CDMS Vision vs GDU Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CDMS Vision
Manage and present crop plans on a mobile platform. This tool is designed for agricultural professionals to organize and visualize their farming strategies.
- Crop plan management
- Presentation tools
- Mobile platform
- Agricultural planning
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CDMS Vision: A mobile platform for crop plan management and presentation.
GDU Calculator
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.
- Growing Degree Unit calculation
- Corn and wheat crop support
- Day-by-day temperature data
- Push notifications for field issues
- Crop growth stage tracking
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The Ag PhD GDU Calculator is a reference for corn and wheat growers to determine the amount of Growing Degree Units for their crops in the current crop season. Includes day-by-day breakdown of temperature and GDU data and has the option for push notifications informing growers of potential problems in their fields based on their crop growth stage, as calculated by the crop GDU from planting date.
Screenshots
Verdict
The clearest difference is rating: CDMS Vision at 3.5 against GDU Calculator's 2.5. GDU Calculator's advantage is update cadence (every 6 weeks vs every 34 months) and ratings volume (11 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CDMS Vision holds the better App Store score, 3.5 against 2.5. That said, the two scores are not equally well evidenced: GDU Calculator has 11 ratings behind it against 2, so its average is the more settled of the two.
CDMS Vision ships an update every 34 months, GDU Calculator every 6 weeks. The most recent releases landed on October 9, 2026 and October 21, 2026 respectively.
| Parameter | CDMS Vision | GDU Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (2 ratings) — better | 2.5 (11 ratings) |
| Positive reviews | — | 25.0% of reviews |
| Number of ratings | 2 | 11 — better |
| Update frequency | Every 34 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 2 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | Crop Data Management Systems, Inc. | Ag PhD |
Customer experience
CDMS Vision
GDU Calculator
In-app purchases
CDMS Vision
No in-app purchases
GDU Calculator
No in-app purchases
Questions
Is CDMS Vision free?
Is GDU Calculator free?
Which has better reviews, CDMS Vision or GDU Calculator?
Do CDMS Vision or GDU Calculator have ads?
Which is updated more often, CDMS Vision or GDU Calculator?
Other comparisons
