Librarian vs SoundMute
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Librarian
This app helps you concentrate by alerting others when noise levels exceed your set sensitivity. It's useful for quiet work or waking up to sounds in new environments.
- Set audio level sensitivity
- Alerts others with a 'shhhh'
- Helps concentration
- Useful for waking up
- Simple interface
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Wish you could automatically tell the people around you to be quiet while you're trying to concentrate on an important task? Want to wake up at the slightest noise around you in an unfamiliar environment? Librarian for the iPhone does all of this (and more coming soon)! Simply set the audio level sensitivity and tap start to begin. Once the noise surrounding you exceeds the set sensitivity level, those around you will be politely notified with a "shhhh". Initial app icon resource courtesy of https://www.iconfinder.com If you like Librarian, please take the time to give us a nice review. It really helps us in the end.
SoundMute
This app provides a variety of natural sounds to mask bathroom noises, helping users feel more comfortable. It offers 10 distinct sound options, including toilet flushes and weather effects, with a simple interface for quick playback.
- 10 natural masking sounds
- Toilet flush sound
- Water sounds
- Weather sounds
- Plays in silent mode
- Remembers last selected sound
- Prevents screen sleep
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A sound masking app for those who feel self-conscious about bathroom noises. Play a masking sound with a single tap. Choose from 10 natural sounds including toilet flush, bubbling streams, waterfalls, ocean ripples, heavy rain, and thunderstorms. Sounds are organized by category for quick selection. ■ Features ・10 masking sounds (Toilet, Water, Weather) ・Plays even in silent mode ・Remembers your last selected sound ・Prevents screen sleep during playback ・Simple, intuitive interface ・No ads
Screenshots
Verdict
The clearest difference is rating: Librarian at 2.6 against SoundMute's 1.7. Librarian also leads on iOS requirement (7.0 vs 17.0). SoundMute's advantage is review sentiment (100% vs 67%). On price, ratings volume, update cadence and ads 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. Neither carries in-app purchases, so what you see is what you pay.
Librarian holds the better App Store score, 2.6 against 1.7. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews complicate that: 67% of Librarian's written reviews are positive against 100% of SoundMute's, so the app with the better star average is not the one people write more warmly about.
Librarian ships an update every 5 months, SoundMute every 9 months. The most recent releases landed on October 12, 2026 and October 26, 2026 respectively.
| Parameter | Librarian | SoundMute |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (5 ratings) — better | 1.7 (3 ratings) |
| Positive reviews | 66.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 5 — better | 3 |
| Update frequency | Every 5 months — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 7.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 3 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Ari Braginsky | icot |
Customer experience
Librarian
SoundMute
In-app purchases
Librarian
No in-app purchases
SoundMute
No in-app purchases









