Sleep Calculator Pro vs Sleep Time Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sleep Calculator Pro
This app helps you determine the optimal times to go to sleep and wake up to align with your natural 90-minute sleep cycles. It calculates ideal bedtime based on your desired wake-up time and vice-versa, promoting a more rested feeling upon waking. It also includes features for tracking sleep phases and a smart alarm to wake you gently.
- Calculate best time to go to sleep
- Calculate best time to wake up
- Track and analyze sleep cycles
- Identify light, deep, and REM sleep phases
- Smart alarm for gentle wake-ups
- Bedtime notifications
Read full descriptionHide full description
Good day starts with good morning! Go to bed at the right time and wake up in between your natural 90-minute sleep cycles to feel rested and refreshed. A good night's sleep consists of 5-6 complete sleep cycles. ◦ Select when you want to wake up ◦ Calculate your best time to go to sleep ◦ Calculate the best time to wake up It takes an average human about 15 minutes to fall asleep. If you wake up at one of the calculated times, you'll rise in between 90-minute sleep cycles. Sleep Calculator helps you decide when to go to bed so that you can wake at a specific time ensuring a good night’s rest, or what time you should wake up if you want to go to bed right now. If you want to determine your real sleep cycles - our Sleep Tracker functionality allows you to track and analyze your sleep and, if done correctly, will show you your sleep progress – when you were in light, deep or REM (dream) sleep phase and the breakdown of your sleep cycles. Snoring/noise detection can be enabled as well. Our Smart Alarm will wake you up gently in the lightest sleep phase, making sure you wake up easy and rested. Bedtime notifications can also be set up so that you do not miss a proper time to go to sleep.
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 iOS requirement: Sleep Time Calc at 14.0 against Sleep Calculator Pro's 16.4. On price, ads, in-app purchases and device support 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.
| Parameter | Sleep Calculator Pro | Sleep Time Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (76 ratings) — better | — |
| Positive reviews | 93.8% of reviews | — |
| Number of ratings | 76 — better | — |
| Update frequency | Every 7 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 14.0 — better |
| Further details — not scored | ||
| Size | 24 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | DealWatch24 LLC | Pavel Moslienko |
In-app purchases
Sleep Calculator Pro
No in-app purchases
Sleep Time Calc
No in-app purchases
Questions
Is Sleep Calculator Pro free?
Is Sleep Time Calc free?
Do Sleep Calculator Pro or Sleep Time Calc have ads?
Other comparisons















