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Agriculture · head to head

Galcon vs METER Group ZENTRA

Galcon logo

Galcon

Agriculture

Battery and mains irrigation, fertigation and climate controllers with cloud management

From
On request
Rated
-
Full reviewWebsite
METER Group ZENTRA logo

METER Group ZENTRA

Agriculture

Research-grade soil, plant and atmosphere sensors with the ZENTRA Cloud data platform

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Galcon distribution and support run through regional wholesalers, so in markets where Galcon has no strong distributor you get the hardware and very little else.; METER Group ZENTRA hardware costs several times what commodity soil probes cost, so a farm that only needs a rough irrigation trigger is paying for calibration accuracy it will never use.
  • They diverge on capability: Galcon covers Battery DC controllers, METER Group ZENTRA covers TEROS soil sensors.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Galcon and METER Group ZENTRA actually diverge.

Attributes where Galcon and METER Group ZENTRA differ
AttributeGalconMETER Group ZENTRA
Pricing modelquotePer device subscription

Identical on both: starting price (On request), free tier (No), platforms (Web, iOS, Android), user rating (Not yet rated), category (Agriculture).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Galcon

  • Battery DC controllers
  • GSI cloud
  • Galileo Cloud
  • Fertigation control
  • Greenhouse climate
  • Water budget reporting
  • Sensor inputs

Only in METER Group ZENTRA

  • TEROS soil sensors
  • Water potential measurement
  • ZL6 data loggers
  • ZENTRA Cloud
  • Threshold alerts
  • Open API
  • ATMOS weather stations

What people use each for

The jobs each tool is most often brought in to do.

Galcon

  • A parks department scheduling roadside and median planting beds where no valve has mains powernot METER Group ZENTRA
  • An orchard automating block irrigation without trenching electricity to every valvenot METER Group ZENTRA
  • A greenhouse dosing fertiliser to EC and pH targets alongside climate controlnot METER Group ZENTRA
  • A landscape contractor managing irrigation across dozens of client sites from one cloud accountnot METER Group ZENTRA

METER Group ZENTRA

  • A university soil physics group that needs measurements defensible enough for peer reviewnot Galcon
  • An irrigation district accounting for water applied and lost across a schemenot Galcon
  • A vineyard managing deficit irrigation from water potential rather than volumetric moisture alonenot Galcon
  • An environmental consultancy monitoring a remediation or drainage site where the data may be contestednot Galcon

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Galcon

  • Distribution and support run through regional wholesalers, so in markets where Galcon has no strong distributor you get the hardware and very little else.
  • The cloud software is functional rather than refined, and its third-party integration list is short compared with Hunter Centralus or Rain Bird IQ, which matters if you want irrigation data in a wider asset system.
  • Battery-powered controllers mean battery replacement schedules across a large estate, and a dead battery on a remote valve is a silent failure that shows up as a dead planting bed weeks later.
  • No pricing is published for hardware or cloud subscriptions, and pricing varies by country and wholesaler, so budgeting a municipal rollout requires several quotes.
  • The product range is broad and fragmented across GSI, GSI PRO, Galileo Cloud and legacy timers, which makes it genuinely hard to work out which product line a given site should be on.

METER Group ZENTRA

  • Hardware costs several times what commodity soil probes cost, so a farm that only needs a rough irrigation trigger is paying for calibration accuracy it will never use.
  • ZENTRA Cloud is a per-device subscription, so a large sensor network carries a recurring bill that grows linearly with every probe added and is easy to underestimate at design stage.
  • The three-year subscription bundled with the ZL6 Pro means the renewal decision arrives exactly when a typical research grant has ended, which is how long-running datasets get abandoned.
  • METER sells measurement rather than recommendations; there is no irrigation scheduling engine, so someone has to turn the numbers into decisions or buy a second platform that will.
  • Installation quality dominates results with soil sensors, and a badly installed TEROS probe produces confidently wrong data, so the accuracy you paid for depends on field technique the vendor cannot supply.

Pricing, plan by plan

Galcon

On request
  • Galcon GSI and Galileo Cloud$undefined/year
    • Controller hardware priced through irrigation wholesalers
    • Cloud subscription quoted by number of controllers and zones
    • Cellular connectivity charges vary by country

METER Group ZENTRA

On request
  • ZENTRA Cloud$undefined/year
    • Priced per activated device, pay for what you use
    • Three year subscription included with the ZL6 Pro logger
    • Cellular data included in the device subscription

Which should you pick?

Choose Galcon if

  • You need battery dc controllers.
  • You work on Web, iOS, Android.
  • You also want gsi cloud.
Galcon review

Choose METER Group ZENTRA if

  • You need teros soil sensors.
  • You work on Web, iOS, Android.
  • You also want water potential measurement.
METER Group ZENTRA review

Questions people ask

Is Galcon or METER Group ZENTRA better?
Neither clearly leads. Galcon starts at On request and METER Group ZENTRA at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Galcon or METER Group ZENTRA?
Galcon starts at On request and METER Group ZENTRA at On request.
Does Galcon or METER Group ZENTRA run on more platforms?
Both run on Web, iOS, Android, so platform support will not decide this one for you.
What is Galcon best used for?
Galcon is most often used for a parks department scheduling roadside and median planting beds where no valve has mains power, an orchard automating block irrigation without trenching electricity to every valve, a greenhouse dosing fertiliser to ec and ph targets alongside climate control, a landscape contractor managing irrigation across dozens of client sites from one cloud account. Of those, a parks department scheduling roadside and median planting beds where no valve has mains power and an orchard automating block irrigation without trenching electricity to every valve are not what METER Group ZENTRA is typically brought in for.
What can Galcon do that METER Group ZENTRA cannot?
Galcon covers Battery DC controllers, GSI cloud, Galileo Cloud, Fertigation control. METER Group ZENTRA covers TEROS soil sensors, Water potential measurement, ZL6 data loggers, ZENTRA Cloud.

Answered from the vendors’ own pages

Galcon: Do Galcon controllers need mains power?

The DC range does not. They run latching solenoids from internal batteries, which is the main reason they are specified where getting power to the valve is expensive.

METER Group ZENTRA: Is ZENTRA Cloud included with the loggers?

A three-year subscription is included with the ZL6 Pro. Other loggers require a separate per-device subscription.

Galcon: Is there a cloud subscription?

Yes for the connected GSI and Galileo Cloud products. Terms are quoted by controller count and vary by country along with cellular charges.

METER Group ZENTRA: Do I need a separate cellular data plan?

No. Cellular data is covered within the device subscription rather than billed as a separate SIM contract.

Galcon: Can it control fertigation?

Yes. Galcon makes dedicated fertigation and greenhouse climate controllers with EC and pH monitoring, sold as separate systems from the field controllers.

METER Group ZENTRA: Will it tell me when to irrigate?

No. METER provides measurement, not scheduling recommendations. You either interpret the data yourself or feed it into a scheduling platform.

Galcon: How does it compare with Hunter or Rain Bird?

It competes on battery operation and price rather than ecosystem breadth. The American brands have deeper central control software and broader integration.

METER Group ZENTRA: Why is it more expensive than commodity soil probes?

Individual sensor calibration and documented measurement physics, which is what makes the data hold up in research, regulatory and legal contexts.

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