# City Construct Duty Simulator vs BrainCalcu

The clearest difference is update cadence: BrainCalcu at daily against City Construct Duty Simulator's every 2 months. City Construct Duty Simulator's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

City Construct Duty Simulator ships an update every 2 months, BrainCalcu daily. The most recent releases landed on October 23, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | City Construct Duty Simulator | BrainCalcu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (4 ratings)](https://appshunter.io/ios/app/city-construct-duty-simulator/id1438383721/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Ad-supported | — |
| Size | 513 MB | 5 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 17+ |
| Developer | [Raheel Kayani](https://appshunter.io/developer/1240894370) | [Ghassan Jaam](https://appshunter.io/developer/1071543938) |

## What reviewers say

### City Construct Duty Simulator

[App page](https://appshunter.io/ios/app/city-construct-duty-simulator/id1438383721)

Operate heavy machinery like excavators and cranes to complete construction projects and build a city. Experience realistic driving mechanics and a variety of challenging missions in immersive 3D environments.

**Highlights:** Realistic heavy machine driving, Variety of construction missions, Smooth vehicle controls, Immersive 3D environments, Progressively challenging levels

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

**In-app purchases:** none


### BrainCalcu

[App page](https://appshunter.io/ios/app/braincalcu/id6670341205)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is City Construct Duty Simulator free?

City Construct Duty Simulator is free to download, with no in-app purchases.

### Is BrainCalcu free?

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

### Do City Construct Duty Simulator or BrainCalcu have ads?

Both City Construct Duty Simulator and BrainCalcu show ads.

### Which is updated more often, City Construct Duty Simulator or BrainCalcu?

City Construct Duty Simulator ships an update every 2 months, and BrainCalcu daily. Most recently, City Construct Duty Simulator was updated on October 23, 2026 and BrainCalcu on October 10, 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.*