Theta vs LuxSeeker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Theta
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.
- Galvanic skin response measurement
- Wi-Fi connectivity
- Bluetooth 4.0BLE connection
- Skin conductance data display
- Physiological response tracking
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Application displays data from Theta-Meter devices (Wi-Fi and Bluetooth 4.0BLE connection) which measures human body galvanic skin response. Skin conductance, also known as galvanic skin response (GSR), electrodermal response (EDR), psychogalvanic reflex (PGR), skin conductance response (SCR) or skin conductance level (SCL), is a method of measuring the electrical conductance of the skin.
LuxSeeker
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.
- 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
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Key feature: - Real-time measurement illuminance (lx) and color temperature (CCT) - Lighting scenes recommendation with Equivalent Melanopic Lux (EML), lux and CCT. - EML version to 0-30000lx, 2000-10000K, 0-45000lx(EML) - none EML version to 0-10000lx, 2000-7000K. - How good is your light? Rated the light for you - Snapshot real-time data. The value can share by .CSV - Trend Charts. The chart can share by .PNG
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Theta | LuxSeeker |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 1 | 2 — better |
| Update frequency | Monthly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 13 MB | 58 MB |
| Age rating | 12+ | 4+ |
| Developer | Mikhail Fedorov | LIDlight INC. |
Customer experience
Theta
LuxSeeker
In-app purchases
Theta
No in-app purchases
LuxSeeker
No in-app purchases
