# PolyFill vs Unblock Parking PRO

The clearest difference is price: PolyFill at Free against Unblock Parking PRO's $0.29. Unblock Parking PRO's advantage is in-app purchases (none vs 3) and update cadence (monthly vs every 6 months). On ads, device support and iOS requirement there is nothing between them.

PolyFill is free to download; Unblock Parking PRO costs $0.29 up front. PolyFill sells 3 one-off in-app purchases. Unblock Parking PRO asks for nothing beyond the download.

PolyFill ships an update every 6 months, Unblock Parking PRO monthly. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | PolyFill | Unblock Parking PRO |
| --- | --- | --- |
| Price | **Free** | $0.29 |
| 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 | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 110 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Kelly Technology Inc.](https://appshunter.io/developer/393931941) | [NICMIT](https://appshunter.io/developer/1596507688) |

## 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 |


### Unblock Parking PRO

[App page](https://appshunter.io/ios/app/unblock-parking-pro/id6473449980)

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

**In-app purchases:** none


## Frequently asked questions

### Is PolyFill free?

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

### Is Unblock Parking PRO free?

Unblock Parking PRO costs $0.29, with no in-app purchases.

### Do PolyFill or Unblock Parking PRO have ads?

Both PolyFill and Unblock Parking PRO show ads.

### Which is updated more often, PolyFill or Unblock Parking PRO?

PolyFill ships an update every 6 months, and Unblock Parking PRO monthly. Most recently, PolyFill was updated on October 6, 2026 and Unblock Parking PRO on October 11, 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.*