Comparison

Theta vs Batteryphix

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

Batteryphix

Features
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本应用专为超级电容蓝牙应急启动设备设计,通过手机轻松启动汽车,解决电池衰减、寒冷天气或长时间停放导致的无法启动问题。安全高效,环保可靠,是您的智能启动助手!

Screenshots

Theta2 screens
Batteryphix3 screens

Verdict

The call

The clearest difference is iOS requirement: Batteryphix at 12.0 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

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 29, 2026 and November 4, 2026 respectively.

Scorecard1 real difference · 5 level
Theta versus Batteryphix: the parameters behind the verdict, then further details
ParameterThetaBatteryphix
PriceFreeFree
Update frequencyEvery 3 monthsEvery 3 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS1712.0 — better
Further details — not scored
Size18 MB106 MB
Age rating12+4+
DeveloperMikhail FedorovAutophix Tech Co., Ltd

In-app purchases

None

Theta

No in-app purchases

None

Batteryphix

No in-app purchases

Questions

Is Theta free?
Theta is free to download, with no in-app purchases.
Is Batteryphix free?
Batteryphix is free to download, with no in-app purchases.
Do Theta or Batteryphix have ads?
Neither Theta nor Batteryphix shows ads.
Which is updated more often, Theta or Batteryphix?
Theta ships an update every 3 months, and Batteryphix every 3 months. Most recently, Theta was updated on October 29, 2026 and Batteryphix on November 4, 2026.

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