# Sleep Calculator App — Sleep Cycles

> Calculates optimal sleep and wake times based on sleep cycles. (iPhone/iPad app by Luz Ochoa.)

- Source: https://appshunter.io/ios/app/sleep-calculator-app/id1608356513 (this page in markdown: same URL + `.md`)
- Developer: [Luz Ochoa](https://appshunter.io/developer/1508017518)
- Category: Health & Fitness, Lifestyle
- Price: Free with in-app purchases
- Rating: 3.00/5 from 2 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.1 · 31 MB
- Languages: American English
- Released: 2022-02-03
- Data updated: 2026-08-15
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/sleep-calculator-app/id1608356513/reviews.md

## What is Sleep Calculator App?

A good day starts with a good night! Go to bed at the right time and wake up between your natural 90-minute sleep cycles to feel rested and refreshed. A good night's sleep consists of 3 to 6 complete cycles.

◦ Calculate your best bedtime
◦ Calculate your best wake-up time
◦ Select when you want to wake up
◦ Relaxing sounds and sleep meditation to help you fall asleep faster.

The average person takes about 15 minutes to fall asleep. If you wake up at one of the calculated times, you'll wake up between 90-minute sleep cycles.

The Sleep Calculator app helps you decide when to go to sleep so you can wake up at a specific time and ensure a good night's rest, or what time you should wake up if you want to go to sleep right now.

Completely free app.

No registration required.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://scannercalorieios2024.web.app/

## Key features

- Calculate best bedtime
- Calculate best wake-up time
- Select desired wake-up time
- Relaxing sounds
- Sleep meditation
- No registration required

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Lifetime Premium Subscription | $6.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/sleep-calculator-app/id1608356513/reviews.md

### 1/5 — Terrible app

*2024-11-20*

This app is so filled with ads it’s unusable. By the time I’ve got through trying to close all the ads I’ve missed the time it tells me I should’ve gone to bed

## Frequently asked questions about Sleep Calculator App

### How does Sleep Calculator App determine the best bedtime?

Sleep Calculator App calculates your best bedtime by working backward from your desired wake-up time, factoring in natural 90-minute sleep cycles. It aims to have you wake up at the end of a cycle.

### What is the average time it takes to fall asleep according to Sleep Calculator App?

The app suggests that the average person takes about 15 minutes to fall asleep. This is considered in its calculations to ensure you are asleep before your desired wake-up window.

### Does Sleep Calculator App require registration?

No, Sleep Calculator App does not require any registration. You can start using its features immediately upon downloading the app.

### What devices is Sleep Calculator App available on?

Sleep Calculator App is available on iPhone, iPad, and iPod. It is designed to be compatible with these Apple devices.

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

Sleep Calculator App has an age rating of 4+. This indicates it is suitable for children and adults.

### How often is Sleep Calculator App updated?

The latest version of Sleep Calculator App is 8.4, and it was last updated on March 16, 2026. This suggests a recent update, though specific update frequency is not detailed.

### Does Sleep Calculator App have ads?

Yes, Sleep Calculator App contains advertisements. It is a free app that supports its development through ads.

### What are the sleep cycle recommendations for Sleep Calculator App?

Sleep Calculator App recommends aiming for 3 to 6 complete 90-minute sleep cycles for a good night's sleep. Waking up at the end of a cycle is key to feeling rested.

## Version history (last 5 releases)

### 8.6 — 2026-07-07

Some errors from the previous version were corrected.

### 8.4 — 2026-03-16

Some errors from the previous version were corrected.

### 8.2.0 — 2026-03-02

New, fast, and easy-to-use interface.
New relaxing soundtracks for sleep.
New soundtracks for meditation while you sleep.
Automatic sound shut-off added.
All bugs from the previous version have been fixed.

### 9 — 2025-07-25

Fixed some bugs

### 6.0 — 2024-09-19

Some bugs have been fixed.

## Apps similar to Sleep Calculator App

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Good Time — Sleep Calculator](https://appshunter.io/ios/app/good-time-sleep-calculator/id1510846801) | 3.6 (5) | 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 Cycle Bedtime Calculator](https://appshunter.io/ios/app/sleep-cycle-bedtime-calculator/id1668639153) | 4.1 (280) | Free | Health & Fitness |
| [Sleep Time Calc](https://appshunter.io/ios/app/sleep-time-calc/id1480080607) | — | Free | Health & Fitness |
| [Sleep Calculator Pro](https://appshunter.io/ios/app/sleep-calculator-pro/id1416795317) | 5.0 (75) | Free | Health & Fitness |
| [Sleep Cycle - Sleep Calculator](https://appshunter.io/ios/app/sleep-cycle-sleep-calculator/id1552695029) | 4.5 (19) | Free | Health & Fitness |

## More apps by Luz Ochoa

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All apps by Luz Ochoa: https://appshunter.io/developer/1508017518

## Related topics

[sleep calculator plus](https://appshunter.io/ios/topics/sleep-calculator-plus) · [sleep calculator app](https://appshunter.io/ios/topics/sleep-calculator-app)

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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 2026-08-15.*