# MRTN Rate Calculator vs Applicator App

The clearest difference is update cadence: Applicator App at every 2 months against MRTN Rate Calculator's every 5 months. Applicator App also leads on ratings volume (4 vs 1). MRTN Rate Calculator's advantage is iOS requirement (10.0 vs 16.0). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for MRTN Rate Calculator against 5.0 for Applicator App. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

MRTN Rate Calculator ships an update every 5 months, Applicator App every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | MRTN Rate Calculator | Applicator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/mrtn-rate-calculator/id560788301/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/applicator-app/id1601876935/reviews) |
| Number of ratings | 1 | **4** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 57 MB | 75 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [University of Illinois](https://appshunter.io/developer/422670617) | [TECSOIL AUTOMACÃO E SISTEMAS S.A.](https://appshunter.io/developer/1352301298) |

## What reviewers say

### MRTN Rate Calculator

[App page](https://appshunter.io/ios/app/mrtn-rate-calculator/id560788301)

This utility calculates the optimal nitrogen fertilizer rate for crops based on agronomic research and current economic conditions. It provides a customized recommendation to maximize returns.

**Highlights:** Customized nitrogen rate recommendations, Combines agronomic research, Considers economic fluctuations, Maximizes return on investment

**In-app purchases:** none


### Applicator App

[App page](https://appshunter.io/ios/app/applicator-app/id1601876935)

This app helps agricultural operations monitor and optimize fleets of sprayers, spreaders, and tender trucks in real-time. It provides live weather, field hazard previews, and detailed reporting for efficient and compliant applications.

**Highlights:** Real-time fleet monitoring, Live weather conditions, Field hazard preview, Application speed reporting, Tender truck coordination, Digital work order signing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MRTN Rate Calculator free?

MRTN Rate Calculator is free to download, with no in-app purchases.

### Is Applicator App free?

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

### Which has better reviews, MRTN Rate Calculator or Applicator App?

MRTN Rate Calculator and Applicator App are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do MRTN Rate Calculator or Applicator App have ads?

Neither MRTN Rate Calculator nor Applicator App shows ads.

### Which is updated more often, MRTN Rate Calculator or Applicator App?

MRTN Rate Calculator ships an update every 5 months, and Applicator App every 2 months. Most recently, MRTN Rate Calculator was updated on November 1, 2026 and Applicator App on November 3, 2026.

---

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