# PolyFill vs Cube & Sphere 3D

The clearest difference is in-app purchases: Cube & Sphere 3D at none against PolyFill's 3. Cube & Sphere 3D also leads on iOS requirement (8.1 vs 14.0). PolyFill's advantage is update cadence (every 6 months vs every 39 months). On price, ads and device support there is nothing between them.

Both are free to download. PolyFill sells 3 one-off in-app purchases. Cube & Sphere 3D asks for nothing beyond the download.

PolyFill ships an update every 6 months, Cube & Sphere 3D every 39 months. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | PolyFill | Cube & Sphere 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/polyfill/id987147033/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 6 months** | Every 39 months |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 82 MB |
| Requires iOS | 14.0 | **8.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Kelly Technology Inc.](https://appshunter.io/developer/393931941) | [Ruslan Goncharenko](https://appshunter.io/developer/934710362) |

## What reviewers say

### PolyFill

[App page](https://appshunter.io/ios/app/polyfill/id987147033)

A brain-training puzzle game where you race against the clock to assemble geometric shapes. Earn points based on difficulty and speed, and compete on leaderboards. Unlock additional complexity and scoring through optional in-app purchases.

**Highlights:** Brain-training puzzles, Timed challenges, Geometric shape assembly, Scoring based on difficulty and time, Game Center leaderboards, Achievement awards, In-app purchases for complexity

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads. | $1.99 | one-time |
| Unlock level 2 | $1.99 | one-time |
| Unlock level 3 | $1.99 | one-time |


### Cube & Sphere 3D

[App page](https://appshunter.io/ios/app/cube-and-sphere-3d/id1062559166)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PolyFill free?

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

### Is Cube & Sphere 3D free?

Cube & Sphere 3D is free to download, with no in-app purchases.

### Do PolyFill or Cube & Sphere 3D have ads?

Both PolyFill and Cube & Sphere 3D show ads.

### Which is updated more often, PolyFill or Cube & Sphere 3D?

PolyFill ships an update every 6 months, and Cube & Sphere 3D every 39 months. Most recently, PolyFill was updated on October 6, 2026 and Cube & Sphere 3D on October 12, 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.*