# City Bus. vs Construction Guru

The clearest difference is in-app purchases: City Bus. at none against Construction Guru's 1. City Bus. also leads on iOS requirement (15.1 vs 17.0). Construction Guru's advantage is update cadence (daily vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Construction Guru sells 1 one-off in-app purchase. City Bus. asks for nothing beyond the download.

City Bus. ships an update every 3 weeks, Construction Guru daily. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | City Bus. | Construction Guru |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/construction-guru/id6761443502/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | — | Paid |
| Size | 26 MB | 4 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RAMA INFOTECH PRIVATE LIMITED](https://appshunter.io/developer/1222856290) | [Jaime McGauley](https://appshunter.io/developer/1814207689) |

## What reviewers say

### City Bus.

[App page](https://appshunter.io/ios/app/city-bus/id1626451731)

**Features:** macOS Compatibility

**In-app purchases:** none


### Construction Guru

[App page](https://appshunter.io/ios/app/construction-guru/id6761443502)

This comprehensive construction calculator offers a suite of tools for measurements, framing, and trigonometry. It provides visual previews, code compliance checks, and offline functionality, all accessible through a one-time purchase.

**Highlights:** Feet-inch-fraction math, Framing and rafter calculations, Unit conversions, Trigonometry functions, Code compliance checks, Offline functionality, Visual layout previews

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access Unlock | $19.99 | one-time |


## Frequently asked questions

### Is City Bus. free?

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

### Is Construction Guru free?

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

### Do City Bus. or Construction Guru have ads?

Neither City Bus. nor Construction Guru shows ads.

### Which is updated more often, City Bus. or Construction Guru?

City Bus. ships an update every 3 weeks, and Construction Guru daily. Most recently, City Bus. was updated on November 3, 2026 and Construction Guru on November 5, 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.*