トイレの音が気にる時の流水音再生アプリWaterSound vs LETS SIGNAL
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
トイレの音が気にる時の流水音再生アプリWaterSound
This app provides soothing sound effects to mask bathroom noises, offering peace of mind in public restrooms or when facilities lack soundproofing. It features simple, touchless controls and continuous playback, with various sound options available.
- Simple and easy operation
- Touchless ON/OFF control
- Endless sound playback
- Multiple sound options
- Hygenic operation
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～スマホからの流水音でトイレに消音装置がなくてもひと安心～ 会社や学校等の外出先のトイレに消音装置が設置されてなくて困ったことはありませんか？ トイレに音消し機能が無い場合や、アウトドア等そもそも水洗式トイレがない！！ そんな時もこのアプリがあればも安心していただけます＾＾ ■このWaterSoundの特長 1．シンプルで簡単な操作 余計な機能は極限まで省いたので使い方はとっても簡単。 画面中央の水道をタッチするだけ。 2．手を触れずにスイッチのON/OFF iPhoneに手をかざすだけでも再生、停止が出来るので衛生的 3．エンドレスに流れる再生音 停止操作をしない限り再生は続きますので長めのおトイレでも安心 4．数種類の音より選択可能 流水音だけでなく動物や虫の鳴き声等、数種類の音声の中から選択できます。 ＜こんな時に役にたちます＞ 1．学校や会社のトイレに音消し機能がない時に 2．キャンプや山登り等、水洗式トイレが時 女性だけでなく、トイレの音が気になる老若男女を問わず幅広い世代にご活用していただけます。 効果音：魔王魂（森田交一） 効果音：無料効果音で遊ぼう！（小森 平） https://maou.audio/ https://taira-komori.net/
LETS SIGNAL
Simulate realistic traffic signals and crosswalks from around the world. Customize signal timings and experience different country variations. Upgrade to unlock car traffic lights.
- Realistic crosswalk signal simulation
- 7 crosswalk signals from 4 countries
- Customizable waiting, lighting, and flashing times
- Unlock car traffic lights with premium upgrade
- Push button operation
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Play with your favorite traffic signal anytime, anywhere. Realistic crosswalk signal simulator with only push button operation. Experience 7 crosswalk signals from 4 countries. Customize waiting time, lighting time, and flashing time. Upgrading to a paid premium plan allows you to see traffic lights for cars.
Screenshots
Verdict
The clearest difference is in-app purchases: トイレの音が気にる時の流水音再生アプリWaterSound at none against LETS SIGNAL's 1. LETS SIGNAL's advantage is update cadence (every 2 months vs every 133 months) and rating (4.4 vs 4.0). On price, ads 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. LETS SIGNAL sells 1 one-off in-app purchase. トイレの音が気にる時の流水音再生アプリWaterSound asks for nothing beyond the download.
LETS SIGNAL holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: LETS SIGNAL has 13 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 85% of トイレの音が気にる時の流水音再生アプリWaterSound's written reviews are positive against 100% of LETS SIGNAL's.
トイレの音が気にる時の流水音再生アプリWaterSound ships an update every 133 months, LETS SIGNAL every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | トイレの音が気にる時の流水音再生アプリWaterSound | LETS SIGNAL |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) | 4.4 (13 ratings) — better |
| Positive reviews | 85.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 13 — better |
| Update frequency | Every 133 months | Every 2 months — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, Apple Watch | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | Yuya Fujiwara | Masao Nakajima |
Customer experience
トイレの音が気にる時の流水音再生アプリWaterSound
LETS SIGNAL
In-app purchases
トイレの音が気にる時の流水音再生アプリWaterSound
No in-app purchases
LETS SIGNAL
- Upgrade to Premium$3.99
Questions
Is トイレの音が気にる時の流水音再生アプリWaterSound free?
Is LETS SIGNAL free?
Which has better reviews, トイレの音が気にる時の流水音再生アプリWaterSound or LETS SIGNAL?
Do トイレの音が気にる時の流水音再生アプリWaterSound or LETS SIGNAL have ads?
Which is updated more often, トイレの音が気にる時の流水音再生アプリWaterSound or LETS SIGNAL?
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