# GDU Calculator vs FieldAlytics Mobile

The clearest difference is rating: FieldAlytics Mobile at 4.0 against GDU Calculator's 2.5. FieldAlytics Mobile also leads on review sentiment (50% vs 25%) and update cadence (fortnightly vs every 6 weeks). GDU Calculator's advantage is iOS requirement (13.0 vs 18.0). On price, ratings volume, 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.

FieldAlytics Mobile holds the better App Store score, 4.0 against 2.5. Both are backed by a comparable volume of ratings — 11 and 31 respectively. Written reviews point the same way: 25% of GDU Calculator's written reviews are positive against 50% of FieldAlytics Mobile's.

GDU Calculator ships an update every 6 weeks, FieldAlytics Mobile fortnightly. The most recent releases landed on November 4, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | GDU Calculator | FieldAlytics Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (11 ratings)](https://appshunter.io/ios/app/gdu-calculator/id850528308/reviews) | **[4.0 (31 ratings)](https://appshunter.io/ios/app/fieldalytics-mobile/id1151565425/reviews)** |
| Number of ratings | 11 | **31** |
| Positive reviews | 25.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 57 MB | 96 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Ag PhD](https://appshunter.io/developer/520210329) | [EFC Systems](https://appshunter.io/developer/1095729151) |

## What reviewers say

### GDU Calculator

[App page](https://appshunter.io/ios/app/gdu-calculator/id850528308)

This app helps corn and wheat growers calculate Growing Degree Units (GDUs) for their crops. It provides daily temperature and GDU data, and can send push notifications about potential field issues based on crop growth stages.

**Highlights:** Growing Degree Unit calculation, Corn and wheat crop support, Day-by-day temperature data, Push notifications for field issues, Crop growth stage tracking

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

**In-app purchases:** none


### FieldAlytics Mobile

[App page](https://appshunter.io/ios/app/fieldalytics-mobile/id1151565425)

Manage agricultural operations from your mobile device. This platform allows users to create and complete work orders, scout crops, collect soil samples, and view various data layers in real-time. It keeps your entire agricultural organization informed and connected.

**Highlights:** Work order management, Crop scouting with photos, Soil sampling and boundary collection, Data layer viewing (yield, soil, imagery), Real-time organizational updates, Compliance documentation

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is GDU Calculator free?

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

### Is FieldAlytics Mobile free?

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

### Which has better reviews, GDU Calculator or FieldAlytics Mobile?

FieldAlytics Mobile is rated higher. GDU Calculator averages 2.5 out of 5 from 11 ratings, while FieldAlytics Mobile averages 4.0 from 31 ratings.

### Do GDU Calculator or FieldAlytics Mobile have ads?

Neither GDU Calculator nor FieldAlytics Mobile shows ads.

### Which is updated more often, GDU Calculator or FieldAlytics Mobile?

GDU Calculator ships an update every 6 weeks, and FieldAlytics Mobile fortnightly. Most recently, GDU Calculator was updated on November 4, 2026 and FieldAlytics Mobile on November 2, 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.*