Best Theta alternatives: apps like Theta-Meter Watch

10+ similar apps compared and reviewed

4.1 avg rating

9 free apps

Updated October 2026

Mikhail Fedorov

Looking for something like Theta? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to Theta

BUN Creatinine Ratio Calculato by Krzysztof Gwiazda

Blood Urea Nitrogen (BUN)

Editor's Choice

🔧 Utilities

0.0(0 ratings)

Free

BUN Creatinine Ratio Calculato screenshot 1

BUN Creatinine Ratio Calculato screenshot 2

BUN Creatinine Ratio Calculato screenshot 3

BUN Creatinine Ratio Calculato screenshot 4

BUN Creatinine Ratio Calculato screenshot 5

BUN Creatinine Ratio Calculato screenshot 6

TeslaVision EMF Detector by Michael Weber

Electromagnetic Field Detector

Strong Contender

🔧 Utilities

4.4(10 ratings)

$4.99

Detect, measure, and visualize ambient electromagnetic fields in real-time. This professional-grade tool offers detailed analysis, data export, and customizable settings for monitoring your electromagnetic environment.

CymCamPro by CymCam2

Worth Considering

🔧 Utilities

0.0(0 ratings)

Free

More apps like Theta

Geolantis.360

by Geolantis GmbH

Free

This platform integrates smart forms, workforce management, and advanced GPS, CAD, and GIS features for efficient field data collection. It streamlines project and crew management, automates workflows, and provides offline map access for inspections, surveys, and audits.

Smart forms and workforce managementAdvanced GPS, CAD & GIS featuresOffline GIS & CAD map accessibility

by FEITIAN Technologies Co.,Ltd.

Free

This utility app manages your FIDO security keys, offering a secure way to authenticate your identity across devices. It supports dual-interface keys for seamless connection to smartphones, PCs, and tablets.

FIDO key managementIdentity authenticationDual interface support

Blood Type Calculator

AI Text to Speech PRO

Text to Speech AI Voice Reader

Free

This app transforms digital and physical text into natural-sounding audio. It reads aloud web pages, documents, and even scanned book pages, offering customizable voices and speeds for an efficient listening experience.

Reads web pages, documents, and eBooks aloudScans physical text with cameraOver 130 natural AI voices

🔧 Utilities

(1)

free with in-app purchases

Compare with Theta

iPrayer Life

by Shenzhen Yanyou Technology Co., Ltd.

This app offers robust security and privacy protection through multi-point encryption. It ensures licensed and compliant operation with comprehensive encryption to safeguard user data. Advanced features like multi-device connection and peak optimization are available via subscription.

Multi-point encryption technologyPrivacy protectionLicensed and compliant operation

🔧 Utilities

(56)

free with in-app purchases

Compare with Theta

AviATC: Live ATC Tracker

Live ATC, Traffic & Weather

Free

This app acts as a flight recorder for pilots and aviation enthusiasts, capturing ATC audio, video, and telemetry. It allows for real-time tracking of aircraft and airports, with features for post-flight debriefing and sharing flight replays for training or insurance purposes.

Live ATC radio and ATIS transcriptionReal-time aircraft and airport trackingIn-flight video recording (Beta)

🔧 Utilities

(63)

free with in-app purchases

Compare with Theta