# Japanese Traffic Lights vs ○× Buzzer

The clearest difference is update cadence: ○× Buzzer at weekly against Japanese Traffic Lights's every 3 months. ○× Buzzer also leads on device support (4 vs 1) and iOS requirement (14.0 vs 17). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Japanese Traffic Lights ships an update every 3 months, ○× Buzzer weekly. The most recent releases landed on October 9, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Japanese Traffic Lights | ○× Buzzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/buzzer/id6760194564/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Ad-supported | Ad-supported |
| Size | 54 MB | 10 MB |
| Requires iOS | 17 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Yosuke Ando](https://appshunter.io/developer/1790867336) | [Legal Prompt Inc.](https://appshunter.io/developer/1490746932) |

## What reviewers say

### Japanese Traffic Lights

[App page](https://appshunter.io/ios/app/japanese-traffic-lights/id6743442524)

This app simulates Japanese traffic lights for vehicles and pedestrians, offering both LED and incandescent types. Users can customize lighting cycles, control signals manually, and even link two devices via Bluetooth for interactive play or learning.

**Highlights:** Vehicle traffic light simulation (LED/incandescent), Pedestrian traffic light simulation (LED/incandescent), Customizable lighting cycles, Manual signal control, Bluetooth multiplayer control, Flashing yellow/red light support

**Features:** macOS Compatibility

**In-app purchases:** none


### ○× Buzzer

[App page](https://appshunter.io/ios/app/buzzer/id6760194564)

This app provides a simple interface to display correct "○" or incorrect "×" symbols with distinct sounds. It offers Apple Watch control for added convenience.

**Highlights:** Displays correct "○" symbol, Displays incorrect "×" symbol, Plays distinct sounds for each symbol, Apple Watch control, Simple user interface

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Japanese Traffic Lights free?

Japanese Traffic Lights is free to download, with no in-app purchases.

### Is ○× Buzzer free?

○× Buzzer is free to download, with no in-app purchases.

### Do Japanese Traffic Lights or ○× Buzzer have ads?

Both Japanese Traffic Lights and ○× Buzzer show ads.

### Which is updated more often, Japanese Traffic Lights or ○× Buzzer?

Japanese Traffic Lights ships an update every 3 months, and ○× Buzzer weekly. Most recently, Japanese Traffic Lights was updated on October 9, 2026 and ○× Buzzer on October 28, 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.*