# Zonai Construct vs Irrigation Calculator Pro

The clearest difference is update cadence: Zonai Construct at fortnightly against Irrigation Calculator Pro's every 6 weeks. Zonai Construct also leads on iOS requirement (15.0 vs 18.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Zonai Construct sells 1 one-off in-app purchase and Irrigation Calculator Pro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Zonai Construct ships an update fortnightly, Irrigation Calculator Pro every 6 weeks. The most recent releases landed on August 15, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Zonai Construct | Irrigation Calculator Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (9 ratings)](https://appshunter.io/ios/app/zonai-construct/id6450944939/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 196 MB | 3 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [紫晴 王](https://appshunter.io/developer/1596396665) | [Cederic Schmid](https://appshunter.io/developer/1833020611) |

## What reviewers say

### Zonai Construct

[App page](https://appshunter.io/ios/app/zonai-construct/id6450944939)

This companion app provides interactive maps for a popular adventure game, featuring Sky, Surface, and Underground views. Easily search for in-game markers by category and synchronize your data with iCloud for seamless access across devices.

**Highlights:** Interactive Sky, Surface, and Underground maps, Marker search by category, iCloud data synchronization, Global marker name search, In-app feedback option

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime | Free | one-time |


### Irrigation Calculator Pro

[App page](https://appshunter.io/ios/app/irrigation-calculator-pro/id6751106220)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Unlock | $3.99 | one-time |


## Frequently asked questions

### Is Zonai Construct free?

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

### Is Irrigation Calculator Pro free?

Irrigation Calculator Pro is free to download, with in-app purchases available.

### Do Zonai Construct or Irrigation Calculator Pro have ads?

Neither Zonai Construct nor Irrigation Calculator Pro shows ads.

### Which is updated more often, Zonai Construct or Irrigation Calculator Pro?

Zonai Construct ships an update fortnightly, and Irrigation Calculator Pro every 6 weeks. Most recently, Zonai Construct was updated on August 15, 2026 and Irrigation Calculator Pro on September 25, 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.*