Comparison

Sleep Cycle Tracker vs Sleep Cycle Simple Calculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Sleep Cycle Tracker

This app offers a unique blend of curated sounds, compelling stories, and soothing music to alleviate stress, reduce anxiety, and enhance sleep quality. It provides a user-friendly interface with personalized relaxation experiences and unguided relaxation paths.

Highlights
  • Curated sound library
  • Bedtime stories
  • Calming music
  • User-friendly design
  • Customizable playlists
  • Unguided relaxation paths
Features
Read full description

Harmony, Balance Mind and Body, brings you the ultimate relaxation experience, setting itself apart in a crowded wellness app market. Unlike other apps, Harmony offers a unique blend of carefully curated sounds, compelling stories, and soothing music designed to alleviate stress, reduce anxiety, and enhance sleep quality. Diverse Content: From the gentle whisper of rain to the serene sounds of the forest, our expansive sound library caters to all preferences. Coupled with engaging bedtime stories and calming music, Harmony offers a holistic approach to relaxation and sleep. User-Friendly Design: With a focus on simplicity and ease of use, Harmony ensures a seamless experience for all users. Navigate effortlessly through our content and find your perfect relaxation theme with just a few taps. Personalized Experiences: Tailor your relaxation journey with customizable playlists and settings that adapt to your personal preferences and needs, provides a richer variety of content, including music and stories, fostering a deeper and more varied relaxation experience. Harmony’s strength lies in its unguided relaxation paths, giving users the freedom to choose how they unwind without the guidance of a narrator. Our targeted approach to relaxation and mental well-being ensures that whether you're looking to reduce stress, conquer insomnia, or simply unwind after a long day, Harmony has something special for you. Discover the tranquility and peace that come from being in balance with your mind and body. Join thousands of users who have transformed their bedtime routines and daily stress relief practices with Harmony. Dive into a world where each sound and note brings you closer to serenity. By downloading our app, you're stepping into a journey of self-improvement and positive habit building. To ensure a smooth experience, we kindly ask you to review our Terms of Use (EULA), you can find them here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Visit our website at https://www.relaxingharmony.app/ for more information or contact us for support at contact@theready.app. Your best self is just a click away with Ready - self improvement app!

About

Sleep Cycle Simple Calculator

Features
Read full description

Wake up feeling energized and refreshed every single day! Did you know that waking up in the middle of a deep sleep cycle is the main cause of morning grogginess? Your body sleeps in natural sleep cycles, and waking up at the end of a cycle ensures you feel alert and ready to tackle the day. Sleep Cycle Simple Calculator takes the guesswork out of your bedtime routine. Whether you are heading to bed right now or need to wake up for an early meeting, our app calculates the perfect time for you to set your alarm. Dark Mode Support: A user interface that is easy on the eyes for late-night use. Stop guessing and start sleeping better. Download Sleep Cycle Simple Calculator today and master your mornings

Screenshots

Sleep Cycle Tracker4 screens
Sleep Cycle Simple Calculator4 screens

Verdict

The call

The clearest difference is in-app purchases: Sleep Cycle Simple Calculator at none against Sleep Cycle Tracker's 3. Sleep Cycle Simple Calculator also leads on update cadence (every 2 days vs monthly). Sleep Cycle Tracker's advantage is iOS requirement (13.0 vs 15.1). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Sleep Cycle Tracker sells 3 in-app purchases, starting at $1.99 per month. Sleep Cycle Simple Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

Sleep Cycle Tracker ships an update monthly, Sleep Cycle Simple Calculator every 2 days. The most recent releases landed on October 3, 2026 and October 18, 2026 respectively.

Scorecard3 real differences · 7 level
Sleep Cycle Tracker versus Sleep Cycle Simple Calculator: the parameters behind the verdict, then further details
ParameterSleep Cycle TrackerSleep Cycle Simple Calculator
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyMonthlyEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size104 MB31 MB
Age rating4+4+
DeveloperReady Apps LLC (WA)Marius Kuzminskas

In-app purchases

3 purchases

Sleep Cycle Tracker

Subscriptions2
  • Monthly Subscription$1.991 Month
  • Yearly Subscription7 Days trial$9.991 Year
One-time1
  • Lifetime subscription$19.99
None

Sleep Cycle Simple Calculator

No in-app purchases

Questions

Is Sleep Cycle Tracker free?
Sleep Cycle Tracker is free to download, with in-app purchases available.
Is Sleep Cycle Simple Calculator free?
Sleep Cycle Simple Calculator is free to download, with no in-app purchases.
Do Sleep Cycle Tracker or Sleep Cycle Simple Calculator have ads?
Neither Sleep Cycle Tracker nor Sleep Cycle Simple Calculator shows ads.
Which is updated more often, Sleep Cycle Tracker or Sleep Cycle Simple Calculator?
Sleep Cycle Tracker ships an update monthly, and Sleep Cycle Simple Calculator every 2 days. Most recently, Sleep Cycle Tracker was updated on October 3, 2026 and Sleep Cycle Simple Calculator on October 18, 2026.

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