# GPD vs IGA

The clearest difference is update cadence: IGA at every 4 weeks against GPD's every 2 months. IGA also leads on iOS requirement (12.4 vs 15.0). 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 every 2 months, IGA every 4 weeks. The most recent releases landed on October 5, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | GPD | IGA |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 20 MB | 26 MB |
| Requires iOS | 15.0 | **12.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Charles Steinmetz](https://appshunter.io/developer/1514567876) | [Tecnobit Sistemas](https://appshunter.io/developer/1298153980) |

## 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


### IGA

[App page](https://appshunter.io/ios/app/iga/id1570166302)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GPD free?

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

### Is IGA free?

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

### Do GPD or IGA have ads?

Neither GPD nor IGA shows ads.

### Which is updated more often, GPD or IGA?

GPD ships an update every 2 months, and IGA every 4 weeks. Most recently, GPD was updated on October 5, 2026 and IGA on October 1, 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.*