N+Chroma vs Danmaku Scroll
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
Danmaku Scroll
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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
Verdict
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
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.
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.
| Parameter | N+Chroma | Danmaku Scroll |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 3.4 (5 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 2 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.1 — better | 15.0 |
| Further details — not scored | ||
| Size | 20 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Variable Technologies LLC | 里 万 |
In-app purchases
N+Chroma
No in-app purchases
Danmaku Scroll
No in-app purchases









