# kubic vs Griddie Islands

The clearest difference is review sentiment: Griddie Islands at 68% against kubic's 39%. Griddie Islands also leads on rating (4.7 vs 4.4) and ratings volume (1.1K vs 245). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. kubic sells 5 one-off in-app purchases and Griddie Islands sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Griddie Islands holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 245 and 1.1K respectively. Written reviews point the same way: 39% of kubic's written reviews are positive against 68% of Griddie Islands's.

kubic ships an update every 2 months, Griddie Islands monthly. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | kubic | Griddie Islands |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (245 ratings)](https://appshunter.io/ios/app/kubic/id1062903406/reviews) | **[4.7 (1.1K ratings)](https://appshunter.io/ios/app/griddie-islands/id1436856200/reviews)** |
| Number of ratings | 245 | **1.1K** |
| Positive reviews | 38.9% of reviews | **68.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 383 MB | 179 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pixel Envision Ltd.](https://appshunter.io/developer/444289214) | [Pomelo Games](https://appshunter.io/developer/899606172) |

## What reviewers say

### kubic

[App page](https://appshunter.io/ios/app/kubic/id1062903406)

This optical illusion puzzle game challenges players to construct impossible structures inspired by M.C. Escher's art. With a clean design and minimalistic graphics, it offers over 60 mind-bending puzzles across various geometric and spatial themes. Features include layer locking, zoom, and an in-game hint system to aid progression.

**Highlights:** Optical illusion puzzles, M.C. Escher inspired designs, Geometric and impossible objects, Layer locking and manipulation, Zoom and view controls, In-game hint system, Progress syncing via iCloud

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Hints | $0.99 | one-time |
| No Ads | $1.99 | one-time |
| 25 Hints | $1.99 | one-time |
| 50 Hints | $2.99 | one-time |
| 100 Hints | $3.99 | one-time |

**What reviewers like**

- 💡 Original and clever puzzles
- 🧠 Mind-bending challenges
- 👍 Fun and engaging gameplay
- ✨ Well-realized game concept
- 🤔 Puzzles make you think

**What reviewers complain about**

- 😠 Frustrating tile placement
- 📉 Steep difficulty curve
- 💸 Excessive and intrusive ads
- 😩 Stressful user experience
- ⚠️ Ads interrupt gameplay

**Reported bugs**

- Tiles not sticking correctly
- App won't launch offline
- App won't load/crashes on launch
- In-app purchase attempts forced
- Bug with in-app purchase activation

**Requested features**

- Fix tile placement issues
- Improve difficulty curve
- Option to rotate puzzles
- Option to lock in pieces
- Dark mode for night play


### Griddie Islands

[App page](https://appshunter.io/ios/app/griddie-islands/id1436856200)

Place quirky beings on tiny islands to attract fleas that produce money. Merge beings to discover higher levels and increase production in this lively idle merger game. Explore over 50 unique levels.

**Highlights:** Place beings on islands, Fleas produce money, Merge beings to level up, Discover 50+ levels, Idle production mechanics

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cubes 10 pack | $0.99 | one-time |
| Cubes 60 pack | $4.99 | one-time |
| Cubes 200 pack | $9.99 | one-time |
| Cubes 600 pack | $19.99 | one-time |
| Cubes 2100 pack | $49.99 | one-time |
| Cubes 5800 pack | $99.99 | one-time |

**What reviewers like**

- 💫 Charming and clever design
- 🎨 Unique and fun Griddie designs
- 👍 Simple and easy to pick up
- 🕰️ Relaxing and addictive gameplay
- 💰 No excessive monetization

**What reviewers complain about**

- 🐢 Slow progression after early levels
- 🔁 Repetitive Griddie designs after level 50
- 🔋 High battery consumption
- 🔍 Difficulty merging Griddies
- 📺 Inconsistent ad rewards

**Reported bugs**

- Screen going black when placing Griddies
- Inventory getting stuck with no way to clear
- Inconsistent in-app purchase functionality

**Requested features**

- More islands and Griddie designs
- Prestige system or other progression mechanics
- Option to sell or discard unwanted Griddies
- Ability to rotate Griddies
- In-game notes or planning tools


## Frequently asked questions

### Is kubic free?

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

### Is Griddie Islands free?

Griddie Islands is free to download, with in-app purchases available.

### Which has better reviews, kubic or Griddie Islands?

Griddie Islands is rated higher. kubic averages 4.4 out of 5 from 245 ratings, while Griddie Islands averages 4.7 from 1.1K ratings.

### Do kubic or Griddie Islands have ads?

Both kubic and Griddie Islands show ads.

### Which is updated more often, kubic or Griddie Islands?

kubic ships an update every 2 months, and Griddie Islands monthly. Most recently, kubic was updated on November 2, 2026 and Griddie Islands 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.*