ZENTRA Utility vs tTEM controller
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZENTRA Utility
Configure and manage METER Data Loggers wirelessly via Bluetooth. View sensor data, adjust settings, test connectivity, and update firmware for compatible devices.
- Wireless Bluetooth connection
- View sensor data
- Configure device settings
- Test cellular connection
- Update firmware
- Calibrate sensors
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ZENTRA Utility Mobile is the newest way to interact with your ZENTRA System devices. Using Bluetooth Low-Energy (BLE), you can wirelessly connect to your devices, view information about the device and sensors, and configure the device according to your needs. ZENTRA Utility features: - Wirelessly connect to ZENTRA System devices - View sensor and on-board measurement values - Configure device metadata, measurement interval, cellular communication settings, and sensor configuration - Test cellular connection of your device - Search for available carriers to which the device can connect - Save preferences for unit types and device defaults - Update logger and sensor firmware - Calibrate and install sensors - Create and manage calibrations for Soil Moisture Sensors Compatible Devices - ZL6 - ZL6 Basic - ATMOS 41W - ZSC Send Feedback Within ZENTRA Utility, you can easily send feedback. If there are things that you like or don't like, please let us know. We want to create the best user experience possible. Thanks for using ZENTRA Utility!
tTEM controller
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The tTEM Controller is an app designed to operate and manage the ttem geoscanner instrument developed and sold by TEMcompany, specifically for the ttem2.0 model. This app allows users to initiate measurements, display real-time location, and provide GPS tracking on either OpenStreetMap or a custom background map provided by the user.
Screenshots
Verdict
ZENTRA Utility and tTEM controller are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on September 30, 2026 and September 29, 2026 respectively.
| Parameter | ZENTRA Utility | tTEM controller |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (6 ratings) — better | — |
| Positive reviews | 12.5% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 4 months | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 91 MB | 35 MB |
| Age rating | 4+ | 17+ |
| Developer | METER Group, Inc. | Temcompany ApS |
In-app purchases
ZENTRA Utility
No in-app purchases
tTEM controller
No in-app purchases
Questions
Is ZENTRA Utility free?
Is tTEM controller free?
Do ZENTRA Utility or tTEM controller have ads?
Which is updated more often, ZENTRA Utility or tTEM controller?
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