# GPD vs SpraySaver

The clearest difference is ads: GPD at none against SpraySaver's shown. SpraySaver's advantage is iOS requirement (10.0 vs 15.0). On price, update cadence, 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, SpraySaver fortnightly. The most recent releases landed on October 22, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | GPD | SpraySaver |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free | — |
| Size | 21 MB | 91 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Charles Steinmetz](https://appshunter.io/developer/1514567876) | [Teejet Technologies South America Produtos Agricolas Ltda.](https://appshunter.io/developer/1555760947) |

## 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


### SpraySaver

[App page](https://appshunter.io/ios/app/spraysaver/id1555760915)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GPD free?

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

### Is SpraySaver free?

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

### Do GPD or SpraySaver have ads?

SpraySaver shows ads; GPD does not.

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

GPD ships an update monthly, and SpraySaver fortnightly. Most recently, GPD was updated on October 22, 2026 and SpraySaver on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*