# 学校のチャイム vs フラット型LED信号機

The clearest difference is rating: フラット型LED信号機 at 5.0 against 学校のチャイム's 3.8. 学校のチャイム's advantage is ads (none vs shown) and update cadence (every 3 days vs every 5 months). 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.

フラット型LED信号機 holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: 学校のチャイム has 11 ratings behind it against 1, so its average is the more settled of the two.

学校のチャイム ships an update every 3 days, フラット型LED信号機 every 5 months. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | 学校のチャイム | フラット型LED信号機 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (11 ratings)](https://appshunter.io/ios/app/id1509988577/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/led/id6443762274/reviews)** |
| Number of ratings | **11** | 1 |
| Positive reviews | 32.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 5 months |
| Monetization | — | Ad-supported |
| Size | 31 MB | 16 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lisfee, Inc.](https://appshunter.io/developer/1146331015) | [SOLOGRAPH](https://appshunter.io/developer/1544367863) |

## What reviewers say

### 学校のチャイム

[App page](https://appshunter.io/ios/app/id1509988577)

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

**In-app purchases:** none


### フラット型LED信号機

[App page](https://appshunter.io/ios/app/led/id6443762274)

This app allows users to simulate traffic signals with various modes, including manual control for custom light sequences and arrow signals. It features adjustable timing, sound effects, and options for vehicle and pedestrian signals, with background and display customization.

**Highlights:** Manual, automatic, and semi-automatic modes, Customizable signal timing, Vehicle and pedestrian signals, Two sound effects, Background customization, Large display of LED section only, Vertical display for pedestrian signals only

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 学校のチャイム free?

学校のチャイム is free to download, with no in-app purchases.

### Is フラット型LED信号機 free?

フラット型LED信号機 is free to download, with no in-app purchases.

### Which has better reviews, 学校のチャイム or フラット型LED信号機?

フラット型LED信号機 is rated higher. 学校のチャイム averages 3.8 out of 5 from 11 ratings, while フラット型LED信号機 averages 5.0 from 1 ratings.

### Do 学校のチャイム or フラット型LED信号機 have ads?

フラット型LED信号機 shows ads; 学校のチャイム does not.

### Which is updated more often, 学校のチャイム or フラット型LED信号機?

学校のチャイム ships an update every 3 days, and フラット型LED信号機 every 5 months. Most recently, 学校のチャイム was updated on October 2, 2026 and フラット型LED信号機 on September 30, 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.*