Comparison

uSpectrum PAR vs Apparent Water Heater Install

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

Head to head
About

uSpectrum PAR

This application connects wirelessly to a handheld spectral PAR meter, allowing remote analysis and configuration of light sources. It displays detailed spectral data, light source information, and absorption metrics, with options to save and share measurements.

Highlights
  • Wireless Bluetooth connection
  • Remote light source analysis
  • Save captured data
  • Display spectrum and CIE diagrams
  • View light source metrics (LUX, CCT, CRI)
  • Share measured data via email
Features
Read full description

uSpectrum PAR is a wireless controller application for UPRtek handheld Spectral PAR Meter which provides 6 main features, namely Basic, Spectrum, PPFD Spectrum, CIE1931, CIE1976, and, CRI. Supported Devices ・PG200N (≧ FW Ver.1.1.0.B25) # uSpectrum PAR will continuously add more supported devices in the future. Connect to Handheld Spectral PAR Meter via Bluetooth ・To remotely analyze light source target. ・To remotely configure the "Integration Mode" of device ・To save the captured data of device. More Features ・To show Spectrum, PPFD Spectrum, CIE1931, CIE1976, CRI diagram of the data(*.xls), which was generated from UPRTek handheld spectral PAR meter. ・To see more information of light source, such as LUX, CCT, CRI, x, y, λp, and λpV. ・To see more information of absorption of light source, such as PPFD, PFD, PFD-R, PFD-G, and, PFD-B. ・To share the measured data via email.

About

Apparent Water Heater Install

Read full description

Apparent Water Heater Install is your all-in-one solution for efficient and reliable water heater installations of Apparent EXEL water heaters. Specifically designed for professional installers, yet remains accessible to customers. The app simplifies the entire setup process— from connecting the heater to Wi-Fi to setting temperature preferences— ensuring quick, hassle-free installations and allowing you to focus on what matters most: quality service.

Screenshots

uSpectrum PAR4 screens
Apparent Water Heater Install4 screens

Verdict

The call

The clearest difference is update cadence: Apparent Water Heater Install at every 2 months against uSpectrum PAR's every 8 months. uSpectrum PAR's advantage is iOS requirement (9.0 vs 15.1). 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

uSpectrum PAR ships an update every 8 months, Apparent Water Heater Install every 2 months. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

Scorecard2 real differences · 7 level
uSpectrum PAR versus Apparent Water Heater Install: the parameters behind the verdict, then further details
ParameteruSpectrum PARApparent Water Heater Install
PriceFreeFree
Rating1.0 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 8 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS9.0 — better15.1
Further details — not scored
Size25 MB25 MB
Age rating4+17+
DeveloperUnited Power Research Technology CorporationApparent Inc.

In-app purchases

None

uSpectrum PAR

No in-app purchases

None

Apparent Water Heater Install

No in-app purchases

Questions

Is uSpectrum PAR free?
uSpectrum PAR is free to download, with no in-app purchases.
Is Apparent Water Heater Install free?
Apparent Water Heater Install is free to download, with no in-app purchases.
Do uSpectrum PAR or Apparent Water Heater Install have ads?
Neither uSpectrum PAR nor Apparent Water Heater Install shows ads.
Which is updated more often, uSpectrum PAR or Apparent Water Heater Install?
uSpectrum PAR ships an update every 8 months, and Apparent Water Heater Install every 2 months. Most recently, uSpectrum PAR was updated on November 3, 2026 and Apparent Water Heater Install on November 8, 2026.

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