LED Message Board vs TRN Audio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LED Message Board
Transform your phone into a vibrant LED display. Type any message and present it full-screen in a clear, electronic signboard style. Ideal for events, cheering, or store displays, with customizable text and background colors.
- Full-screen LED display
- Customizable text colors
- Customizable background colors
- Electronic signboard style
- Ideal for events and displays
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LED Message Board turns your smartphone into a bright and eye-catching LED display. Simply type your message and show it full-screen with a clear, electronic signboard style. Perfect for events, cheering, live shows, meeting points, or store displays. Customize text and background colors to create your own unique message board.
TRN Audio
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TRN Audio 是 TRN 官方配套应用，用于连接并管理 TRN 蓝牙耳机与音频设备，让你随时掌控听感与设备状态。 【主要功能】 • 蓝牙一键连接：快速发现、连接并管理你的 TRN 设备 • 降噪与通透：切换降噪、关闭或通透模式，按场景调节强度 • 均衡器与音效：预设 EQ、自定义听感，调节低音/高音等 • 播放与音量控制：便捷调节音量与播放相关设置 • 增强体验：入耳检测、双设备连接、动态低音、3D 音效等（视机型支持） • 按键自定义：自定义手势与操控方式 • 固件升级：检查并更新设备固件，保持最佳体验 • 设备管理：修改设备名称、查找设备、重启与恢复出厂设置 【适用说明】 功能以实际连接的设备型号与固件能力为准。部分机型可能不支持全部选项。 官方网站：https://www.trnaudio.com
Screenshots
Verdict
The clearest difference is ads: TRN Audio at none against LED Message Board's shown. TRN Audio also leads on update cadence (every 4 days vs every 3 weeks) and iOS requirement (13.0 vs 15.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
LED Message Board ships an update every 3 weeks, TRN Audio every 4 days. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.
| Parameter | LED Message Board | TRN Audio |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 weeks | Every 4 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | taishin miyamoto | 娟 伍 |
In-app purchases
LED Message Board
No in-app purchases
TRN Audio
No in-app purchases
Questions
Is LED Message Board free?
Is TRN Audio free?
Do LED Message Board or TRN Audio have ads?
Which is updated more often, LED Message Board or TRN Audio?
Other comparisons
