Comparison

Theta vs MeterTracker

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Theta

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Theta-Meter X Theta-Meter X is a companion application designed to work with compatible Theta-Meter hardware devices.  The app connects via Bluetooth Low Energy (BLE 4.0 or higher) or Wi-Fi and displays real-time electrical resistance  measurements from objects connected to the device’s electrodes. Key Features: - Real-time visualization of electrical resistance changes - Clear analog-style needle indicator for dynamic monitoring - Bluetooth LE and Wi-Fi connectivity - Simple, user-friendly interface - Stable data transmission from supported hardware devices How It Works When connected to a compatible device, the app measures and displays variations in electrical resistance detected between  attached electrodes. The needle indicator provides a continuous visual representation of resistance fluctuations, allowing  users to observe dynamic changes over time. Intended Use Theta-Meter X is designed for general experimental, educational, and technical purposes involving electrical resistance measurement.  It is intended for use with compatible hardware devices only. Important Notice This application and the associated hardware are not medical devices. They are not intended for diagnosing, treating, curing,  preventing, or mitigating any disease or health condition. The app does not provide medical, therapeutic, or psychological advice.

About

MeterTracker

Features
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An energy data platform from krumedia GmbH is required to use this app. Contact the provider or the developer of the software if you have any questions. The app allows mobile meter readings from non-networked measuring points. It supports the person reading the meter in remembering readings, allocating meters and entering meter readings. The app automatically synchronizes with the energy data platform.

Screenshots

Theta2 screens
MeterTracker4 screens

Verdict

The call

The clearest difference is iOS requirement: MeterTracker at 15.5 against Theta's 17. On price, update cadence, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Theta ships an update every 3 months, MeterTracker every 2 months. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

Scorecard1 real difference · 5 level
Theta versus MeterTracker: the parameters behind the verdict, then further details
ParameterThetaMeterTracker
PriceFreeFree
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS1715.5 — better
Further details — not scored
Size18 MB41 MB
Age rating12+4+
DeveloperMikhail Fedorovkrumedia GmbH

In-app purchases

None

Theta

No in-app purchases

None

MeterTracker

No in-app purchases

Questions

Is Theta free?
Theta is free to download, with no in-app purchases.
Is MeterTracker free?
MeterTracker is free to download, with no in-app purchases.
Do Theta or MeterTracker have ads?
Neither Theta nor MeterTracker shows ads.
Which is updated more often, Theta or MeterTracker?
Theta ships an update every 3 months, and MeterTracker every 2 months. Most recently, Theta was updated on October 18, 2026 and MeterTracker on October 24, 2026.

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