# GPD vs Orion Hub

The clearest difference is update cadence: Orion Hub at weekly against GPD's monthly. Orion Hub also leads on iOS requirement (13.0 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 monthly, Orion Hub weekly. The most recent releases landed on November 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | GPD | Orion Hub |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free | — |
| Size | 21 MB | 36 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Charles Steinmetz](https://appshunter.io/developer/1514567876) | [Cygni Agrociencia Ltda.](https://appshunter.io/developer/1752768196) |

## 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


### Orion Hub

[App page](https://appshunter.io/ios/app/orion-hub/id6787121857)

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

**In-app purchases:** none


## Frequently asked questions

### Is GPD free?

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

### Is Orion Hub free?

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

### Do GPD or Orion Hub have ads?

Neither GPD nor Orion Hub shows ads.

### Which is updated more often, GPD or Orion Hub?

GPD ships an update monthly, and Orion Hub weekly. Most recently, GPD was updated on November 3, 2026 and Orion Hub on October 8, 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.*