# Decibel Meter° vs 電光掲示板SP

The clearest difference is ads: 電光掲示板SP at none against Decibel Meter°'s shown. Decibel Meter°'s advantage is iOS requirement (13.0 vs 18.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Decibel Meter° | 電光掲示板SP |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | — | Every 9 days |
| Monetization | — | Free with in-app purchases |
| Size | 66 MB | 4 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Zancore Systems s.r.o.](https://appshunter.io/developer/1581624529) | [masahiko akita](https://appshunter.io/developer/1891674153) |

## What reviewers say

### Decibel Meter°

[App page](https://appshunter.io/ios/app/decibel-meter/id6759850836)

**Features:** macOS Compatibility

**In-app purchases:** none


### 電光掲示板SP

[App page](https://appshunter.io/ios/app/sp/id6771729639)

This app displays large, easy-to-read text in a scrolling LED-style or a retro flip-dot format. It's perfect for various uses like event announcements, meeting points, or fan messages, offering simple operation for quick message display.

**Highlights:** Scrolling LED-style text display, Retro flip-dot style display, Adjustable display speed and direction, Simple text input for messages, Suitable for events, meetings, and fan activities

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

**In-app purchases:** none


## Frequently asked questions

### Is Decibel Meter° free?

Decibel Meter° is free to download, with no in-app purchases.

### Is 電光掲示板SP free?

電光掲示板SP is free to download, with no in-app purchases.

### Do Decibel Meter° or 電光掲示板SP have ads?

Decibel Meter° shows ads; 電光掲示板SP does not.

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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.*