# OnMRK

> Fertilizer application record keeper with weather and geolocation features. (iPhone/iPad app by Jordan Hoewischer.)

- Source: https://appshunter.io/ios/app/onmrk/id1038980357 (this page in markdown: same URL + `.md`)
- Developer: [Jordan Hoewischer](https://appshunter.io/developer/1135010420)
- Category: Utilities, Business
- Price: Free
- Rating: 4.33/5 from 3 App Store ratings
- Age rating: 4+
- Requires: iOS 13.0 · 41 MB
- Languages: English
- Released: 2015-11-19
- Data updated: 2026-06-11
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/onmrk/id1038980357/reviews.md

## What is OnMRK?

OnMRK (Ohio Nutrient Managemnt Record Keeper) allows fertilizer applicator(s) to enter the fertilizer type, rate, amount applied, total acres, soil conditions, application method, weather conditions when applied, using a tablet or smartphone.  OnMRK allows applicator to enter Farms and Fields and their locations.  OnMRK uses GEO location settings to provide weather information for the area providing feedback to identify appropriate conditions to apply fertilizer.

## Key features

- Record fertilizer application details
- Manage farms and fields
- Geolocation for weather information
- Track soil and weather conditions
- Input application method and rate


## Frequently asked questions about OnMRK

### What is OnMRK used for?

OnMRK is used by fertilizer applicators to record details of fertilizer applications, including type, rate, acres, soil, and weather conditions. It also provides weather information based on geolocation for optimal application timing.

### Is OnMRK free to use?

Yes, OnMRK is available for free. It does not require any payment to download or use its features.

### What devices support OnMRK?

OnMRK is supported on iPhone, iPad, and iPod devices. It is designed for mobile use in the field.

### How often is OnMRK updated?

The latest version of OnMRK is 1.3.9, which was last updated on April 14, 2023. This indicates regular maintenance and updates.

### What is the age rating for OnMRK?

OnMRK has an age rating of 4+, making it suitable for a wide range of users, including younger individuals involved in agricultural record-keeping.

### Does OnMRK have ads?

No, OnMRK does not contain advertisements. Users can manage their fertilizer records without interruption.

### Can OnMRK track different fertilizer types?

Yes, the app allows applicators to enter the specific fertilizer type being applied, along with other crucial details like rate and amount.

### How does OnMRK help with application conditions?

OnMRK uses geolocation to provide current weather information for the application area. This feedback helps users identify appropriate conditions for applying fertilizer.

## Version history (last 5 releases)

### 1.3.9 — 2023-04-14

Fix Google Maps issues

### 1.3.8 — 2023-03-31

Added link to join the Ohio Farm Bureau

### 1.3.0 — 2017-02-17

This app has been updated by Apple to display the Apple Watch app icon.

* Login with your User Name and Password
* Register within the app
* Email reports

### 1.2.0 — 2016-03-10

- Includes Privacy Policy
- Updated Forecast.io API Key
- Firebase Sync Updates
- Weather Temp Update
- Minor Bug Fixes

### 1.0.1 — 2015-11-19

No release notes.

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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 2026-06-11.*