uSpectrumX vs Wavelength Optics Calculator
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.
Wavelength Optics Calculator
This utility app provides a collection of pre-built calculator formulas for common optical calculations. It's designed for quick and easy access to essential optical engineering tools.
- Pre-built calculator formulas
- Popular optical calculations
- Quick access tools
- Designed for engineers
- Useful for students
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Contains pre-built calculator formulas for the popular optical calculations
Screenshots
Verdict
The clearest difference is update cadence: Wavelength Optics Calculator at monthly against uSpectrumX's every 3 months. uSpectrumX's advantage is iOS requirement (9.0 vs 12.0). On price, ads, in-app purchases and monetization model 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, Wavelength Optics Calculator monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | uSpectrumX | Wavelength Optics Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 25 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | United Power Research Technology Corporation | WAVELENGTH OPTO-ELECTRONIC (S) PTE. LTD. |
In-app purchases
uSpectrumX
No in-app purchases
Wavelength Optics Calculator
No in-app purchases
Questions
Is uSpectrumX free?
Is Wavelength Optics Calculator free?
Do uSpectrumX or Wavelength Optics Calculator have ads?
Which is updated more often, uSpectrumX or Wavelength Optics Calculator?
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