Comparison

uSpectrumX vs Sunray

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

最專業的Sunray燈控系統

About

uSpectrumX

Features

Read 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.

About

Sunray

Features

Read full description

透過藍芽與支援的燈具做連結，可無段操控CCT模式、HSI模式、CIExy模式外，還提供上百種色片模擬及10種特效模式

Screenshots

uSpectrumX4 screens

Sunray4 screens

Verdict

The call

The clearest difference is iOS requirement: uSpectrumX at 9.0 against Sunray's 15.0. 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

uSpectrumX ships an update every 3 months, Sunray every 4 months. The most recent releases landed on September 16, 2026 and September 7, 2026 respectively.

Scorecard1 real difference · 5 level

uSpectrumX versus Sunray: the parameters behind the verdict, then further details
Parameter	uSpectrumX	Sunray
Price	Free	Free
Update frequency	Every 3 months — better	Every 4 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	9.0 — better	15.0
Further details — not scored
Size	25 MB	3 MB
Age rating	4+	4+
Developer	United Power Research Technology Corporation	Taiwan Radiance Co., Ltd.

In-app purchases

None

uSpectrumX

No in-app purchases

None

Sunray

No in-app purchases

Questions

Is uSpectrumX free?

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

Is Sunray free?

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

Do uSpectrumX or Sunray have ads?

Neither uSpectrumX nor Sunray shows ads.

Which is updated more often, uSpectrumX or Sunray?

uSpectrumX ships an update every 3 months, and Sunray every 4 months. Most recently, uSpectrumX was updated on September 16, 2026 and Sunray on September 7, 2026.