# Pet2Go vs Boston Guide and Subway map

The clearest difference is update cadence: Pet2Go at every 8 days against Boston Guide and Subway map's every 24 months. Pet2Go also leads on iOS requirement (15.0 vs 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.

Pet2Go ships an update every 8 days, Boston Guide and Subway map every 24 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Pet2Go | Boston Guide and Subway map |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 24 months |
| Size | 38 MB | 93 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yongji Chen](https://appshunter.io/developer/1798605449) | [Yaroslav Mykolaienko](https://appshunter.io/developer/1711921558) |

## What reviewers say

### Pet2Go

[App page](https://appshunter.io/ios/app/pet2go/id6590631440)

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Pet2Go free?

Pet2Go is free to download, with no in-app purchases.

### Is Boston Guide and Subway map free?

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

### Do Pet2Go or Boston Guide and Subway map have ads?

Neither Pet2Go nor Boston Guide and Subway map shows ads.

### Which is updated more often, Pet2Go or Boston Guide and Subway map?

Pet2Go ships an update every 8 days, and Boston Guide and Subway map every 24 months. Most recently, Pet2Go was updated on November 4, 2026 and Boston Guide and Subway map on October 30, 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.*