# MRTN Rate Calculator vs HooverCSApp

The clearest difference is update cadence: HooverCSApp at monthly against MRTN Rate Calculator's every 5 months. HooverCSApp also leads on ratings volume (3 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 HooverCSApp. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

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

## The numbers

| Metric | MRTN Rate Calculator | HooverCSApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/mrtn-rate-calculator/id560788301/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/hoovercsapp/id1582290669/reviews) |
| Number of ratings | 1 | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free | Free |
| Size | 57 MB | 57 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) | [Hoover Container Solutions](https://appshunter.io/developer/663273960) |

## 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


### HooverCSApp

[App page](https://appshunter.io/ios/app/hoovercsapp/id1582290669)

Access and manage your tank inventory and fleet assets from your mobile device. View important tank information, scan barcodes to update locations, and track assets in real-time with GPS. Optimize your business operations with this comprehensive utility app.

**Highlights:** View tank information, Access FleetAI and Washline, Scan barcodes for asset tracking, Update asset locations, Real-time asset visualization, GPS asset tracking

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

**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 HooverCSApp free?

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

### Which has better reviews, MRTN Rate Calculator or HooverCSApp?

MRTN Rate Calculator and HooverCSApp are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do MRTN Rate Calculator or HooverCSApp have ads?

Neither MRTN Rate Calculator nor HooverCSApp shows ads.

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

MRTN Rate Calculator ships an update every 5 months, and HooverCSApp monthly. Most recently, MRTN Rate Calculator was updated on November 1, 2026 and HooverCSApp on November 3, 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.*