# GPD vs IDR Irriga

The clearest difference is update cadence: GPD at monthly against IDR Irriga's every 13 months. On price, ads, in-app purchases and device support there is nothing between them.

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

GPD ships an update monthly, IDR Irriga every 13 months. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | GPD | IDR Irriga |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 13 months |
| Monetization | Free | — |
| Size | 21 MB | 67 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Charles Steinmetz](https://appshunter.io/developer/1514567876) | [Instituto de Desenvolvimento Rural do Parana - IAPAR-EMATER](https://appshunter.io/developer/1486152397) |

## What reviewers say

### GPD

[App page](https://appshunter.io/ios/app/gpd/id1514567877)

This app helps farmers assess planting uniformity by measuring seed spacing. It calculates the Coefficient of Variation (CV%) and analyzes distribution regularity, identifying acceptable spacing, doubles, and skips to improve crop yield.

**Highlights:** Measures seed spacing uniformity, Calculates Coefficient of Variation (CV%), Analyzes distribution regularity (acceptable, doubles, skips), Identifies causes of planting errors, Aids in improving plantability

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

**In-app purchases:** none


### IDR Irriga

[App page](https://appshunter.io/ios/app/idr-irriga/id6740280799)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GPD free?

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

### Is IDR Irriga free?

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

### Do GPD or IDR Irriga have ads?

Neither GPD nor IDR Irriga shows ads.

### Which is updated more often, GPD or IDR Irriga?

GPD ships an update monthly, and IDR Irriga every 13 months. Most recently, GPD was updated on October 24, 2026 and IDR Irriga on October 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.*