# Crown Defender vs Sky Ace 3D

The clearest difference is in-app purchases: Crown Defender at none against Sky Ace 3D's 1. Crown Defender also leads on update cadence (daily vs every 3 days). Sky Ace 3D's advantage is iOS requirement (11 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. Sky Ace 3D sells 1 one-off in-app purchase. Crown Defender asks for nothing beyond the download.

Crown Defender ships an update daily, Sky Ace 3D every 3 days. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Crown Defender | Sky Ace 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sky-ace-3d/id6757394576/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 days |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 9 MB |
| Requires iOS | 13.0 | **11** |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [swipe GmbH](https://appshunter.io/developer/1487089734) | [Catalin Berta](https://appshunter.io/developer/1592833249) |

## What reviewers say

### Crown Defender

[App page](https://appshunter.io/ios/app/crown-defender/id6741389283)

**In-app purchases:** none


### Sky Ace 3D

[App page](https://appshunter.io/ios/app/sky-ace-3d/id6757394576)

Engage in thrilling 3D aerial combat directly on your Apple Watch. Maneuver through enemy fire, track targets, and battle bosses in fast-paced dogfights with intuitive one-handed controls.

**Highlights:** Real-time 3D aerial combat, Digital Crown controls, Fast dogfights, Progressive challenge, Optimized for Apple Watch

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game Access | $0.99 | one-time |


## Frequently asked questions

### Is Crown Defender free?

Crown Defender is free to download, with no in-app purchases.

### Is Sky Ace 3D free?

Sky Ace 3D is free to download, with in-app purchases available.

### Do Crown Defender or Sky Ace 3D have ads?

Neither Crown Defender nor Sky Ace 3D shows ads.

### Which is updated more often, Crown Defender or Sky Ace 3D?

Crown Defender ships an update daily, and Sky Ace 3D every 3 days. Most recently, Crown Defender was updated on October 2, 2026 and Sky Ace 3D on October 6, 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.*