# Sky Force vs Chicken Invaders Universe

The clearest difference is ratings volume: Sky Force at 2.1K against Chicken Invaders Universe's 32. Sky Force also leads on review sentiment (89% vs 68%). Chicken Invaders Universe's advantage is iOS requirement (12.0 vs 15.0). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Sky Force sells 4 one-off in-app purchases and Chicken Invaders Universe sells 9 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 4.5. That said, the two scores are not equally well evidenced: Sky Force has 2.1K ratings behind it against 32, so its average is the more settled of the two. Written reviews point the same way: 89% of Sky Force's written reviews are positive against 68% of Chicken Invaders Universe's.

Sky Force ships an update every 2 months, Chicken Invaders Universe every 6 weeks. The most recent releases landed on October 20, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Sky Force | Chicken Invaders Universe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2.1K ratings)](https://appshunter.io/ios/app/sky-force/id717233547/reviews)** | [4.5 (32 ratings)](https://appshunter.io/ios/app/chicken-invaders-universe/id1596645084/reviews) |
| Number of ratings | **2.1K** | 32 |
| Positive reviews | **89.5% of reviews** | 68.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 260 MB | 226 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [Infinite Dreams Inc.](https://appshunter.io/developer/306712040) | [InterAction studios](https://appshunter.io/developer/460426907) |

## What reviewers say

### 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


### Chicken Invaders Universe

[App page](https://appshunter.io/ios/app/chicken-invaders-universe/id1596645084)

Battle alien chickens across the galaxy as a recruit in the United Hero Force. Explore star systems, complete missions, upgrade spacecraft, and engage in intense shooting action with friends. Earn your place among the heroes.

**Highlights:** Explore 1,000+ star systems, Over 20,000 missions, Finger-blistering shooting action, Gigantic boss fights, Upgradeable weapons, Cooperative multiplayer (up to 99 players), Customizable spacecraft fleet

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small key pack | $1.99 | one-time |
| Medium key pack | $3.99 | one-time |
| The Saga Begins DLC | $3.99 | one-time |
| The Next Wave DLC | $4.99 | one-time |
| Large key pack | $5.99 | one-time |
| Revenge of the Yolk DLC | $5.99 | one-time |
| Ultimate Omelette DLC | $5.99 | one-time |
| Cluck of the Dark Side DLC | $5.99 | one-time |
| Chicken Hunter License | $6.99 | one-time |


## Frequently asked questions

### Is Sky Force free?

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

### Is Chicken Invaders Universe free?

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

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

Sky Force is rated higher. Sky Force averages 4.7 out of 5 from 2.1K ratings, while Chicken Invaders Universe averages 4.5 from 32 ratings.

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

Both Sky Force and Chicken Invaders Universe show ads.

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

Sky Force ships an update every 2 months, and Chicken Invaders Universe every 6 weeks. Most recently, Sky Force was updated on October 20, 2026 and Chicken Invaders Universe on October 22, 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.*