# PistonHeads vs ARK JR

The clearest difference is update cadence: PistonHeads at fortnightly against ARK JR's every 6 months. ARK JR's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

PistonHeads ships an update fortnightly, ARK JR every 6 months. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | PistonHeads | ARK JR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pistonheads/id6740866155/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 months |
| Monetization | Free | — |
| Size | 123 MB | 47 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [CarGurus](https://appshunter.io/developer/814517478) | [JR Investments](https://appshunter.io/developer/1558920266) |

## What reviewers say

### PistonHeads

[App page](https://appshunter.io/ios/app/pistonheads/id6740866155)

Discover, buy, and sell performance, premium, and collectible cars. Explore listings with advanced search filters, participate in auctions, and engage with a community of car enthusiasts through forums and news.

**Highlights:** Performance car marketplace, Car auctions, Advanced search filters, Saved search notifications, Car news and reviews, Car enthusiast forums, Exclusive competitions

**Features:** Apple Wallet

**In-app purchases:** none


### ARK JR

[App page](https://appshunter.io/ios/app/ark-jr/id6760458624)

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

**In-app purchases:** none


## Frequently asked questions

### Is PistonHeads free?

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

### Is ARK JR free?

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

### Do PistonHeads or ARK JR have ads?

Neither PistonHeads nor ARK JR shows ads.

### Which is updated more often, PistonHeads or ARK JR?

PistonHeads ships an update fortnightly, and ARK JR every 6 months. Most recently, PistonHeads was updated on October 30, 2026 and ARK JR on October 28, 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.*