# SleepTune - Deep Sleep Sounds — White Noise & Sleep Calculator

> Calculates optimal sleep and wake times based on 90-minute sleep cycles. (iPhone/iPad app by 佳成 姚.)

- Source: https://appshunter.io/ios/app/sleeptune-deep-sleep-sounds/id6747636502 (this page in markdown: same URL + `.md`)
- Developer: [佳成 姚](https://appshunter.io/developer/1571291968)
- Category: Health & Fitness, Utilities
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.0 · 166 MB
- Languages: American English
- Released: 2025-06-23
- Data updated: 2026-08-14
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/sleeptune-deep-sleep-sounds/id6747636502/reviews.md

## What is SleepTune?

SleepTune - Deep Sleep Sounds

Relax, Unwind, and Sleep Better

Create the perfect atmosphere for sleep with calming sounds, soothing white noise, and relaxing ambient audio.

Whether you’re winding down after a long day, trying to block out distracting noise, or building a more peaceful bedtime routine, SleepTune helps you relax and drift off more easily.

KEY FEATURES:

• Relaxing sleep sounds and ambient audio
• Soothing white noise to mask unwanted sounds
• Sleep timer for automatic playback stop
• Calculate the best bedtime for your desired wake-up time
• Find ideal wake-up times when going to bed now
• Simple and intuitive interface
• Elegant dark design made for nighttime use

SLEEP SOUNDS FOR EVERY NIGHT

Choose calming audio designed to create a peaceful sleeping environment. Use white noise and relaxing sounds while sleeping, resting, reading, meditating, or simply taking a break.

SET A SLEEP TIMER

Select how long you want your sleep sounds to play. SleepTune will automatically stop the audio when the timer ends, so you can relax without leaving your phone playing all night.

PLAN YOUR SLEEP

SleepTune also includes a simple sleep calculator based on natural 90-minute sleep cycles.

Enter the time you want to wake up to discover suggested bedtimes, or calculate the best times to wake up when you’re heading to bed now. The calculator also allows approximately 15 minutes for falling asleep.

A BETTER BEDTIME ROUTINE

Whether you prefer gentle ambient sounds, steady white noise, or a smarter sleep schedule, SleepTune gives you simple tools to make your nights more relaxing and your mornings more comfortable.

Download SleepTune today and turn bedtime into a calmer, more peaceful experience.

Terms of Use: https://tapgems.com/apps/sleeptune/terms.html
Privacy Policy: https://tapgems.com/apps/sleeptune/privacy.html

## Key features

- Calculate optimal bedtime
- Find best wake-up times
- Simple interface
- Dark design
- Based on 90-minute sleep cycles

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/sleeptune-deep-sleep-sounds/id6747636502/reviews.md

### 5/5 — Great for better sleep

*2026-06-08*

Lovely white noise and soothing audio. I fall sleep much faster now. Highly recommend!

## Frequently asked questions about SleepTune

### How does Sleep Calculator determine the best wake-up times?

Sleep Calculator assumes it takes about 15 minutes to fall asleep and calculates ideal wake times based on complete 90-minute sleep cycles. It aims to wake you between these cycles for a more refreshed feeling.

### What is the optimal bedtime calculation for Sleep Calculator?

You can input your desired wake-up time, and Sleep Calculator will suggest the optimal bedtime to align with your natural 90-minute sleep cycles, helping you avoid waking up mid-cycle.

### Does Sleep Calculator have ads?

Yes, Sleep Calculator contains advertisements. It is offered as a free application supported by ads.

### What devices does Sleep Calculator support?

Sleep Calculator is supported on iPhone and iPod devices. It is designed for iOS users.

### What is the age rating for Sleep Calculator?

Sleep Calculator has an age rating of 4+, making it suitable for a wide range of users.

### How often is Sleep Calculator updated?

The latest version of Sleep Calculator is 1.1.0, and it was last updated on June 5, 2026. Updates aim to improve functionality and user experience.

### What is the user sentiment for Sleep Calculator?

Based on the available data, Sleep Calculator has a rating of 3.5 stars from 2 ratings. User feedback is limited but suggests a mixed reception.

### Is Sleep Calculator free to download?

Yes, Sleep Calculator is available for free download. The app is supported by advertisements.

## Version history (last 3 releases)

### 1.1.1 — 2026-07-23

Fixed an issue where audio could sometimes stop before the sleep timer ended.

### 1.1.0 — 2026-06-05

We've added sleep sounds and a timer feature.

### 1.0.0 — 2025-06-23

No release notes.

## Apps similar to SleepTune

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Sleep Cycle - Sleep Calculator](https://appshunter.io/ios/app/sleep-cycle-sleep-calculator/id1552695029) | 4.5 (19) | Free | Health & Fitness |
| [BrainMo: Brain Training Games](https://appshunter.io/ios/app/brainmo-brain-training-games/id6756763062) | 5.0 (10) | Free | Health & Fitness |
| [Sleep Timer – Smart alarm](https://appshunter.io/ios/app/sleep-timer-smart-alarm/id1057027109) | 4.7 (1,458) | Free | Health & Fitness |
| [Sleep Calculator Pro](https://appshunter.io/ios/app/sleep-calculator-pro/id1416795317) | 5.0 (75) | Free | Health & Fitness |
| [Sleep Calculator App](https://appshunter.io/ios/app/sleep-calculator-app/id1608356513) | 3.0 (2) | Free | Health & Fitness |
| [WikiSleep: Sleep Stories](https://appshunter.io/ios/app/wikisleep-sleep-stories/id1618506393) | 4.3 (9) | Free | Health & Fitness |

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All apps by 佳成 姚: https://appshunter.io/developer/1571291968

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-14.*