Sleep Time vs Sleep Time Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sleep Time
This app helps you fall asleep, stay asleep, and wake up refreshed with advanced sleep cycle analysis and a smart alarm. It offers detailed sleep tracking, soundscapes, and integration with Apple Health.
- Smart alarm clock with single gesture setting
- Sleep cycle analysis
- Soundscapes and white noise for falling asleep
- Detailed monthly and weekly sleep graphs
- Apple Health integration
- Instant Heart Rate integration
- Cloud backup and restore
Read full descriptionHide full description
Fall asleep, stay asleep, and wake up refreshed! Sleep Time is a complete sleep tracker and smart alarm clock. Place your phone on the bed and Sleep Time analyzes your sleep cycles through the night, then wakes you during your lightest sleep within your chosen window — so you start the day rested instead of groggy. Trusted by over 35 million users, Sleep Time is an award-winning sleep app. ------------------ 5/5 “I finally understand why I wake up tired some mornings. Sleep Time showed me my sleep cycles, and the smart alarm has made my mornings so much easier — I haven’t hit snooze in weeks.” 5/5 “I’ve tried several apps that log sleep duration and stages, and the interface of Sleep Time is the best by far. It’s easy to understand and simple to use.” 5/5 “Fascinating results. It works remarkably well providing helpful information.” Featured on: TechCrunch, Mashable, Lifehacker, 148apps, eHealth, and many others. ----------------- MAIN FEATURES √ Set the alarm clock with a single gesture √ Fall asleep to soothing soundscapes and white noise √ Alarm rings even in silent mode √ Choose from 20 built-in alarm sounds √ Wake up to your favorite song from your music library √ Sleep Lab™ with light, deep, and REM sleep analysis √ Detailed daily, weekly, and monthly graphs √ Smart wake-up window for a gentler start to the day √ Full history makes night-to-night comparison easy √ Cloud backup and restore for your sleep data √ Clear, easy-to-read interface √ Apple Health integration We build Sleep Time for our users and would love your feedback. Tell us what you think so we can keep improving the app. Upgrade to Premium for unlimited soundscapes, advanced sleep insights, priority support, and an ad-free experience with an auto-renewable subscription. We offer auto-renewable subscriptions with the following terms: - Payment will be charged to your iTunes account at confirmation of purchase - Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase - No cancellation of the current subscription is allowed during active subscription period - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication - Our privacy policy and terms of use: https://www.azumio.com/page/privacypolicy Sweet Dreams, Azumio Team
Sleep Time Calc
Read full descriptionHide full description
Optimize your sleep with the smart sleep time calculator! • Calculate the optimal time to wake up and fall asleep, customize your sleep cycles to your preferences. • Customize the app's interface to your liking. • Don't forget the importance of proper sleep preparation. A helpful reminder will remind you in time to sink into an atmosphere of tranquility before going to sleep.
Screenshots
Verdict
The clearest difference is in-app purchases: Sleep Time Calc at none against Sleep Time's 10. Sleep Time Calc also leads on ads (none vs shown) and device support (3 vs 1). On price 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. Sleep Time sells 8 in-app purchases, starting at $4.99 per month. Sleep Time Calc asks for nothing beyond the download.
| Parameter | Sleep Time | Sleep Time Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (5.4K ratings) — better | — |
| Positive reviews | 75.8% of reviews | — |
| Number of ratings | 5.4K — better | — |
| Update frequency | Monthly | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 165 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Azumio Inc. | Pavel Moslienko |
Bugs and requests
Sleep Time
Reported bugs
4 issues- Alarm not playing sound
- App crashes when trying to view sleep history
- Unable to change alarm time
- Sleep data not recording properly
Requested features
4 requests- Allow alarm to play through headphones
- Provide more sleep sound options in free version
- Add ability to manually input sleep time
- Improve ad placement and volume control
Sleep Time Calc
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Sleep Time
- Premium$4.991 Month
- Premium$8.991 Month
- Premium$9.991 Month
Show 5 moreShow fewer
- Premium7 Days trial2 variants$9.991 Month
- Premium$19.993 Months
- Premium$29.991 Year
- Premium1 Month trial2 variants$29.991 Year
- Premium$39.991 Year
Sleep Time Calc
No in-app purchases
Questions
Is Sleep Time free?
Is Sleep Time Calc free?
Do Sleep Time or Sleep Time Calc have ads?
Other comparisons















