Comparison

LumiSync vs Paperless Document Scanner

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

Head to head
About

LumiSync

Features
Read full description

The Ultimate Remote Stroboscope App for Physics Experiments Enhance your physics experiments and educational activities with LumiSync, a versatile stroboscope app designed specifically for students, educators, and amateur scientists. Transform your iPhone into a precise tool for studying light, motion, and wave phenomena, complete with customizable strobe and solid light settings. Key Features: - Precise Frequency Control (1-60 Hz): Adjust the strobe’s frequency with high accuracy to study periodic motion, resonance, and wave phenomena. Explore the effects of different strobe frequencies on moving objects and analyze motion in real time. - Solid Light Mode (Screen & LED): In addition to strobe effects, LumiSync provides a continuous, solid light source. Choose any color for the screen to explore the visible light spectrum, and utilize the iPhone’s LED flashlight for bright, white light. - Customizable Screen Light Colors: Experiment with different colors on the screen to study wavelength, diffraction, refraction, and other light-related concepts. Perfect for classroom demonstrations or personal learning. - Brightness Adjustment for Optimal Conditions: Control the brightness of the screen to suit different experimental environments, ensuring precise lighting whether you’re in a bright lab or a dark room. - Remote Control via Web Portal: Conduct hands-free experiments with LumiSync’s web-based remote control. Each user receives a unique 6-character code, allowing them to control the app remotely—ideal for group experiments or educational demonstrations. - Dark Mode UI: LumiSync’s sleek dark mode ensures a comfortable experience in low-light environments, reducing screen glare and making it easier to focus on your experiments. Educational and Experimental Applications: - LumiSync is designed to be a valuable tool for physics and science education: - Wave and Motion Studies: Use the strobe function to visualize wave patterns, harmonic oscillations, and the motion of rotating objects. Investigate the relationship between frequency and motion in real time. - Color and Light Exploration: Experiment with solid light in various colors on the screen to explore concepts such as the visible spectrum, light absorption, and color theory. Switch between the customizable screen and the white LED flashlight for diverse lighting effects. - Motion Analysis: The strobe function enables high-frequency flashing, helping you freeze and slow down the motion of fast-moving objects, making it easier to analyze rotational or oscillatory motion in physics experiments. - Remote Learning and Classroom Demonstrations: LumiSync’s remote control feature, accessible via the web, allows teachers and students to control the app from any device, facilitating hands-free demonstrations and distance learning. Download LumiSync today and take your physics experiments to the next level with the power of light!

About

Paperless Document Scanner

This app allows you to scan and edit documents directly from your phone. You can assign correspondents, document types, and tags before uploading them to your Paperless-ngx instance. It also supports configuring default settings for a streamlined workflow.

Highlights
  • Scan and edit documents
  • Select from Files or Photos
  • Assign correspondents, types, and tags
  • Upload to Paperless-ngx
  • Configure default settings
Read full description

Paperless Document Scanner is a document scanner app for Paperless-ngx. Features: * Scan and edit documents * Select documents from the Files or Photos app * Assign correspondents, document types, tags and ASN to a scanned document * Upload the scanned document to your Paperless-ngx instance * Configure default correspondents, document types, tags and storage paths

Screenshots

LumiSync3 screens
Paperless Document Scanner3 screens

Verdict

The call

The clearest difference is price: Paperless Document Scanner at Free against LumiSync's $0.99. On update cadence, 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

Paperless Document Scanner is free to download; LumiSync costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 11, 2026 and September 24, 2026 respectively.

Scorecard1 real difference · 9 level
LumiSync versus Paperless Document Scanner: the parameters behind the verdict, then further details
ParameterLumiSyncPaperless Document Scanner
Price$0.99Free — better
Rating—4.5 (6 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—6 — better
Update frequencyFortnightlyFortnightly
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.0
Further details — not scored
Size4 MB3 MB
Age rating4+4+
DeveloperErfan ReedDennis App Development

In-app purchases

None

LumiSync

No in-app purchases

None

Paperless Document Scanner

No in-app purchases

Questions

Is LumiSync free?
LumiSync costs $0.99, with no in-app purchases.
Is Paperless Document Scanner free?
Paperless Document Scanner is free to download, with no in-app purchases.
Do LumiSync or Paperless Document Scanner have ads?
Neither LumiSync nor Paperless Document Scanner shows ads.
Which is updated more often, LumiSync or Paperless Document Scanner?
LumiSync ships an update fortnightly, and Paperless Document Scanner fortnightly. Most recently, LumiSync was updated on October 11, 2026 and Paperless Document Scanner on September 24, 2026.

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