Comparison

uSpectrumX BLE 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 BLE

Features
Read full description

The uSpectrumX BLE is a lightweight, portable, easy-to-operate spectrometer with BLE remote control operations and SD card data storage. This product has basic features for fast, easy lighting readings, as well as advanced light analytics, and efficient work-flow features for lighting production environments. Supported Devices ・MK350D (≧ FW Ver.1.2.0.B9) # uSpectrumX BLE will continuously add more supported devices in the future.

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

uSpectrumX BLE3 screens
WattDesk4 screens

Verdict

The call

The clearest difference is update cadence: WattDesk at every 2 weeks against uSpectrumX BLE's every 14 months. uSpectrumX BLE'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 BLE ships an update every 14 months, WattDesk every 2 weeks. The most recent releases landed on October 10, 2026 and October 22, 2026 respectively.

Scorecard2 real differences · 4 level
uSpectrumX BLE versus WattDesk: the parameters behind the verdict, then further details
ParameteruSpectrumX BLEWattDesk
PriceFreeFree
Update frequencyEvery 14 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better15.6
Further details — not scored
Size33 MB121 MB
Age rating4+4+
DeveloperUnited Power Research Technology Corporation旭浊胜源

In-app purchases

None

uSpectrumX BLE

No in-app purchases

None

WattDesk

No in-app purchases

Questions

Is uSpectrumX BLE free?
uSpectrumX BLE is free to download, with no in-app purchases.
Is WattDesk free?
WattDesk is free to download, with no in-app purchases.
Do uSpectrumX BLE or WattDesk have ads?
Neither uSpectrumX BLE nor WattDesk shows ads.
Which is updated more often, uSpectrumX BLE or WattDesk?
uSpectrumX BLE ships an update every 14 months, and WattDesk every 2 weeks. Most recently, uSpectrumX BLE was updated on October 10, 2026 and WattDesk on October 22, 2026.

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