# ChromaBoard: LED Sign — 滚动字幕与多屏彩色闪屏

> 滚动字幕与多屏彩色闪屏 (iPhone/iPad app by 武 杨.)

- Source: https://appshunter.io/ios/app/chromaboard-led-sign/id6777449085 (this page in markdown: same URL + `.md`)
- Developer: [武 杨](https://appshunter.io/developer/1863302473)
- Category: Utilities
- Price: $0.99
- Age rating: 4+
- Requires: iOS 17.0 · 62 MB
- Languages: Chinese (Simplified, China), German (Germany), Italian, Japanese, French (France), American English, Brazilian Portuguese, European Spanish, Korean
- Released: 2026-06-11
- Data updated: 2026-10-19

## What is ChromaBoard?

ChromaBoard turns your iPhone or iPad into an eye-catching full-screen sign.

Cheering at a concert, labeling a stall, guiding guests at an event or posting a quick notice — type your text, pick the look and tap Start.

SCROLLING & STATIC TEXT
• Smooth marquee in four directions, adjustable speed and spacing
• Static text that auto-fits the screen
• Separate fonts for Chinese and Latin text, any text and background color

LED DOT-MATRIX
• LED, round-dot and pixel styles with adjustable dot density

COLOR FLASH
• Pulse, strobe, crossfade, barber pole, palette flow and wave
• Your own palette, speed and direction

MULTI-SCREEN
• Line up several phones and tablets as one big synchronized board
• Join by nearby discovery, QR code or manual address

MORE
• Save and share styles with a QR code
• Text history and emoji
• Full brightness and screen kept awake while playing
• iPhone Duo: two-column editor; stand it half-folded and the top half becomes a sign

## Is ChromaBoard safe?

Not enough ratings yet to assess ChromaBoard.

## Is ChromaBoard legit?

ChromaBoard: LED Sign appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for ChromaBoard is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 4 releases)

### 0.1.9 — 2026-10-16

iPhone Duo support
· Unfolded in landscape, the editor shows the preview and settings side by side
· Half-folded, layouts line up with the fold so nothing sits on the crease
· Stand it half-folded on a table: the top half becomes a sign, the bottom half has pause, speed and text controls
· QR codes for sharing and joining always fit on one half of the screen

Fixes
· Long words in static text now shrink to fit instead of breaking across lines

### 0.1.8 — 2026-10-15

【适配 iPhone Duo】
· 展开横握时编辑页左右分栏：左边预览，右边设置；iPad 横屏同样分栏
· 半折叠时分栏对齐折痕，内容不再压在折缝上
· 竖着半折叠立在桌上时，上半屏变成横幅招牌，下半屏可暂停、调速、换文字
· 横着半折叠时，静止字幕左右各显示一份，不压折缝
· 分享与连接的二维码会整张放进一个半屏，方便对方扫码
· 多屏联动中折叠或展开设备，拼接画面会自动重新分配

### 0.1.7 — 2026-06-12

本次新增应用内语言切换，可在「关于」页选择跟随系统或指定语言。

### 0.1.6 — 2026-06-11

No release notes.

## More apps by 武 杨

- [无恙时光记 - 农历万年历](https://appshunter.io/ios/app/id6756928654)
- [快扫二维码](https://appshunter.io/ios/app/id6758579304)

All apps by 武 杨: https://appshunter.io/developer/1863302473

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-19.*