uSpectrumX vs Ayuska
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
uSpectrumX
Read full descriptionHide full description
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.
Ayuska
Read full descriptionHide full description
This application allow resort/club owner and member to access information and booking of amenities.
Screenshots
Verdict
The clearest difference is update cadence: Ayuska at every 5 weeks against uSpectrumX's every 3 months. uSpectrumX's advantage is iOS requirement (9.0 vs 11.0). On price, ads, in-app purchases and device support 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, Ayuska every 5 weeks. The most recent releases landed on September 16, 2026 and September 9, 2026 respectively.
| Parameter | uSpectrumX | Ayuska |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 25 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | United Power Research Technology Corporation | AVADH UNIVERSAL LIMITED |
In-app purchases
uSpectrumX
No in-app purchases
Ayuska
No in-app purchases
Questions
Is uSpectrumX free?
Is Ayuska free?
Do uSpectrumX or Ayuska have ads?
Which is updated more often, uSpectrumX or Ayuska?
Other comparisons
