H2O Precision Moisture Sensor vs Elma Moisture
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
H2O Precision Moisture Sensor
This app connects wirelessly to a moisture sensor to provide round baler operators with accurate hay moisture readings up to 60%. It utilizes patented technology to read moisture across the bale's width, displaying results on a smartphone or tablet.
- Accurate hay moisture readings up to 60%
- Patented side-to-side moisture reading technology
- Wireless Bluetooth connectivity
- Uses smartphone or tablet as monitor
- Reads moisture across bale width
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The H2O Precision Moisture Sensor allows round baler operators to accurately and efficiently read hay moisture up to 60%. Using the patented side-to-side moisture reading technology, the sensor reads the moisture across the width of the bale in the chamber via moisture sensing discs mounted on the chamber walls. The sensor will read crop moisture from 8% up to 60%, for those customers that make high moisture bales as well as dry bales. The H2O Precision Moisture Sensor uses the operators smartphone or tablet as the monitor, connecting wirelessly via Bluetooth, and using the free H2O app from Harvest Tec.
Elma Moisture
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Take control of your moisture measurement with the Elma MoistureMax and the APP
Screenshots
Verdict
The clearest difference is update cadence: Elma Moisture at every 6 weeks against H2O Precision Moisture Sensor's every 6 months. On price, ads, in-app purchases and device support 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.
H2O Precision Moisture Sensor ships an update every 6 months, Elma Moisture every 6 weeks. The most recent releases landed on July 18, 2026 and September 13, 2026 respectively.
| Parameter | H2O Precision Moisture Sensor | Elma Moisture |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 6 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 67 MB | 16 MB |
| Age rating | 4+ | 17+ |
| Developer | Harvest Tec, Inc | Elma Instruments A/S |
In-app purchases
H2O Precision Moisture Sensor
No in-app purchases
Elma Moisture
No in-app purchases
Questions
Is H2O Precision Moisture Sensor free?
Is Elma Moisture free?
Do H2O Precision Moisture Sensor or Elma Moisture have ads?
Which is updated more often, H2O Precision Moisture Sensor or Elma Moisture?
Other comparisons
