Comparison

LightSpectrum Pro vs TeleScroll

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

Head to head
About

LightSpectrum Pro

Measure light source color temperature and spectrum accurately without expensive equipment. View the color spectrum from 360nm to 800nm, and analyze the white point on the CIE 1931 diagram. Overlay filtered wavelengths on camera images to see frequency reflections and intensity.

Highlights
  • Color temperature measurement
  • Color spectrum analysis (360nm-800nm)
  • CIE 1931 white point display
  • Wavelength filtering and overlay
  • High accuracy compared to professional devices
Features
Currently charting
Read full description

With LightSpectrumPro EVO you can measure the color temperature of a light source without having to spend hundreds of dollars on professional devices. LightSpectrumPro EVO has an error of 2 - 8% compared to existing professional products on the market. in addition to the color temperature measurement in Kelvin, LightSpectrumPro EVO allows you to view the color spectrum of the light being examined with a band ranging from 360nm to 800nm. in addition to the spectrum it is possible to display the position of the white point on the CIE 1931 diagram and to apply a filter for wavelengths to display in overlay on the image captured by the cameras which elements reflect a specific frequency and with what intensity.

About

TeleScroll

This teleprompter application offers advanced features for broadcast professionals and novices alike. It enables dual-screen synchronization, extensive text customization, and script management for seamless presentations.

Highlights
  • Multi-Platform Dual Screen Synchronization
  • Support for multiple languages
  • Configurable text formatting (fonts, colors, alignment)
  • Built-in text editor with Find/Replace
  • Bookmark and multi-script support
  • Action assignment for navigation
  • Customizable application themes
Features
Read full description

TeleScroll is a powerful Teleprompter Application that offers many must-have features that is essential for broadcast professionals, while still very intuitive and easy-to-use for novice users. TeleScroll helps you to have the best experience in delivering production-ready presentations with its complete and up-to-date capabilities. TeleScroll offers many powerful features including: - Multi-Platform Dual Screen - * TeleScroll can connect two different devices via WiFi connection, where one device controls the other to display a synchronized teleprompter screen. * Different device screen sizes are automatically adapted by TeleScroll so the resulted scrolling text are still smooth and proportionally visible on both screens. * All supported platforms are fully interoperable to act as a Controller (device that controls the prompter) and also as a Host (device that display the prompter). - Main Features - * Support multiple languages (English, French, and Spanish). * Support Normal and Reversed text while scrolling, and can be configured independently on the Host and on the Controller. * Support using different Fonts and different Font Sizes. * Support using different Background Colors. * Support Left, Centered, and Right Alignment. * Support different Text Color and styles on each character such as Bold, Italic, or Underline. * Support Margins and Vertical Line Spacing. * Support showing Cue Marker with configurable position, size, color, and its shape. * Support variable Scrolling Speed and Start/Pause the prompter. * Built-in Text Editor to quickly change the script, complete with Find and Replace functions. * Support Bookmarks to quickly jumps to different script positions. * Support Multiple Scripts in one Document to quickly jump to different scripts in a single prompter session. * Support synchronizing the Editor's cursor with Prompter lines to maintain the scrolling position. * Highly configurable settings where any settings can be configured globally to be applied to all Documents and Scripts, or set specifically down to the Document and Script level. * Support opening many popular text file formats, from plain text, rich text, etc. * Support exporting into many popular text file formats, from plain text, rich text, etc. * Save Document changes to TeleScroll Document format to be compatible with all supported platforms. * Show and hide Button Slide Panels while prompting to easily clear the Prompter screen from the control buttons. * Action Assignment feature to change the default keyboard / touchpad / mouse navigation in Prompter screen. * Support Full Screen Mode in prompter with text margin adjustments (full-width, 4:3, 16:9). * Colorful Application Themes and Light / Dark modes.

Screenshots

LightSpectrum Pro4 screens
TeleScroll4 screens

Verdict

The call

The clearest difference is price: TeleScroll at Free against LightSpectrum Pro's $1.99. TeleScroll also leads on rating (5.0 vs 4.1) and update cadence (monthly vs every 3 months). LightSpectrum Pro's advantage is in-app purchases (none vs 1) and ratings volume (39 vs 2). On ads, monetization model 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

TeleScroll is free to download; LightSpectrum Pro costs $1.99 up front. TeleScroll sells 1 one-off in-app purchase. LightSpectrum Pro asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

TeleScroll holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: LightSpectrum Pro has 39 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

LightSpectrum Pro ships an update every 3 months, TeleScroll monthly. The most recent releases landed on September 22, 2026 and June 6, 2026 respectively.

Scorecard7 real differences · 4 level
LightSpectrum Pro versus TeleScroll: the parameters behind the verdict, then further details
ParameterLightSpectrum ProTeleScroll
Price$1.99Free — better
Rating4.1 (39 ratings)5.0 (2 ratings) — better
Positive reviews28.5% of reviews—
Number of ratings39 — better2
Update frequencyEvery 3 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
Best chart rank#198 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.613.0 — better
Further details — not scored
Size88 MB59 MB
Age rating4+4+
DeveloperAM PowerSoftwarePrompter People Inc.

Customer experience

LightSpectrum Pro

All ratings39 ratings
Positive76.9%
Neutral2.6%
Negative20.5%
Written reviews172 reviews
Positive28.5%
Neutral5.8%
Negative65.7%

TeleScroll

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

LightSpectrum Pro

Reported bugs

11 issues
  • App crashes on startup or during use
  • Camera feed not accessible or showing red X icon
  • Screen blinking/flashing on first launch
  • UI elements cut off on larger screens
  • Buttons unresponsive or sticky
Show 6 more
  • App freezes and cannot be exited
  • Black screen on launch
  • Inconsistent readings that change rapidly
  • App stuck on opening screen
  • Camera focus issues on iPhone X and newer models
  • Incompatibility with iOS 5, 6, and newer iPhone models

Requested features

11 requests
  • Spot metering with crosshairs or target reticle
  • Direct DUV (Delta uv) display calculation
  • Flicker detection for light sources
  • Calibration function for improved accuracy
  • Support for fluorescent light preset adjustments
Show 6 more
  • Tap-to-focus camera control
  • Landscape orientation support
  • Ability to disable tutorial tips
  • Screenshot capability in landscape mode
  • Better documentation and user guide
  • Device compatibility information in app store listing

TeleScroll

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

LightSpectrum Pro

No in-app purchases

1 purchases

TeleScroll

One-time1
  • Upgrade License$9.99

Questions

Is LightSpectrum Pro free?
LightSpectrum Pro costs $1.99, with no in-app purchases.
Is TeleScroll free?
TeleScroll is free to download, with in-app purchases available.
Which has better reviews, LightSpectrum Pro or TeleScroll?
TeleScroll is rated higher. LightSpectrum Pro averages 4.1 out of 5 from 39 ratings, while TeleScroll averages 5.0 from 2 ratings.
Do LightSpectrum Pro or TeleScroll have ads?
Neither LightSpectrum Pro nor TeleScroll shows ads.
Which is updated more often, LightSpectrum Pro or TeleScroll?
LightSpectrum Pro ships an update every 3 months, and TeleScroll monthly. Most recently, LightSpectrum Pro was updated on September 22, 2026 and TeleScroll on June 6, 2026.

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