# GPD vs 3SAT Driver

The clearest difference is update cadence: 3SAT Driver at every 3 weeks against GPD's every 2 months. On price, review sentiment, ads and in-app purchases 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, 3SAT Driver every 3 weeks. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | GPD | 3SAT Driver |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 20 MB | 48 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Charles Steinmetz](https://appshunter.io/developer/1514567876) | [3SAT TECNOLOGIA LTDA](https://appshunter.io/developer/1595497266) |

## 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


### 3SAT Driver

[App page](https://appshunter.io/ios/app/3sat-driver/id1595497174)

This application is designed for registered drivers within the 3SAT Tecnologia system. It provides a platform for drivers to access and manage their information and tasks related to the 3SAT network.

**Highlights:** For registered 3SAT drivers, System integration, Task management

**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 3SAT Driver free?

3SAT Driver is free to download, with no in-app purchases.

### Do GPD or 3SAT Driver have ads?

Neither GPD nor 3SAT Driver shows ads.

### Which is updated more often, GPD or 3SAT Driver?

GPD ships an update every 2 months, and 3SAT Driver every 3 weeks. Most recently, GPD was updated on October 5, 2026 and 3SAT Driver on October 12, 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.*