uSpectrumX vs ams OSRAM AS733x
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
uSpectrumX
This application connects wirelessly to a handheld spectrometer to remotely analyze light sources. It displays detailed spectral data, light source information, and allows for data saving and sharing.
- Wireless Wi-Fi connection to spectrometer
- Remote light source analysis
- Spectrum, CIE1931, CIE1976, CRI, TM-30 diagrams
- Detailed light source information (LUX, CCT, CRI)
- Save and share captured data
- Open UPRTek .xls files
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uSpectrumX is a wireless controller application for UPRTek handheld spectrometer which provides 6 main features, namely Basic, Spectrum, CIE1931, CIE1976, CRI, and TM-30. Supported Devices ・MK350S Premium (≧ FW Ver.1.1.0.B24) ・MK350N Premium (≧ FW Ver.1.1.1.B6) # uSpectrumX will continuously add more supported devices in the future. Connect to Handheld Spectrometer via Wi-Fi ・To remotely analyze light source target. ・To remotely configure the "Integration Mode" of device ・To remotely run "Dark Calibration" of device. ・To save the captured data of device. More Features ・To show Spectrum, CIE1931, CIE1976, CRI, TM-30 diagram of the data(*.xls), which was generated from UPRTek handheld spectrometer. ・To see more detail information of light source, such as LUX, CCT, CRI, x, y, λp, and λpV. ・To share the measured data via email. ・To choose uSpectrumX to open UPRTek xls file from other apps.
ams OSRAM AS733x
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The ams OSRAM AS733x (UV Sensor) App allows you to interact with the AS733x Radiometer Demo. It enables you to modify all available parameters and explore the complete feature set of the AS733x sensors. It offers following features: - Readout of UV radiation intensities - Visualization in counts or selected parameters, e.g. mW/cm² - Graphical visualization of the selected parameters - Single or continuous detection - Adjustment of sensor settings manually or automatic - Set of min/max thresholds - Recording and export of the measurement result - Firmware upgrade (follow the user manual that comes with the device) - Add new use cases or update the existing ones (for details, follow the user manual) This app allows users to select and validate the following use cases: - Raw value monitoring - UV intensity - UV dose calculation - UV index
Screenshots
Verdict
The clearest difference is iOS requirement: uSpectrumX at 9.0 against ams OSRAM AS733x's 14.4. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
uSpectrumX ships an update every 3 months, ams OSRAM AS733x every 5 weeks. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.
| Parameter | uSpectrumX | ams OSRAM AS733x |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.0 — better | 14.4 |
| Further details — not scored | ||
| Size | 25 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | United Power Research Technology Corporation | ams AG |
In-app purchases
uSpectrumX
No in-app purchases
ams OSRAM AS733x
No in-app purchases
Questions
Is uSpectrumX free?
Is ams OSRAM AS733x free?
Do uSpectrumX or ams OSRAM AS733x have ads?
Which is updated more often, uSpectrumX or ams OSRAM AS733x?
Other comparisons
