# PolyFill vs Fill the Void

The clearest difference is rating: Fill the Void at 5.0 against PolyFill's 2.3. Fill the Void also leads on in-app purchases (none vs 3) and ads (none vs shown). PolyFill's advantage is ratings volume (3 vs 1). On price and device support there is nothing between them.

Both are free to download. PolyFill sells 3 one-off in-app purchases. Fill the Void asks for nothing beyond the download.

Fill the Void holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

## The numbers

| Metric | PolyFill | Fill the Void |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/polyfill/id987147033/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fill-the-void/id6753729861/reviews)** |
| Number of ratings | **3** | 1 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 15 MB | 46 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Kelly Technology Inc.](https://appshunter.io/developer/393931941) | [Sean Williams](https://appshunter.io/developer/1844715766) |

## 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 |


### Fill the Void

[App page](https://appshunter.io/ios/app/fill-the-void/id6753729861)

A shape-based puzzle game that challenges your perception by requiring you to fit pieces together. Experience a unique puzzle-solving adventure designed by Sean Williams with original audio by Anya Yatskova.

**Highlights:** Shape-based puzzle gameplay, Perception testing, Piece fitting challenges, Unique puzzle adventure, Original audio design

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PolyFill free?

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

### Is Fill the Void free?

Fill the Void is free to download, with no in-app purchases.

### Which has better reviews, PolyFill or Fill the Void?

Fill the Void is rated higher. PolyFill averages 2.3 out of 5 from 3 ratings, while Fill the Void averages 5.0 from 1 ratings.

### Do PolyFill or Fill the Void have ads?

PolyFill shows ads; Fill the Void does not.

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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.*