# GreatPlainsAg vs Unit Board

The clearest difference is update cadence: Unit Board at every 11 days against GreatPlainsAg's every 5 months. Unit Board also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

GreatPlainsAg ships an update every 5 months, Unit Board every 11 days. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | GreatPlainsAg | Unit Board |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/greatplainsag/id6452800945/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 11 days** |
| Monetization | Free | — |
| Size | 74 MB | 43 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Great Plains Ag](https://appshunter.io/developer/1699028878) | [Adam Stanford](https://appshunter.io/developer/513433424) |

## What reviewers say

### GreatPlainsAg

[App page](https://appshunter.io/ios/app/greatplainsag/id6452800945)

Manage and maintain your agricultural drills with this app. It offers a step-by-step calibration assistant with calculations and validation for improved accuracy. Access equipment history and find local dealers.

**Highlights:** Manage all drills in one place, Step-by-step calibration assistant, Calibration calculations and validation, View calibration history, Find and contact local dealers

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

**In-app purchases:** none


### Unit Board

[App page](https://appshunter.io/ios/app/unit-board/id6761447039)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GreatPlainsAg free?

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

### Is Unit Board free?

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

### Do GreatPlainsAg or Unit Board have ads?

Neither GreatPlainsAg nor Unit Board shows ads.

### Which is updated more often, GreatPlainsAg or Unit Board?

GreatPlainsAg ships an update every 5 months, and Unit Board every 11 days. Most recently, GreatPlainsAg was updated on October 24, 2026 and Unit Board on October 9, 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.*