# Perth vs Penrite Pro

The clearest difference is update cadence: Penrite Pro at every 3 months against Perth's every 27 months. Perth's advantage is iOS requirement (9.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Perth ships an update every 27 months, Penrite Pro every 3 months. The most recent releases landed on October 1, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Perth | Penrite Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 3 months** |
| Size | 177 MB | 35 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Total Web Systems Limited](https://appshunter.io/developer/826563624) | [Penrite Oil Company](https://appshunter.io/developer/1161277195) |

## What reviewers say

### Perth

[App page](https://appshunter.io/ios/app/perth-wrx/id695434793)

**Features:** macOS Compatibility

**In-app purchases:** none


### Penrite Pro

[App page](https://appshunter.io/ios/app/penrite-pro/id1394426364)

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

**In-app purchases:** none


## Frequently asked questions

### Is Perth free?

Perth is free to download, with no in-app purchases.

### Is Penrite Pro free?

Penrite Pro is free to download, with no in-app purchases.

### Do Perth or Penrite Pro have ads?

Neither Perth nor Penrite Pro shows ads.

### Which is updated more often, Perth or Penrite Pro?

Perth ships an update every 27 months, and Penrite Pro every 3 months. Most recently, Perth was updated on October 1, 2026 and Penrite Pro on October 8, 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.*