# 電光掲示板 vs HeyDrum！

The clearest difference is in-app purchases: HeyDrum！ at none against 電光掲示板's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 電光掲示板 sells 1 one-off in-app purchase. HeyDrum！ asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on November 10, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | 電光掲示板 | HeyDrum！ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 days | Every 5 days |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 21 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KUREHO](https://appshunter.io/developer/1884942706) | [Fumiaki Mogi](https://appshunter.io/developer/1880067044) |

## What reviewers say

### 電光掲示板

[App page](https://appshunter.io/ios/app/led/id6814449005)

Transform your phone screen into a vibrant LED display. Easily create scrolling text messages for events, signs, or fun. Customize colors, speed, and dot size for a personalized effect.

**Highlights:** Scrolling LED text display, Customizable text and background colors, Adjustable scrolling speed and dot size, Full-screen display, Preset message saving, Decorative effects (Plus version)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus | $3.99 | one-time |


### HeyDrum！

[App page](https://appshunter.io/ios/app/heydrum/id6824921157)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 電光掲示板 free?

電光掲示板 is free to download, with in-app purchases available.

### Is HeyDrum！ free?

HeyDrum！ is free to download, with no in-app purchases.

### Do 電光掲示板 or HeyDrum！ have ads?

Both 電光掲示板 and HeyDrum！ show ads.

### Which is updated more often, 電光掲示板 or HeyDrum！?

電光掲示板 ships an update every 5 days, and HeyDrum！ every 5 days. Most recently, 電光掲示板 was updated on November 10, 2026 and HeyDrum！ on November 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*
