# Ground Spray vs Simple

The clearest difference is update cadence: Simple at every 8 days against Ground Spray's every 12 months. Ground Spray's advantage is iOS requirement (9.3 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.

Ground Spray ships an update every 12 months, Simple every 8 days. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Ground Spray | Simple |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ground-spray/id528759748/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 8 days** |
| Monetization | Free | — |
| Size | 10 MB | 44 MB |
| Requires iOS | **9.3** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [University of Nebraska - Lincoln](https://appshunter.io/developer/317236993) | [Programini](https://appshunter.io/developer/1764539386) |

## What reviewers say

### Ground Spray

[App page](https://appshunter.io/ios/app/ground-spray/id528759748)

This utility app helps custom applicators and growers predict spray quality and droplet size spectrum before application. It uses research data to calculate spray characteristics based on user-inputted parameters like nozzle type and pressure, aiding in pesticide efficacy and drift mitigation.

**Highlights:** Predict spray quality, Calculate droplet size spectrum, Input nozzle type, angle, orifice size, pressure, Save and email results, Mitigate pesticide drift, Access up-to-date spray quality information

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple

[App page](https://appshunter.io/ios/app/simple-timesheet/id6759596709)

**In-app purchases:** none


## Frequently asked questions

### Is Ground Spray free?

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

### Is Simple free?

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

### Do Ground Spray or Simple have ads?

Neither Ground Spray nor Simple shows ads.

### Which is updated more often, Ground Spray or Simple?

Ground Spray ships an update every 12 months, and Simple every 8 days. Most recently, Ground Spray was updated on October 5, 2026 and Simple on October 8, 2026.

---

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