# Bridge Builder Simulator 2021 vs City Train Tracks Construction

The clearest difference is rating: City Train Tracks Construction at 4.9 against Bridge Builder Simulator 2021's 3.3. Bridge Builder Simulator 2021's advantage is in-app purchases (none vs 8) and iOS requirement (9.0 vs 12.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. City Train Tracks Construction sells 8 one-off in-app purchases. Bridge Builder Simulator 2021 asks for nothing beyond the download.

City Train Tracks Construction holds the better App Store score, 4.9 against 3.3. Both are backed by a comparable volume of ratings — 3 and 7 respectively.

Bridge Builder Simulator 2021 ships an update every 17 months, City Train Tracks Construction every 10 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Bridge Builder Simulator 2021 | City Train Tracks Construction |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (3 ratings)](https://appshunter.io/ios/app/bridge-builder-simulator-2021/id1369107359/reviews) | **[4.9 (7 ratings)](https://appshunter.io/ios/app/city-train-tracks-construction/id1599132217/reviews)** |
| Number of ratings | 3 | **7** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 17 months | **Every 10 months** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 135 MB | 150 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Muhammad Asif](https://appshunter.io/developer/1340241481) | [Muhammad Ahmed Zubair](https://appshunter.io/developer/1579354073) |

## What reviewers say

### Bridge Builder Simulator 2021

[App page](https://appshunter.io/ios/app/bridge-builder-simulator-2021/id1369107359)

Build bridges and roads using various construction machinery. This game lets you experience the process of developing and constructing bridges with cranes and other tools.

**Highlights:** Bridge development and construction, Use of different machinery, Crane operation for road building, 3D simulation environment

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

**In-app purchases:** none


### City Train Tracks Construction

[App page](https://appshunter.io/ios/app/city-train-tracks-construction/id1599132217)

Build intricate railway systems in a 3D city environment. Operate heavy machinery, design your dream city, and construct roads and stations in this engaging construction simulator.

**Highlights:** 3D railway track construction, Operate heavy machinery, Design and build city infrastructure, Multiple game modes, Numerous levels and vehicles, High-level 3D graphics

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get 2,000 Coins | $0.99 | one-time |
| Get 5,000 Coins | $1.99 | one-time |
| Get 10,000 Coins | $2.99 | one-time |
| Remove Ads (50% OFF) | $2.99 | one-time |
| Get 50,000 Coins | $3.99 | one-time |
| Unlock All Levels ( 30% OFF) | $9.99 | one-time |
| Unlock All Machine And Vehicle | $9.99 | one-time |
| Unlock EVERYTHING( 50% OFF) | $19.99 | one-time |


## Frequently asked questions

### Is Bridge Builder Simulator 2021 free?

Bridge Builder Simulator 2021 is free to download, with no in-app purchases.

### Is City Train Tracks Construction free?

City Train Tracks Construction is free to download, with in-app purchases available.

### Which has better reviews, Bridge Builder Simulator 2021 or City Train Tracks Construction?

City Train Tracks Construction is rated higher. Bridge Builder Simulator 2021 averages 3.3 out of 5 from 3 ratings, while City Train Tracks Construction averages 4.9 from 7 ratings.

### Do Bridge Builder Simulator 2021 or City Train Tracks Construction have ads?

Both Bridge Builder Simulator 2021 and City Train Tracks Construction show ads.

### Which is updated more often, Bridge Builder Simulator 2021 or City Train Tracks Construction?

Bridge Builder Simulator 2021 ships an update every 17 months, and City Train Tracks Construction every 10 months. Most recently, Bridge Builder Simulator 2021 was updated on November 2, 2026 and City Train Tracks Construction on November 3, 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.*