# Castle Rivals vs Splash! Duck Math Puzzle

The clearest difference is review sentiment: Splash! Duck Math Puzzle at 100% against Castle Rivals's 40%. Splash! Duck Math Puzzle also leads on in-app purchases (none vs 10). Castle Rivals's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Castle Rivals sells 10 one-off in-app purchases. Splash! Duck Math Puzzle asks for nothing beyond the download.

## The numbers

| Metric | Castle Rivals | Splash! Duck Math Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2.2K ratings)](https://appshunter.io/ios/app/castle-rivals/id6758003347/reviews)** | — |
| Number of ratings | **2.2K** | — |
| Positive reviews | 39.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | — |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 512 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Voodoo](https://appshunter.io/developer/714804730) | [Hassan Karam](https://appshunter.io/developer/1645734065) |

## What reviewers say

### Castle Rivals

[App page](https://appshunter.io/ios/app/castle-rivals/id6758003347)

Engage in fast-paced PvP battles by building defenses and firing cannons to destroy enemy castles. Utilize physics-based destruction and strategic hero abilities to outmaneuver opponents. Every shot counts in this skill-based combat game.

**Highlights:** Physics-based destruction, Skill-based cannon combat, Unique heroes with special abilities, Strategic gameplay, Upgradeable castles, Epic castle battles

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $1.99 | one-time |
| Hero Boost | $3.99 | one-time |
| Small Gem Package | $4.99 | one-time |
| Champion Pack | $4.99 | one-time |
| Medium Gem Package | $9.99 | one-time |
| Arena Pack | $9.99 | one-time |
| Moon Maiden Offer | $9.99 | one-time |
| Battle Pass | $9.99 | one-time |
| Forge Pass | $14.99 | one-time |
| Large Gem Package | $19.99 | one-time |


### Splash! Duck Math Puzzle

[App page](https://appshunter.io/ios/app/splash-duck-math-puzzle/id6792301986)

A number puzzle game where you catch ducks with numbers that add up to a target sum before the pond overflows. It offers a fun way to practice mental math, concentration, and reflexes for all ages.

**Highlights:** Catch numbered ducks to match target sums, Avoid overflowing the pond, Progressive difficulty with varied challenges, Daily challenges and global leaderboards, Unlockable duck skins, Brain training for mental math and reflexes

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

**In-app purchases:** none


## Frequently asked questions

### Is Castle Rivals free?

Castle Rivals is free to download, with in-app purchases available.

### Is Splash! Duck Math Puzzle free?

Splash! Duck Math Puzzle is free to download, with no in-app purchases.

### Do Castle Rivals or Splash! Duck Math Puzzle have ads?

Both Castle Rivals and Splash! Duck Math Puzzle show ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*
