# Growing Degree Days Calculator vs LeafTech Ag

The clearest difference is rating: LeafTech Ag at 5.0 against Growing Degree Days Calculator's 1.0. LeafTech Ag also leads on update cadence (every 2 months vs every 44 months). Growing Degree Days Calculator's advantage is ratings volume (3 vs 1) and iOS requirement (12.2 vs 18). On price, ads, in-app purchases and monetization model there is nothing between them.

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

LeafTech Ag holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Growing Degree Days Calculator ships an update every 44 months, LeafTech Ag every 2 months. The most recent releases landed on November 2, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Growing Degree Days Calculator | LeafTech Ag |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (3 ratings)](https://appshunter.io/ios/app/growing-degree-days-calculator/id1177131484/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/leaftech-ag/id6446652602/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 44 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 6 MB | 72 MB |
| Requires iOS | **12.2** | 18 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Oklahoma State University](https://appshunter.io/developer/393442180) | [John Mascoe](https://appshunter.io/developer/1677581203) |

## What reviewers say

### Growing Degree Days Calculator

[App page](https://appshunter.io/ios/app/growing-degree-days-calculator/id1177131484)

Calculate growing degree days for various crops using your zip code to retrieve temperature data. This tool aids producers in winter wheat and canola management strategies, offering cumulative GDD calculations for multiple crops.

**Highlights:** Growing Degree Day calculation, Crop-specific GDD tracking, Temperature data retrieval via zip code, Supports winter wheat and canola, Cumulative GDD calculator, Sensor Based Nitrogen Management support

**Features:** macOS Compatibility

**In-app purchases:** none


### LeafTech Ag

[App page](https://appshunter.io/ios/app/leaftech-ag/id6446652602)

This application serves as an interface for a specific agricultural scanner. It allows users to connect with and operate the scanner for its intended agricultural functions.

**Highlights:** Scanner interfacing, Agricultural data management, Device connectivity, Utility functions

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

**In-app purchases:** none


## Frequently asked questions

### Is Growing Degree Days Calculator free?

Growing Degree Days Calculator is free to download, with no in-app purchases.

### Is LeafTech Ag free?

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

### Which has better reviews, Growing Degree Days Calculator or LeafTech Ag?

LeafTech Ag is rated higher. Growing Degree Days Calculator averages 1.0 out of 5 from 3 ratings, while LeafTech Ag averages 5.0 from 1 ratings.

### Do Growing Degree Days Calculator or LeafTech Ag have ads?

Neither Growing Degree Days Calculator nor LeafTech Ag shows ads.

### Which is updated more often, Growing Degree Days Calculator or LeafTech Ag?

Growing Degree Days Calculator ships an update every 44 months, and LeafTech Ag every 2 months. Most recently, Growing Degree Days Calculator was updated on November 2, 2026 and LeafTech Ag on November 12, 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.*