# Limnos vs Boston Guide and Subway map

The clearest difference is update cadence: Limnos at fortnightly against Boston Guide and Subway map's every 24 months. Limnos also leads on iOS requirement (8.0 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.

Limnos ships an update fortnightly, Boston Guide and Subway map every 24 months. The most recent releases landed on October 26, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Limnos | Boston Guide and Subway map |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 24 months |
| Size | 47 MB | 93 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Life Think](https://appshunter.io/developer/433399721) | [Yaroslav Mykolaienko](https://appshunter.io/developer/1711921558) |

## What reviewers say

### Limnos

[App page](https://appshunter.io/ios/app/limnos/id1114901429)

**Features:** macOS Compatibility

**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 Limnos free?

Limnos 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 Limnos or Boston Guide and Subway map have ads?

Neither Limnos nor Boston Guide and Subway map shows ads.

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

Limnos ships an update fortnightly, and Boston Guide and Subway map every 24 months. Most recently, Limnos was updated on October 26, 2026 and Boston Guide and Subway map on October 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.*