# Boston Guide and Subway map vs Carr

The clearest difference is iOS requirement: Carr at 12.0 against Boston Guide and Subway map's 17.0. 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.

## The numbers

| Metric | Boston Guide and Subway map | Carr |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | — |
| Size | 93 MB | 64 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Yaroslav Mykolaienko](https://appshunter.io/developer/1711921558) | [Ride Corporation](https://appshunter.io/developer/1520375714) |

## What reviewers say

### Boston Guide and Subway map

[App page](https://appshunter.io/ios/app/boston-guide-and-subway-map/id6720715395)

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

**In-app purchases:** none


### Carr

[App page](https://appshunter.io/ios/app/carr-sync/id6751955712)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Boston Guide and Subway map free?

Boston Guide and Subway map is free to download, with no in-app purchases.

### Is Carr free?

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

### Do Boston Guide and Subway map or Carr have ads?

Neither Boston Guide and Subway map nor Carr shows ads.

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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.*