# Construction vs YiYa

The clearest difference is in-app purchases: Construction at none against YiYa's 1. Construction also leads on ads (none vs shown) and update cadence (every 6 weeks vs every 5 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. YiYa sells 1 in-app purchase, starting at $7.99 per month. Construction asks for nothing beyond the download.

Construction ships an update every 6 weeks, YiYa every 5 months. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Construction | YiYa |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 5 months |
| Monetization | Free | — |
| Size | 10 MB | 40 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [built t  GmbH](https://appshunter.io/developer/1477507834) | [帅 高](https://appshunter.io/developer/1480352944) |

## What reviewers say

### Construction

[App page](https://appshunter.io/ios/app/construction/id1477507835)

This app provides an interactive, map-based platform for construction project management. It allows users to record quality issues, document performance, and link data to specific elements for improved documentation and project oversight.

**Highlights:** Interactive map-based project control, Record quality issues and localized information, Document performance statuses, Create and manage project elements, Distribute responsibilities and feedback, Release tasks

**In-app purchases:** none


### YiYa

[App page](https://appshunter.io/ios/app/yiya/id6446131425)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| YiYa Monthly Vip | $7.99 | per month |


## Frequently asked questions

### Is Construction free?

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

### Is YiYa free?

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

### Do Construction or YiYa have ads?

YiYa shows ads; Construction does not.

### Which is updated more often, Construction or YiYa?

Construction ships an update every 6 weeks, and YiYa every 5 months. Most recently, Construction was updated on October 5, 2026 and YiYa on October 6, 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.*