# Bayer Spray vs greenbook.net

The clearest difference is ads: Bayer Spray at none against greenbook.net's shown. Bayer Spray also leads on iOS requirement (16.0 vs 26.0). 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.

Bayer Spray ships an update monthly, greenbook.net fortnightly. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Bayer Spray | greenbook.net |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (59 ratings)](https://appshunter.io/ios/app/bayer-spray/id1186046518/reviews)** | — |
| Number of ratings | **59** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free | — |
| Size | 67 MB | 58 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bayer Group](https://appshunter.io/developer/480186736) | [SemiosBio Technologies Inc.](https://appshunter.io/developer/1081642709) |

## What reviewers say

### Bayer Spray

[App page](https://appshunter.io/ios/app/bayer-spray/id1186046518)

This app assists farmers in planning agricultural spray applications. It provides field-specific weather forecasts, calculates erosion and runoff mitigation points based on EPA guidelines, and helps with mandatory recordkeeping for pesticide applications.

**Highlights:** Field-specific weather forecasts, Inversion risk assessment, Erosion/runoff mitigation calculator, EPA guideline compliance, Application recordkeeping, Dicamba recordkeeping support

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

**In-app purchases:** none


### greenbook.net

[App page](https://appshunter.io/ios/app/greenbooknet/id6773945687)

**In-app purchases:** none


## Frequently asked questions

### Is Bayer Spray free?

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

### Is greenbook.net free?

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

### Do Bayer Spray or greenbook.net have ads?

greenbook.net shows ads; Bayer Spray does not.

### Which is updated more often, Bayer Spray or greenbook.net?

Bayer Spray ships an update monthly, and greenbook.net fortnightly. Most recently, Bayer Spray was updated on November 2, 2026 and greenbook.net on October 31, 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.*