Comparison

N+Chroma vs Danmaku Scroll

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

Head to head
About

N+Chroma

Scan real-world colors using a specialized sensor and view their numerical data in various formats. Save scanned colors to collections for later comparison and analysis under different lighting conditions.

Highlights
  • Scan colors with Chroma-NODE sensor
  • Display color information (RGB, HEX, L*a*b*, CMYK)
  • Store scanned colors in collections
  • Compare scanned colors numerically
  • View color data in D65 and D50 lighting
Features
Read full description

HARDWARE REQUIRED: N+Chroma color sensor from variableinc.com PLEASE NOTE: This application requires an iPhone 4s (or newer) or an iPad 3 (or newer), or an iPad Mini, and a NODE sensor device with a Chroma module. Please see our website at www.variabletech.com for more information. The Chroma App will let you scan colors using the Chroma – NODE sensor, and displays the color information on the screen. Great for getting color information off of real world objects! Chroma provides numerical color information in: RGB, HEX, L*a*b*, and CMYK formats. The color graphic displayed on iOS device is an approximate representation of the color scanned. Exact color information can only be attained by the numerical color information. Additionally, scanned colors are stored to the user’s collections to be looked up later, or used for comparison in the Compare Color View (where you can scan colors into left and right view to get a numerical comparison of the colors). The Chroma app also enables the user to view color information in both D65 and D50 lighting environments to make using colors in other applications or web design quick and simple. Please note that for this application to run, the user must have a NODE module sensor from Variable Technologies along with a Chroma color sensor module. About NODE: NODE is a patent-pending wireless sensor platform capable of measuring, recording, and transmitting a wide array of sensor data. NODE is a Bluetooth Smart device, using the latest low energy Bluetooth standard to communicate sensor data to Bluetooth Smart Devices such as the Apple iPhone 4s, Apple iPhone 5, Apple iPad3, and Apple iPad Mini.

About

Danmaku Scroll

Features
Read full description

Danmaku Scroll is a professional LED text display tool suitable for any scenario: Core Features - 10 dynamic text effects: Smooth Scroll, Vertical Scroll, Neon Flash, Size Dynamic, Static, Char by Char, Wave, Random Blink, Solid Color, Color Transform - 5 LED-style fonts: Bold LED, Rounded LED, Monospaced LED, System, LED Digital - 14+ color and background combinations with custom color support - 16 built-in scene templates: Confession, Shout and Call, Stall Selling, Info Display, Cheer, Blessing, Live Chat, Fun and Pranks, and more - Manual font size and scroll speed adjustment Multilingual Support - Supports 13 languages: Simplified Chinese, English, Japanese, German, French, Korean, Portuguese (Brazil), Spanish, Italian, Dutch, Arabic, Swedish, Turkish - Auto-switches based on system language - All template content intelligently translated Privacy Protection - Completely offline, no network required - No personal data collection - No account registration required Usage Scenarios - Concert/fan meeting light signs - Livestream interactive text display - Stall/store advertising signs - Birthday party/wedding greetings - Information display (WiFi passwords, business hours, etc.)

Screenshots

N+Chroma4 screens
Danmaku Scroll4 screens

Verdict

The call

The clearest difference is price: N+Chroma at Free against Danmaku Scroll's $0.99. N+Chroma also leads on iOS requirement (9.1 vs 15.0). Danmaku Scroll's advantage is update cadence (every 4 days vs every 2 months). On 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

N+Chroma is free to download; Danmaku Scroll costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

N+Chroma ships an update every 2 months, Danmaku Scroll every 4 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
N+Chroma versus Danmaku Scroll: the parameters behind the verdict, then further details
ParameterN+ChromaDanmaku Scroll
PriceFree — better$0.99
Rating3.4 (5 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings5 — better—
Update frequencyEvery 2 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.1 — better15.0
Further details — not scored
Size20 MB1 MB
Age rating4+4+
DeveloperVariable Technologies LLC里 万

In-app purchases

None

N+Chroma

No in-app purchases

None

Danmaku Scroll

No in-app purchases

Questions

Is N+Chroma free?
N+Chroma is free to download, with no in-app purchases.
Is Danmaku Scroll free?
Danmaku Scroll costs $0.99, with no in-app purchases.
Do N+Chroma or Danmaku Scroll have ads?
Neither N+Chroma nor Danmaku Scroll shows ads.
Which is updated more often, N+Chroma or Danmaku Scroll?
N+Chroma ships an update every 2 months, and Danmaku Scroll every 4 days. Most recently, N+Chroma was updated on November 1, 2026 and Danmaku Scroll on October 31, 2026.

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