Comparison

uSpectrum MK350D vs Trulii

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

Head to head
About

uSpectrum MK350D

This portable spectrometer offers easy-to-use lighting analysis for production environments. It features BLE remote control and SD card data storage for efficient workflow and advanced light analytics.

Highlights
  • BLE remote control
  • SD card data storage
  • Fast lighting readings
  • Advanced light analytics
  • Efficient workflow features
Features
Read full description

The MK350D 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.

About

Trulii

Effortlessly recall details about people you meet, from names and workplaces to personal anecdotes. Utilize voice or AI search to quickly find contacts and their information as your network expands. Never forget important personal details again.

Highlights
  • Remember personal details
  • Voice search
  • Smart AI search
  • Network growth management
  • Effortless contact recall
Features
Read full description

Trulii is a simple personal CRM that helps you remember the people you meet. Ever forget someone’s name, their spouse, or where they work? Can’t remember where they were going on vacation? Trulii makes it effortless to remember what matters most. As your network grows, use voice or Smart AI to instantly find the right person and details. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://trulii.ai/#privacy

Screenshots

uSpectrum MK350D4 screens
Trulii4 screens

Verdict

The call

The clearest difference is review sentiment: Trulii at 100% against uSpectrum MK350D's 0%. Trulii also leads on rating (5.0 vs 3.0) and update cadence (every 9 days vs every 2 months). uSpectrum MK350D's advantage is in-app purchases (none vs 2) and iOS requirement (8.0 vs 12.0). On price, ads 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. Trulii sells 2 in-app purchases, starting at $7.99 per month. uSpectrum MK350D asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Trulii holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 6 respectively. Written reviews point the same way: 0% of uSpectrum MK350D's written reviews are positive against 100% of Trulii's.

UpkeepUpdate frequency

uSpectrum MK350D ships an update every 2 months, Trulii every 9 days. Both last shipped on October 24, 2026.

Scorecard7 real differences · 3 level
uSpectrum MK350D versus Trulii: the parameters behind the verdict, then further details
ParameteruSpectrum MK350DTrulii
PriceFreeFree
Rating3.0 (2 ratings)5.0 (6 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings26 — better
Update frequencyEvery 2 monthsEvery 9 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better12.0
Further details — not scored
Size39 MB55 MB
Age rating4+17+
DeveloperUnited Power Research Technology CorporationTrulii LLC

Customer experience

uSpectrum MK350D

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Trulii

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

uSpectrum MK350D

No in-app purchases

2 purchases

Trulii

Subscriptions2
  • Trulii Monthly$7.991 Month
  • Trulii Annual$84.991 Year

Questions

Is uSpectrum MK350D free?
uSpectrum MK350D is free to download, with no in-app purchases.
Is Trulii free?
Trulii is free to download, with in-app purchases available.
Which has better reviews, uSpectrum MK350D or Trulii?
Trulii is rated higher. uSpectrum MK350D averages 3.0 out of 5 from 2 ratings, while Trulii averages 5.0 from 6 ratings.
Do uSpectrum MK350D or Trulii have ads?
Neither uSpectrum MK350D nor Trulii shows ads.
Which is updated more often, uSpectrum MK350D or Trulii?
uSpectrum MK350D ships an update every 2 months, and Trulii every 9 days. Most recently, uSpectrum MK350D was updated on October 24, 2026 and Trulii on October 24, 2026.

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