# iPetZombie vs Zen Koi Classic

The clearest difference is price: Zen Koi Classic at Free against iPetZombie's $0.99. Zen Koi Classic also leads on update cadence (every 3 months vs every 86 months). iPetZombie's advantage is in-app purchases (none vs 10) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Zen Koi Classic is free to download; iPetZombie costs $0.99 up front. Zen Koi Classic sells 10 one-off in-app purchases. iPetZombie asks for nothing beyond the download.

iPetZombie ships an update every 86 months, Zen Koi Classic every 3 months. The most recent releases landed on September 10, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | iPetZombie | Zen Koi Classic |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.7 (2.1K ratings)](https://appshunter.io/ios/app/zen-koi-classic/id896575207/reviews)** |
| Number of ratings | — | **2.1K** |
| Positive reviews | — | 85.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 86 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 128 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | +4 | 4+ |
| Developer | [Nicholas Wilson](https://appshunter.io/developer/440497890) | [LandShark Games Pte. Ltd.](https://appshunter.io/developer/635142101) |

## What reviewers say

### iPetZombie

[App page](https://appshunter.io/ios/app/ipetzombie/id511250534)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is iPetZombie free?

iPetZombie costs $0.99, with no in-app purchases.

### Is Zen Koi Classic free?

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

### Do iPetZombie or Zen Koi Classic have ads?

Zen Koi Classic shows ads; iPetZombie does not.

### Which is updated more often, iPetZombie or Zen Koi Classic?

iPetZombie ships an update every 86 months, and Zen Koi Classic every 3 months. Most recently, iPetZombie was updated on September 10, 2026 and Zen Koi Classic on October 20, 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.*