# Power Train vs Square and Circular

Power Train and Square and Circular are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Power Train ships an update every 12 months, Square and Circular every 9 months. The most recent releases landed on September 13, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Power Train | Square and Circular |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/power-train/id910248644/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 9 months** |
| Monetization | Free | — |
| Size | 29 MB | 18 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [国财 胡](https://appshunter.io/developer/796061213) | [娟 杜](https://appshunter.io/developer/974748350) |

## What reviewers say

### Power Train

[App page](https://appshunter.io/ios/app/power-train/id910248644)

Control a virtual train to navigate tracks and reach destinations. This simulation game offers increasingly challenging levels that require careful planning and smooth operation to avoid accidents. Experience realistic physics and a beautiful interface as you test your driving skills.

**Highlights:** Train driving simulation, Realistic physics, Challenging levels, Track navigation, Beautiful interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Square and Circular

[App page](https://appshunter.io/ios/app/square-and-circular/id1068916272)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Power Train free?

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

### Is Square and Circular free?

Square and Circular is free to download, with no in-app purchases.

### Do Power Train or Square and Circular have ads?

Neither Power Train nor Square and Circular shows ads.

### Which is updated more often, Power Train or Square and Circular?

Power Train ships an update every 12 months, and Square and Circular every 9 months. Most recently, Power Train was updated on September 13, 2026 and Square and Circular on September 20, 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.*