Comparison

uSpectrum MK350N vs SplitPDF

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

Head to head
About

uSpectrum MK350N

Features
Read full description

MK350 is using advanced spectroscopic technique architecture; therefore, the measurement accuracy is better than traditional color sensors. Traditional spectrometer needs to use PC or notebook for data analysis, UPR RD Team combines all functions into MK350 to let users process data analysis operation easily. MK350 is a cost-effective LED Meter which provides CRI、CCT、LUX、λp、Spectrum、CIE x,y 6 major functions. The light weight design and the measurement data which appear instantly without computer connection solutions both enhance the usage experience in the place where people live and work. It is the perfect measurement equipment that aids the LED industry and customers greatly. The 3.5-inch colored touch screen and simple interface keep up with the times. Measuring is made easy like never before. SD card storage is an essential function that proves itself useful after one does environmental measurements for the entire day. The additional Excel file and BMP file data saving selection are just wonderful for data analysis.

About

SplitPDF

Easily divide PDF documents into smaller files by page ranges or individual pages. This app prioritizes your privacy by processing all operations directly on your device, ensuring your files never leave your iPhone or iPad. Enjoy a fast, reliable, and ad-free experience with a clean, modern interface.

Highlights
  • Split PDFs by page ranges
  • Split PDFs by single pages
  • On-device processing for privacy
  • No watermarks
  • Works offline
  • No account required
Features
Read full description

Split PDF lets you split one PDF into multiple files by page ranges or single pages. Every operation runs 100% on your device using Apple's native PDF engine. Your documents are never uploaded to a server, so your private files stay private. WHY YOU'LL LOVE IT - Simple — designed to do one job, and do it well - Private — files never leave your iPhone or iPad - Fast — native, on-device processing - No watermarks added to your documents - No sign-up or account required - Works offline, anywhere - Clean, modern, easy-to-use design HOW IT WORKS 1. Open the app and import your PDF (or photos) 2. Choose your options 3. Save the result to Files, Photos, or share it anywhere No tracking. No ads watching you. Just a simple, reliable PDF tool.

Screenshots

uSpectrum MK350N4 screens
SplitPDF2 screens

Verdict

The call

The clearest difference is update cadence: SplitPDF at every 3 weeks against uSpectrum MK350N's every 2 months. uSpectrum MK350N's advantage is iOS requirement (5.1.1 vs 17.0). 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 MK350N ships an update every 2 months, SplitPDF every 3 weeks. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 7 level
uSpectrum MK350N versus SplitPDF: the parameters behind the verdict, then further details
ParameteruSpectrum MK350NSplitPDF
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS5.1.1 — better17.0
Further details — not scored
Size29 MB2 MB
Age rating4+4+
DeveloperUnited Power Research Technology CorporationCozy Suites Realty LLC

In-app purchases

None

uSpectrum MK350N

No in-app purchases

None

SplitPDF

No in-app purchases

Questions

Is uSpectrum MK350N free?
uSpectrum MK350N is free to download, with no in-app purchases.
Is SplitPDF free?
SplitPDF is free to download, with no in-app purchases.
Do uSpectrum MK350N or SplitPDF have ads?
Neither uSpectrum MK350N nor SplitPDF shows ads.
Which is updated more often, uSpectrum MK350N or SplitPDF?
uSpectrum MK350N ships an update every 2 months, and SplitPDF every 3 weeks. Most recently, uSpectrum MK350N was updated on November 6, 2026 and SplitPDF on October 31, 2026.

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