# Undead Walking Experiment vs Playground 3D!

The clearest difference is review sentiment: Playground 3D! at 66% against Undead Walking Experiment's 0%. Playground 3D! also leads on rating (4.6 vs 2.7) and update cadence (every 2 weeks vs every 51 months). Undead Walking Experiment's advantage is ads (none vs shown) and iOS requirement (7.0 vs 15.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Undead Walking Experiment sells 5 one-off in-app purchases and Playground 3D! sells 18 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Playground 3D! holds the better App Store score, 4.6 against 2.7. That said, the two scores are not equally well evidenced: Playground 3D! has 10K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of Undead Walking Experiment's written reviews are positive against 66% of Playground 3D!'s.

Undead Walking Experiment ships an update every 51 months, Playground 3D! every 2 weeks. The most recent releases landed on October 23, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Undead Walking Experiment | Playground 3D! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (3 ratings)](https://appshunter.io/ios/app/undead-walking-experiment/id582571980/reviews) | **[4.6 (10K ratings)](https://appshunter.io/ios/app/playground-3d/id1671651176/reviews)** |
| Number of ratings | 3 | **10K** |
| Positive reviews | 0.0% of reviews | **65.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 51 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 26 MB | 246 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Giuseppe Calcagno](https://appshunter.io/developer/510762783) | [Liudmyla Petryshyn](https://appshunter.io/developer/1024436268) |

## What reviewers say

### Undead Walking Experiment

[App page](https://appshunter.io/ios/app/undead-walking-experiment/id582571980)

Destroy hordes of undead with your fingers or by upgrading your arsenal. Aim for the head to maximize your effectiveness and survive as long as possible in this action-packed game.

**Highlights:** Finger-based combat, Weapon upgrades, Headshot targeting, Survival gameplay, Item shop

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Shotgun+Infinite Ammo | $0.99 | one-time |
| Remove iAd | $0.99 | one-time |
| Unlock Machinegun+Infinite Ammo | $1.99 | one-time |
| Unlock Katana (Infinite Weapon) | $2.99 | one-time |
| Unlock All Game Items | $4.99 | one-time |


### Playground 3D!

[App page](https://appshunter.io/ios/app/playground-3d/id1671651176)

This is a physics-based sandbox game where you can create custom scenarios and observe realistic interactions between characters and objects. Explore endless possibilities for creative experiments and simulations with a variety of tools and environments.

**Highlights:** Realistic physics engine, Diverse characters and objects, Stunning 3D graphics, Wide selection of tools and weapons, Endless creative possibilities

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

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hunter | $1.99 | one-time |
| 10 Keys | $1.99 | one-time |
| Cave | $1.99 | one-time |
| Bunker | $1.99 | one-time |
| Scary SpeakerBro | $3.99 | one-time |
| 25 Keys | $3.99 | one-time |
| Scary SkibiBro | $3.99 | one-time |
| ClockBro | $3.99 | one-time |
| Huntress | $3.99 | one-time |
| SkibiBro | $3.99 | one-time |
| SpeakerBro | $3.99 | one-time |
| 50 Keys | $5.99 | one-time |
| Titan ClockBro | $5.99 | one-time |
| No Ads | $5.99 | one-time |
| Titan SkibiBro | $5.99 | one-time |
| Titan SpeakerBro | $5.99 | one-time |
| Weirdo | $9.99 | one-time |
| BundleBro №1 | $14.99 | one-time |

**What reviewers like**

- 👍 Great game
- 🎮 Engaging gameplay
- 💯 Perfect experience
- 🎨 Vibrant graphics
- 🕹️ Fun ragdoll physics

**What reviewers complain about**

- 🗣️ Too many ads
- 💰 Expensive in-app purchases
- 🔨 Buggy and crashes frequently
- 🤖 Unrealistic character models

**Reported bugs**

- Keeps kicking players out of the game
- Crashes on launch or shortly after
- Issues with saving progress and login

**Requested features**

- Add more maps and environments
- Implement team-based gameplay
- Include more interactive elements
- Introduce more customization options
- Add a train and other vehicles


## Frequently asked questions

### Is Undead Walking Experiment free?

Undead Walking Experiment is free to download, with in-app purchases available.

### Is Playground 3D! free?

Playground 3D! is free to download, with in-app purchases available.

### Which has better reviews, Undead Walking Experiment or Playground 3D!?

Playground 3D! is rated higher. Undead Walking Experiment averages 2.7 out of 5 from 3 ratings, while Playground 3D! averages 4.6 from 10K ratings.

### Do Undead Walking Experiment or Playground 3D! have ads?

Playground 3D! shows ads; Undead Walking Experiment does not.

### Which is updated more often, Undead Walking Experiment or Playground 3D!?

Undead Walking Experiment ships an update every 51 months, and Playground 3D! every 2 weeks. Most recently, Undead Walking Experiment was updated on October 23, 2026 and Playground 3D! on October 28, 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.*