken Invaders 4

[App page](https://appshunter.io/ios/app/chicken-invaders-4/id561910733)

Defend Earth from an alien chicken invasion in this retro-style arcade shooter. Pilot your spaceship, blast waves of fowl invaders, and save humanity from intergalactic poultry. Experience intense space combat with escalating challenges.

**Highlights:** Retro arcade shooter gameplay, Defend Earth from alien chickens, Pilot a spaceship, Intense space combat, Escalating challenges

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full game unlock | $0.99 | one-time |


### Sky Force

[App page](https://appshunter.io/ios/app/sky-force/id717233547)

Experience a classic arcade shooter reborn with stunning 3D graphics and intuitive touch controls. Upgrade your ship, battle intense bosses, and compete in weekly tournaments against other players. Rescue fallen pilots for rewards and achieve victory in this action-packed scrolling shooter.

**Highlights:** Stunning 3D graphics, Intuitive touchscreen controls, Powerful ship upgrade system, Weekly player tournaments, Rescue fallen pilots for rewards, Multiple boss battles, In-game achievements

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Precious Cargo | $1.99 | one-time |
| Ads Removal | $3.99 | one-time |
| Plane Generator | $3.99 | one-time |
| SX2 - Star Doubler | $3.99 | one-time |

**What reviewers like**

- 🚀 Smooth gameplay
- 👍 Great graphics and sound
- 💎 Challenging but rewarding
- 🎮 Classic arcade-style shooter
- 🔋 Offline playable

**What reviewers complain about**

- 🐛 Crashes and performance issues
- ⏱️ Slow progression and long upgrade times
- 💰 Grindy to progress without in-app purchases
- 👎 Controls can be frustrating on mobile

**Reported bugs**

- Game crashes on launch for some users
- Saved progress not syncing across devices
- Ads not working as expected

**Requested features**

- More levels and content updates
- Controller support
- Ability to reset progress
- Customization options for the ship


## Frequently asked questions

### Is Chicken Invaders 4 free?

Chicken Invaders 4 is free to download, with in-app purchases available.

### Is Sky Force free?

Sky Force is free to download, with in-app purchases available.

### Which has better reviews, Chicken Invaders 4 or Sky Force?

Sky Force is rated higher. Chicken Invaders 4 averages 3.9 out of 5 from 94 ratings, while Sky Force averages 4.7 from 2.1K ratings.

### Do Chicken Invaders 4 or Sky Force have ads?

Both Chicken Invaders 4 and Sky Force show ads.

### Which is updated more often, Chicken Invaders 4 or Sky Force?

Chicken Invaders 4 ships an update every 19 months, and Sky Force every 2 months. Most recently, Chicken Invaders 4 was updated on October 12, 2026 and Sky Force on October 15, 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.*