SleepRec vs Murmur
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SleepRec
Record and analyze nighttime sounds to understand your sleep patterns. Review past recordings, view sound intensity statistics, and track factors affecting your sleep from a smartwatch.
- Record nighttime sounds
- Listen to past recordings
- Analyze sound intensity statistics
- View decibel level graphs
- Track sleep-affecting factors from smartwatch
- View sleep factor correlations
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SleepRec allows you to record the sounds that are emitted during the night while you are sleeping. It is possible to listen to the recordings of the previous days, in order to also check the intensity of the recorded sound. In the statistics menu, by choosing a date you can view a graph that indicates the maximum level of recorded decibels (also with the appropriate description at the top of the vertical bar), during a certain time (specific description at the bottom of the vertical bar) There is also the possibility, from a smartwatch, to add the factors (drinking water, eating, physical activity, working hours) that can affect sleep and then view them from the app.
Murmur
This app generates calming nature sounds and guided breathing exercises to help you relax and focus. It features customizable sound mixes, a pulsing breathing circle, and a draggable timer for personalized sessions. Track your progress with daily stats and enjoy an ad-free, offline experience.
- Live generated nature sounds
- Customizable sound mixing
- Pulsing breathing circle
- Draggable timer dial
- Personalized presets
- Offline functionality
- Sleep and focus statistics
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Murmur is an app that slows down with you. Sounds generated live. A breathing circle that pulses with your rhythm. A draggable timer dial. A quiet record of every night you've been here. [Six companions] Discover · time-aware recommendations Morning, afternoon, evening, late night. Each has its own mood. One tap to the quiet that fits this hour. Sounds · 28 live textures Rain, ocean, wind, fireplace, café, crickets, birds. Layer any of them, tune each volume in place. A live mix strip at the top keeps you anchored to what's actually playing. Breath · six rhythms 4-7-8, Box, Calm, Energize, Deep, Coherent. A three-layer circle pulses to your chosen pace. Background sound is an opt-in toggle, never a surprise. Timer · 1 to 120 minutes Drag the dial to set. The center shows the exact stop time. Sound fades gently over your last minutes. Presets · 17 curated + your own Cozy Night, Ocean Calm, Deep Focus, Meditation, Rainy Café, Thunderstorm. Save your own mix into "My Presets" in one tap. Stats · the journey Streak, today's minutes, a 30-day heatmap, top sounds. Nothing leaves your phone. [Three promises] · Zero network: no account, no sync, no analytics. Works in airplane mode. · Zero files: every sound is synthesized by code. The app is under 5 MB. · Zero ads: no tracking, no IAP, no "premium tier." [What's new in v2] · Stats gets a dedicated tab, not hidden in a corner · Sounds: live mix strip + 2-column big cards with inline volume · Timer: draggable dial, live "Stops at 22:11" countdown · Breathing: a "Background sound" toggle (consent by default) · Presets: each card embeds its own waveform signature · Floating mini-player stays visible across every tab [Built solo] Murmur is maintained by one indie developer. Every
Screenshots
Verdict
The clearest difference is rating: Murmur at 5.0 against SleepRec's 4.3. Murmur also leads on update cadence (every 8 days vs monthly). SleepRec's advantage is ratings volume (120 vs 1) and device support (3 vs 1). On price, ads, in-app purchases and monetization model 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.
Murmur holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: SleepRec has 120 ratings behind it against 1, so its average is the more settled of the two.
SleepRec ships an update monthly, Murmur every 8 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | SleepRec | Murmur |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (120 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 67.2% of reviews | — |
| Number of ratings | 120 — better | 1 |
| Update frequency | Monthly | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Apple Watch — better | iPhone |
| Requires iOS | 16.0 — better | 17 |
| Further details — not scored | ||
| Size | 39 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Giovanni Trenta | 颜颜 朱 |
Bugs and requests
SleepRec
Reported bugs
6 issues- App randomly turns off
- Audio playback not supported
- Crashes when pressing 'list'
- App turns off when left on to record
- Does not record sounds
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- Audio not supported on iOS 14
Requested features
5 requests- Ability to select multiple recordings to delete at once
- Option to set a decibel threshold for recording
- Spectrogram for better audio management
- Improve UI
- Add more add-ons and tweaks
Murmur
Not enough reviews yet to summarise bugs or requests.
In-app purchases
SleepRec
No in-app purchases
Murmur
No in-app purchases
