# Theta-Meter

> Theta-Meter (iPhone/iPad app by Mikhail Fedorov.)

- Source: https://appshunter.io/ios/app/theta-meter/id1541332058 (this page in markdown: same URL + `.md`)
- Developer: [Mikhail Fedorov](https://appshunter.io/developer/714735606)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 14.0 · 8 MB
- Languages: American English
- Released: 2020-12-03
- Data updated: 2026-07-30
- User reviews in markdown: https://appshunter.io/ios/app/theta-meter/id1541332058/reviews.md

## What is Theta?

Theta-Meter standard e-meter app. Theta-Meter e-meter hardware can be connected to this app using Bluetooth LE 4.0 (or higher) or Wi-Fi connection. This app measures the electric resistance of the object, connected to Theta-Meter e-meter electrodes. This app is not intended to diagnose, treat, cure, or prevent any disease or medical or therapeutic use. Using a needle indicator, this app shows the dynamics of changes in the electrical resistance of an object connected to the Theta-Meter device.


## Version history (last 4 releases)

### 1.3.10 — 2026-07-26

Minor fixes

### 1.3.9 — 2026-04-15

This update improves device compatibility, interface behavior, and overall responsiveness.

- Added support for additional USB and Bluetooth devices
- Improved server discovery and remote device connection logic
- Fixed UI scaling issues, including dial rendering and label sizes
- Added the possibility to hide Booster, Timer 20/10, and TA counter controls
- Improved iOS layout on notch devices with better safe area handling
- Added keyboard shortcuts for common actions
- Optimized dial and needle rendering for smoother performance, preserving natural needle movement

### 1.3 — 2023-06-12

- Fixed issues
- New devices support
- Added OnlineMeter functionality
- Added Remote sessions

### 1.0 — 2020-12-04

No release notes.

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## More apps by Mikhail Fedorov

- [Theta-Meter Light](https://appshunter.io/ios/app/theta-meter-light/id1077931723)
- [Online meter](https://appshunter.io/ios/app/online-meter/id1492697529)
- [Theta-Meter X](https://appshunter.io/ios/app/theta-meter-x/id1510300649)
- [Theta-Meter Watch](https://appshunter.io/ios/app/theta-meter-watch/id1525336419)
- [Theta-Meter light](https://appshunter.io/ios/app/theta-meter-light/id1529290037)

All apps by Mikhail Fedorov: https://appshunter.io/developer/714735606

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-30.*