# Oz Farmer vs Bayer Spray

The clearest difference is review sentiment: Oz Farmer at 100% against Bayer Spray's 40%. Oz Farmer also leads on iOS requirement (12.0 vs 16.0). Bayer Spray's advantage is price (Free vs $0.99) and update cadence (monthly vs every 14 months). On ads, in-app purchases and device support there is nothing between them.

Bayer Spray is free to download; Oz Farmer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Oz Farmer ships an update every 14 months, Bayer Spray monthly. The most recent releases landed on August 18, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Oz Farmer | Bayer Spray |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[3.8 (58 ratings)](https://appshunter.io/ios/app/bayer-spray/id1186046518/reviews)** |
| Number of ratings | — | **58** |
| Positive reviews | **100.0% of reviews** | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 7 MB | 65 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stealth Productions Limited](https://appshunter.io/developer/571321895) | [Bayer Group](https://appshunter.io/developer/480186736) |

## What reviewers say

### Oz Farmer

[App page](https://appshunter.io/ios/app/oz-farmer/id804310382)

This app helps farmers with daily calculations and record-keeping. It offers tools for spray calibration, chemical treatment tracking with safe slaughter/feed date calculations, a gestation calculator for livestock, and unit conversions.

**Highlights:** Spray calibration tools, Chemical treatment records, Safe slaughter/feed date calculation, Gestation calculator, Unit conversion calculator, Email export of records

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

**In-app purchases:** none


### 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

**In-app purchases:** none


## Frequently asked questions

### Is Oz Farmer free?

Oz Farmer costs $0.99, with no in-app purchases.

### Is Bayer Spray free?

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

### Do Oz Farmer or Bayer Spray have ads?

Neither Oz Farmer nor Bayer Spray shows ads.

### Which is updated more often, Oz Farmer or Bayer Spray?

Oz Farmer ships an update every 14 months, and Bayer Spray monthly. Most recently, Oz Farmer was updated on August 18, 2026 and Bayer Spray on September 22, 2026.

---

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