# Bayer Spray — Bayer Stewardship, Spray Smart

> Agricultural spray application planning and recordkeeping tool for farmers. (iPhone/iPad app by Bayer Aktiengesellschaft.)

- Source: https://appshunter.io/ios/app/bayer-spray/id1186046518 (this page in markdown: same URL + `.md`)
- Developer: [Bayer Aktiengesellschaft](https://appshunter.io/developer/480186736)
- Category: Reference, Utilities
- Price: Free
- Rating: 3.76/5 from 58 App Store ratings · 20 written reviews indexed
- Age rating: 4+
- Requires: iOS 16.0 · 65 MB
- Languages: English
- Released: 2016-12-16
- Data updated: 2026-06-09
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/bayer-spray/id1186046518/reviews.md

## What is Bayer Spray?

The Bayer Spray app helps farmers effectively plan agricultural spray applications for their fields. Download the app. Start your spray planning today. Calculate erosion/runoff mitigation points based on EPA guidelines. Get field-specific weather forecasts — including temperature and inversion risk. Enable the creation and retention of application records.
Forecast Section - Helps you identify weather conditions and inversion risk prior to spray applications.
• Hourly, location-specific forecast of temperature, relative humidity, wind speed (adjusted to 6 feet) and direction, and inversion risk.
• Specific field location inversion-risk forecast.
• The weather forecasts leverage publicly available weather data and models from the National Oceanic and Atmospheric Administration (NOAA) and unique models from Bayer Crop Science’s weather scientists to forecast weather conditions — including the likelihood of an inversion — that help growers and applicators planning to spray a pesticide.
Fields Section (Formerly Location) - Allows for application planning at the field level.
• The list of saved fields provides information on any mitigation points calculated, as well as certain application risks for upcoming planned applications.
• NEW alerts help applicators understand how to plan for compliant sprays on their unique fields.
Compliance Section - A new addition to the app that provides a runoff/erosion mitigation calculator to help farmers and applicators plan applications.
• The calculator keeps a running total of mitigation points (by field) accumulated as the form is completed.
• Calculations can be completed for multiple fields at a time.
• Save, edit, and share field-specific calculations to track compliance.
SprayLog Section (Formerly Record) - Helps applicators with mandatory dicamba recordkeeping requirements.
• Elements required by the federal OTT dicamba product label are included to enable greater ease of use.
• Applicators can save and export field records.
• The information you enter in the application records is stored on your mobile device.
Information provided by the Bayer Spray app is for planning purposes only, and is not a substitute for reading and following all pesticide label directions. It is the applicator's responsibility to comply with all laws relevant to the applicator's farming operation, including pesticide label compliance.

## Key features

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

## Recent user reviews (10 of 20)

All indexed reviews: https://appshunter.io/ios/app/bayer-spray/id1186046518/reviews.md

### 1/5 — Login

*2026-05-23*

I can’t log into this app. It won’t let me accept the disclaimer.

### 4/5 — Could be better

*2023-06-19*

Needs more info that will auto fill from the profile page. The sensitive registry consulted needs to b on the profile page. I like the weather info and the auto loading Chemical names with epa numbers

### 2/5 — Good idea

*2023-03-11*

This app is extremely helpful, however you have to go through a whole process of click ok and read the terms and what not just to check the weather.

### 1/5 — Rrxtend spray app

*2022-06-28*

It won’t work on my iphone now

### 1/5 — Location Disabled

*2022-05-30*

My app won’t let me locate myself.

### 2/5 — Isn’t working

*2022-04-20*

Cool app just hard to get the weather to work

### 5/5 — Awesome app

*2021-06-20*

It is awesome use it and record keeping everyday

### 1/5 — Junk

*2021-06-01*

App is junk does not work well

### 5/5 — Handy tool

*2021-04-20*

I find the weather forecast tool useful for determining when to spray. It shows the wind speed and probability of inversion at each chosen field in one handy screen.

### 1/5 — Pointless

*2020-06-02*

This app keeps freezing and is not very usable. It shows a high inversion potential nearly every night anywhere near spraying season-what is the benefit of looking at it. I am checking the forecast at the airport that has a weather station there and the app and the weather station are recording current wind speed differences of about 20mph-similar differences for their forecasted wind speeds.

## Frequently asked questions about Bayer Spray

### What does the Bayer Spray app do?

The Bayer Spray app helps farmers and agricultural applicators plan their spray applications. It offers field-specific weather forecasts, including inversion risk, and calculates erosion/runoff mitigation points to ensure compliance with EPA guidelines. It also aids in mandatory recordkeeping for pesticide applications.

### What are the key features of the Bayer Spray app?

Key features include hourly, location-specific weather forecasts adjusted for 6 feet, a specific field location inversion-risk forecast, an erosion/runoff mitigation calculator based on EPA guidelines, and a SprayLog section for mandatory recordkeeping, including elements required by the federal OTT dicamba product label.

### Is the Bayer Spray app free to use?

Yes, the Bayer Spray app is available for free. There are no in-app purchases or advertisements mentioned in the provided description.

### Who is the target audience for this app?

This app is designed for farmers and agricultural applicators who need to plan and manage their pesticide spray applications. It is particularly useful for those who need to comply with specific regulations and recordkeeping requirements.

### How does the app help with compliance?

The app assists with compliance in two main ways: by providing detailed weather forecasts to help avoid spraying under risky conditions like inversions, and by offering a runoff/erosion mitigation calculator that helps farmers accumulate mitigation points based on EPA guidelines for their specific fields.

## Version history (last 5 releases)

### 4.2.17 — 2026-05-26

Updated SprayLog Overhaul

### 4.2.16 — 2026-04-23

Minor Bug fix

### 4.2.15 — 2026-04-03

Some minor enhancements

### 4.2.14 — 2026-03-12

Updated Spray log

### 4.2.13 — 2026-02-26

We're thrilled to bring you a completely refreshed experience with our latest update!

Introducing the new Bayer Spray App! We've given the entire application a fresh look, including a new name and icon. This rebrand, along with the integration of Stryax Requirements (including critical dicamba temperature alerts), reflects our evolving commitment to supporting your needs.
New Compliance Section: Navigate label requirements with confidence! Our brand-new Compliance section now includes the Runoff/Erosion Mitigation Calculator, offering the ability to calculate for multiple fields, and to store and share your calculation results.
Clearer Navigation: We've updated key section names for improved clarity: 
'Locations' is now 'Fields'.
'Records' is now 'SprayLog'. This helps differentiate compliance recordkeeping from application recordkeeping. Please note: The ability to create new SprayLog records is temporarily paused as we integrate requirements from new product labels. You can still view and manage your existing records.
Revamped Resources: Our Resources section has been completely redesigned! It now offers up-to-date information on application requirements and streamlined ways to connect directly with Bayer for support as you manage your operations.

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All apps by Bayer Aktiengesellschaft: https://appshunter.io/developer/480186736

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-09.*