# Block Builder 3D Free vs Play Impossible Gameball

The clearest difference is rating: Play Impossible Gameball at 4.8 against Block Builder 3D Free's 4.1. Play Impossible Gameball also leads on in-app purchases (none vs 1) and update cadence (every 6 weeks vs every 5 months). Block Builder 3D Free's advantage is iOS requirement (4.3 vs 13.0). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Block Builder 3D Free sells 1 one-off in-app purchase. Play Impossible Gameball asks for nothing beyond the download.

Play Impossible Gameball holds the better App Store score, 4.8 against 4.1. Both are backed by a comparable volume of ratings — 193 and 964 respectively. Written reviews complicate that: 79% of Block Builder 3D Free's written reviews are positive against 72% of Play Impossible Gameball's, so the app with the better star average is not the one people write more warmly about.

Block Builder 3D Free ships an update every 5 months, Play Impossible Gameball every 6 weeks. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Block Builder 3D Free | Play Impossible Gameball |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (193 ratings)](https://appshunter.io/ios/app/block-builder-3d-free/id519028914/reviews) | **[4.8 (964 ratings)](https://appshunter.io/ios/app/play-impossible-gameball/id1124166804/reviews)** |
| Number of ratings | 193 | **964** |
| Positive reviews | **79.0% of reviews** | 71.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 39 MB | 109 MB |
| Requires iOS | **4.3** | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Ettin Entertainment I/S](https://appshunter.io/developer/512521245) | [Sperry Labs LLC](https://appshunter.io/developer/595997039) |

## What reviewers say

### Block Builder 3D Free

[App page](https://appshunter.io/ios/app/block-builder-3d-free/id519028914)

This app allows children to build with virtual wooden blocks, create towers, and knock them down without any mess. It offers interactive elements like RC cars, animals, and educational games such as number blocks and 2D/3D board games.

**Highlights:** Virtual wooden block building, Interactive physics-based play, Educational number blocks, Train simulation, 2D and 3D board games, Save custom constructions

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade | $0.99 | one-time |

**What reviewers like**

- 🤩 Fun and engaging gameplay
- 💡 Encourages creativity and imagination
- 🧱 Good physics engine
- 🎮 Addictive and enjoyable
- 👨‍👩‍👧‍👦 Great for kids

**What reviewers complain about**

- 👎 Boring and repetitive gameplay
- 📉 Lacks content and features
- 🚫 Not compatible with current iOS versions
- 💸 In-app purchases lost
- 🥶 Freezes and crashes

**Reported bugs**

- App needs to work with iOS 11
- App needs to work with iOS 12.1.3
- Cylinder block causes lag
- Train and carriage move far apart
- App freezes

**Requested features**

- Update to work with current iOS
- More blocks
- Better graphics
- Static tool for blocks
- More block colors


### Play Impossible Gameball

[App page](https://appshunter.io/ios/app/play-impossible-gameball/id1124166804)

This app connects to a smart ball to bring digital gaming into physical play. Enjoy a variety of active games, track your skills, and compete with friends. It's designed for active fun indoors and outdoors.

**Highlights:** Connects to smart ball via Bluetooth, 10+ free connected ball games, Track ball skills and compete, Indoor and outdoor active play, Rapid charging for extended play

**In-app purchases:** none

**What reviewers like**

- 🎮 Original and unique game
- 🤩 Entertaining and intuitive
- 💪 Encourages physical activity
- 🤝 Great for group fun

**What reviewers complain about**

- ⚠️ Gameball no longer sold, no support
- ⚠️ Charging and connectivity issues
- 🐛 Frequent freezing and crashes
- 🤖 Lacks essential features like saving high scores

**Reported bugs**

- Gameball won't connect or charge
- Connectivity issues on different platforms

**Requested features**

- Better menu system to navigate levels
- Compatibility with Apple TV
- Individualized high score tracking


## Frequently asked questions

### Is Block Builder 3D Free free?

Block Builder 3D Free is free to download, with in-app purchases available.

### Is Play Impossible Gameball free?

Play Impossible Gameball is free to download, with no in-app purchases.

### Which has better reviews, Block Builder 3D Free or Play Impossible Gameball?

Play Impossible Gameball is rated higher. Block Builder 3D Free averages 4.1 out of 5 from 193 ratings, while Play Impossible Gameball averages 4.8 from 964 ratings.

### Do Block Builder 3D Free or Play Impossible Gameball have ads?

Neither Block Builder 3D Free nor Play Impossible Gameball shows ads.

### Which is updated more often, Block Builder 3D Free or Play Impossible Gameball?

Block Builder 3D Free ships an update every 5 months, and Play Impossible Gameball every 6 weeks. Most recently, Block Builder 3D Free was updated on November 1, 2026 and Play Impossible Gameball on November 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.*