# Sleep Science Alarm Clock vs Sleep Recorder Plus

Sleep Science Alarm Clock and Sleep Recorder Plus both sit at 4.4 stars, but that hides the real split: 70% of Sleep Science Alarm Clock's written reviews are positive against 32% of Sleep Recorder Plus's. Sleep Science Alarm Clock also leads on in-app purchases (none vs 5). Sleep Recorder Plus's advantage is ads (none vs shown) and update cadence (every 2 months vs every 4 months). On price, rating, ratings volume and monetization model there is nothing between them.

Both are free to download. Sleep Recorder Plus sells 5 in-app purchases, starting at $5.99 per month. Sleep Science Alarm Clock asks for nothing beyond the download.

Sleep Science Alarm Clock holds the better App Store score, 4.4 against 4.2. Both are backed by a comparable volume of ratings — 478 and 514 respectively. Written reviews point the same way: 70% of Sleep Science Alarm Clock's written reviews are positive against 32% of Sleep Recorder Plus's.

Sleep Science Alarm Clock ships an update every 4 months, Sleep Recorder Plus every 2 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Sleep Science Alarm Clock | Sleep Recorder Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (478 ratings)](https://appshunter.io/ios/app/sleep-science-alarm-clock/id966980286/reviews)** | [4.2 (514 ratings)](https://appshunter.io/ios/app/sleep-recorder-plus/id1112473413/reviews) |
| Number of ratings | 478 | **514** |
| Positive reviews | **69.7% of reviews** | 32.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 93 MB | 79 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Phase4 Mobile](https://appshunter.io/developer/787654481) | [Apirox, s.r.o.](https://appshunter.io/developer/490081296) |

## What reviewers say

### Sleep Science Alarm Clock

[App page](https://appshunter.io/ios/app/sleep-science-alarm-clock/id966980286)

Wake up gently with natural sounds and customizable sequences. Track your sleep patterns over time with detailed graphs and record daily notes to understand what affects your rest. Identify disruptive noises and log your dreams to improve your sleep quality.

**Highlights:** Natural wake-up sounds, Customizable wake-up sequences, Sleep tracking and analysis, Sleep goal monitoring, Daily notes and dream logging, Loudest sound detection, Gentle wake-up during light sleep

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

**In-app purchases:** none

**What reviewers like**

- 💤 Sleep tracking
- 🔔 Gentle alarm sounds
- 📊 Sleep data and analytics
- 🌳 Nature sounds for sleep

**What reviewers complain about**

- 🔋 Battery drain
- 🐛 Inconsistent performance
- 📱 Requires app to be open during sleep
- 🔇 Alarm issues when phone is on silent

**Reported bugs**

- App crashing after updates
- Inaccurate sleep tracking
- Alarm not working as expected

**Requested features**

- Integration with Apple Health
- Customizable alarm settings
- Improved sleep cycle analysis
- Background mode for playing sounds


### Sleep Recorder Plus

[App page](https://appshunter.io/ios/app/sleep-recorder-plus/id1112473413)

This app records sleep sounds, detects snoring with AI, and offers a smart alarm to wake you during light sleep. It also features a snoring cessation tool and provides detailed sleep statistics to help you understand factors affecting your rest.

**Highlights:** AI-powered snoring detection, Smart alarm for gentle wake-ups, Snoring cessation with sound/vibration, Sleep noise recording and analysis, Sleep factor tracking and statistics, Apple Health and iCloud integration, Apple Watch support

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version - Monthly | $5.99 | per month |
| Full Version - Yearly | $19.99 | per year |
| Themes | $0.99 | one-time |
| Sleepy Sounds | $3.99 | one-time |
| Full Version | $39.99 | one-time |

**What reviewers like**

- 🚀 Tracks sleep patterns
- 📊 Provides sleep data and statistics
- 🔊 Records sleep talking and snoring
- ⏰ Alarm functionality

**What reviewers complain about**

- 💰 Paywall for full functionality
- 🐛 Unreliable recording and playback
- 📊 Lack of information on data interpretation
- 🔇 Issues with alarm volume and settings

**Reported bugs**

- Recording issues after iOS updates
- Recordings not saving or accessible
- App freezing or crashing
- Inconsistent performance

**Requested features**

- Apple Watch integration
- Improved snoring detection
- Automatic noise filtering
- More detailed sleep analytics


## Frequently asked questions

### Is Sleep Science Alarm Clock free?

Sleep Science Alarm Clock is free to download, with no in-app purchases.

### Is Sleep Recorder Plus free?

Sleep Recorder Plus is free to download, with in-app purchases available.

### Which has better reviews, Sleep Science Alarm Clock or Sleep Recorder Plus?

Sleep Science Alarm Clock is rated higher. Sleep Science Alarm Clock averages 4.4 out of 5 from 478 ratings, while Sleep Recorder Plus averages 4.2 from 514 ratings.

### Do Sleep Science Alarm Clock or Sleep Recorder Plus have ads?

Sleep Science Alarm Clock shows ads; Sleep Recorder Plus does not.

### Which is updated more often, Sleep Science Alarm Clock or Sleep Recorder Plus?

Sleep Science Alarm Clock ships an update every 4 months, and Sleep Recorder Plus every 2 months. Most recently, Sleep Science Alarm Clock was updated on November 1, 2026 and Sleep Recorder Plus on November 2, 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.*