# Construction Master Pro vs Prep

The clearest difference is in-app purchases: Prep at none against Construction Master Pro's 2. Construction Master Pro's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Construction Master Pro sells 2 in-app purchases, starting at $199.00 per month. Prep asks for nothing beyond the download.

Construction Master Pro ships an update every 3 weeks, Prep every 3 months. The most recent releases landed on September 18, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Construction Master Pro | Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 46 MB | 60 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hashme Media Inc](https://appshunter.io/developer/1702122783) | [PrepU LLC](https://appshunter.io/developer/1847679605) |

## What reviewers say

### Construction Master Pro

[App page](https://appshunter.io/ios/app/construction-master-pro/id6460690202)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO PLAN | $199.00 | per month |
| ENTERPRISE PLAN | $349.00 | per month |


### Prep

[App page](https://appshunter.io/ios/app/prep-u/id6754291886)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Construction Master Pro free?

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

### Is Prep free?

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

### Do Construction Master Pro or Prep have ads?

Neither Construction Master Pro nor Prep shows ads.

### Which is updated more often, Construction Master Pro or Prep?

Construction Master Pro ships an update every 3 weeks, and Prep every 3 months. Most recently, Construction Master Pro was updated on September 18, 2026 and Prep on September 19, 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.*