# Theta vs LuxSeeker

The clearest difference is review sentiment: Theta at 100% against LuxSeeker's 0%. Theta also leads on rating (5.0 vs 3.0) and update cadence (monthly vs every 3 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Theta holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 100% of Theta's written reviews are positive against 0% of LuxSeeker's.

Theta ships an update monthly, LuxSeeker every 3 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Theta | LuxSeeker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/theta-meter-light/id1077931723/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/luxseeker-ble-lightmeter/id1498091398/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | Free |
| Size | 13 MB | 58 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Mikhail Fedorov](https://appshunter.io/developer/714735606) | [LIDlight INC.](https://appshunter.io/developer/1498091397) |

## What reviewers say

### Theta

[App page](https://appshunter.io/ios/app/theta-meter-light/id1077931723)

This application connects to specialized devices to measure and display galvanic skin response. It utilizes Wi-Fi and Bluetooth 4.0BLE to collect data on skin conductance, providing insights into physiological responses.

**Highlights:** Galvanic skin response measurement, Wi-Fi connectivity, Bluetooth 4.0BLE connection, Skin conductance data display, Physiological response tracking

**In-app purchases:** none


### LuxSeeker

[App page](https://appshunter.io/ios/app/luxseeker-ble-lightmeter/id1498091398)

Measure illuminance and color temperature in real-time. Get lighting scene recommendations based on EML, lux, and CCT values. Snapshot data and share trends via CSV or PNG.

**Highlights:** Real-time illuminance (lux) measurement, Real-time color temperature (CCT) measurement, Lighting scene recommendations (EML, lux, CCT), Snapshot and share data via CSV, Trend charts shareable via PNG

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Theta free?

Theta is free to download, with no in-app purchases.

### Is LuxSeeker free?

LuxSeeker is free to download, with no in-app purchases.

### Which has better reviews, Theta or LuxSeeker?

Theta is rated higher. Theta averages 5.0 out of 5 from 1 ratings, while LuxSeeker averages 3.0 from 2 ratings.

### Do Theta or LuxSeeker have ads?

Neither Theta nor LuxSeeker shows ads.

### Which is updated more often, Theta or LuxSeeker?

Theta ships an update monthly, and LuxSeeker every 3 months. Most recently, Theta was updated on November 2, 2026 and LuxSeeker on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*