# Metro Connect vs Underline

The clearest difference is in-app purchases: Metro Connect at none against Underline's 1. Metro Connect also leads on iOS requirement (13.0 vs 17.0). Underline's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Underline sells 1 one-off in-app purchase. Metro Connect asks for nothing beyond the download.

## The numbers

| Metric | Metro Connect | Underline |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (7 ratings)](https://appshunter.io/ios/app/metro-connect-train-simulator/id6462400519/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | — |
| Monetization | Ad-supported | — |
| Size | 107 MB | 815 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Playnoob](https://appshunter.io/developer/1627222754) | [Harry Attenborough](https://appshunter.io/developer/1896491884) |

## What reviewers say

### Metro Connect

[App page](https://appshunter.io/ios/app/metro-connect-train-simulator/id6462400519)

Build and manage your own subway empire by designing intricate lines, connecting stations, and upgrading them for efficiency. Experience satisfying gameplay with numerous trains and explore dozens of states in this city-building simulation.

**Highlights:** Build and upgrade metro networks, Optimize train routes and passenger flow, Connect stations strategically, Satisfying display of long trains, Dozens of states to explore, Simple and intuitive controls

**Features:** macOS Compatibility

**In-app purchases:** none


### Underline

[App page](https://appshunter.io/ios/app/underline-metro-builder/id6805291888)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Everything | $4.99 | one-time |


## Frequently asked questions

### Is Metro Connect free?

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

### Is Underline free?

Underline is free to download, with in-app purchases available.

### Do Metro Connect or Underline have ads?

Metro Connect shows ads; Underline does not.

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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.*