Comparison

uSpectrumX vs WattDesk

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

Head to head
About

uSpectrumX

Features
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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.

About

WattDesk

Features
Read full description

WattDesk is a smart energy management platform designed for modern energy storage systems. Designed to support end users, installers, distributors, and service partners, WattDesk enables efficient monitoring, management, and operation of complex energy systems from a single interface. The platform provides real-time visibility into system status and energy flows, helping different user roles better understand system performance and respond efficiently. Key capabilities include: • Real-time monitoring of inverters, batteries, grid, and loads • Clear visualization of system data and operational status • Historical data and trends for performance analysis • Remote system access and configuration support • Centralized management for multiple sites and systems Whether you are a system owner managing daily operations, or a professional partner responsible for installation, commissioning, or maintenance, WattDesk helps simplify system management and improve operational efficiency.

Screenshots

uSpectrumX4 screens
WattDesk4 screens

Verdict

The call

The clearest difference is update cadence: WattDesk at fortnightly against uSpectrumX's every 3 months. uSpectrumX's advantage is iOS requirement (9.0 vs 15.6). 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

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, WattDesk fortnightly. The most recent releases landed on September 16, 2026 and September 18, 2026 respectively.

Scorecard2 real differences · 4 level
uSpectrumX versus WattDesk: the parameters behind the verdict, then further details
ParameteruSpectrumXWattDesk
PriceFreeFree
Update frequencyEvery 3 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better15.6
Further details — not scored
Size25 MB121 MB
Age rating4+4+
DeveloperUnited Power Research Technology Corporation旭浦能源

In-app purchases

None

uSpectrumX

No in-app purchases

None

WattDesk

No in-app purchases

Questions

Is uSpectrumX free?
uSpectrumX is free to download, with no in-app purchases.
Is WattDesk free?
WattDesk is free to download, with no in-app purchases.
Do uSpectrumX or WattDesk have ads?
Neither uSpectrumX nor WattDesk shows ads.
Which is updated more often, uSpectrumX or WattDesk?
uSpectrumX ships an update every 3 months, and WattDesk fortnightly. Most recently, uSpectrumX was updated on September 16, 2026 and WattDesk on September 18, 2026.

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