# Zen Koi Classic vs Red Hide Ball

The clearest difference is review sentiment: Zen Koi Classic at 86% against Red Hide Ball's 20%. Zen Koi Classic also leads on rating (4.7 vs 3.7) and ratings volume (2.1K vs 382). Red Hide Ball's advantage is in-app purchases (none vs 10) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Zen Koi Classic sells 10 one-off in-app purchases. Red Hide Ball asks for nothing beyond the download.

Zen Koi Classic holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: Zen Koi Classic has 2.1K ratings behind it against 382, so its average is the more settled of the two. Written reviews point the same way: 86% of Zen Koi Classic's written reviews are positive against 20% of Red Hide Ball's.

Zen Koi Classic ships an update every 3 months, Red Hide Ball every 4 months. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Zen Koi Classic | Red Hide Ball |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2.1K ratings)](https://appshunter.io/ios/app/zen-koi-classic/id896575207/reviews)** | [3.7 (382 ratings)](https://appshunter.io/ios/app/red-hide-ball/id6473354317/reviews) |
| Number of ratings | **2.1K** | 382 |
| Positive reviews | **85.6% of reviews** | 20.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 128 MB | 153 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [LandShark Games Pte. Ltd.](https://appshunter.io/developer/635142101) | [Vaghasiya Mayank](https://appshunter.io/developer/1718860004) |

## What reviewers say

### Zen Koi Classic

[App page](https://appshunter.io/ios/app/zen-koi-classic/id896575207)

Nurture and collect vibrant Koi fish in a serene underwater world. Watch them grow, evolve into majestic dragons, and discover hundreds of unique varieties. Share your collection with friends and enjoy a calming, visually stunning experience.

**Highlights:** Breed and collect hundreds of unique Koi varieties, Watch Koi evolve into majestic dragons, Soothing music and mesmerizing visuals, Intuitive single-touch controls, Share and gift Koi with friends, Limited edition rewards for collectors

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $1.99 | one-time |
| Small Handful of pearls | $1.99 | one-time |
| Handful of pearls | $4.99 | one-time |
| Hasu Pack | $4.99 | one-time |
| Bag of pearls | $9.99 | one-time |
| Tenshi Pack | $9.99 | one-time |
| Splatto Pack | $9.99 | one-time |
| Yajiri Pack | $9.99 | one-time |
| Monkī Pack | $19.99 | one-time |
| Nami Pack | $19.99 | one-time |

**What reviewers like**

- 🌊 Relaxing and calming gameplay
- 🎨 Beautiful and intricate koi designs
- 🐉 Enjoyment of breeding and evolving koi into dragons
- 🕰️ Great way to pass time and de-stress
- 🎶 Soothing and pleasant background music

**What reviewers complain about**

- 💰 Difficulty earning pearls without in-app purchases
- 🔒 Limited number of koi/egg slots without spending pearls
- 🐛 Occasional crashes and bugs after updates
- 🆕 Concerns about losing progress after updates
- 📺 Disruptive full-screen ads

**Reported bugs**

- Koi and dragon progress lost after updates
- Inconsistent koi movement and speed issues
- Ads causing frequent crashes or freezes

**Requested features**

- Ability to play as or interact with dragons
- More koi slots or alternative ways to expand pond
- Easier ways to earn pearls without watching ads
- Ability to name or customize koi and dragons
- Zoom out feature to see full pond layout


### Red Hide Ball

[App page](https://appshunter.io/ios/app/red-hide-ball/id6473354317)

Protect good balls from monsters in this logic puzzle game. Challenge your mind with strategic gameplay and tactical moves. Progress through increasingly difficult levels with vibrant visuals and endless entertainment.

**Highlights:** Protect good balls from monsters, Logic puzzle challenges, Strategic gameplay, Tactical move planning, Progressive difficulty levels, Vibrant visuals

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🎮 Nostalgic gameplay
- 🎨 Colorful visuals
- 🎶 Enjoyable soundtrack

**What reviewers complain about**

- 🔍 Lack of customization options
- 💰 Excessive ads
- 🔄 Drastic changes from previous versions
- 🤔 Questionable developer behavior

**Reported bugs**

- Game suddenly switching to a different title
- Inability to save progress after gameplay

**Requested features**

- Bring back the original Robot Unicorn Attack game
- Restore previous customization features
- Reduce or remove intrusive ads


## Frequently asked questions

### Is Zen Koi Classic free?

Zen Koi Classic is free to download, with in-app purchases available.

### Is Red Hide Ball free?

Red Hide Ball is free to download, with no in-app purchases.

### Which has better reviews, Zen Koi Classic or Red Hide Ball?

Zen Koi Classic is rated higher. Zen Koi Classic averages 4.7 out of 5 from 2.1K ratings, while Red Hide Ball averages 3.7 from 382 ratings.

### Do Zen Koi Classic or Red Hide Ball have ads?

Zen Koi Classic shows ads; Red Hide Ball does not.

### Which is updated more often, Zen Koi Classic or Red Hide Ball?

Zen Koi Classic ships an update every 3 months, and Red Hide Ball every 4 months. Most recently, Zen Koi Classic was updated on November 6, 2026 and Red Hide Ball on November 4, 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.*