Comparison

Polyphasic Sleep Tracker vs Deep Within

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

Head to head
About

Polyphasic Sleep Tracker

This app helps you master polyphasic sleep schedules to optimize your waking hours. It offers customizable plans, smart reminders, and HealthKit integration to track and adjust your sleep patterns.

Highlights
  • Customizable sleep plans
  • Smart sleep reminders
  • HealthKit integration
  • Dark mode
  • Multiple sleep schedule options
Features
Currently charting
Read full description

Are you looking to transform your life through a healthier, more optimized sleep schedule? Welcome to Polyphasic, your ultimate guide to polyphasic sleep schedules. This innovative and thoughtfully designed app will serve as your personal sleep coach, assisting you in mastering polyphasic sleep patterns that fit your lifestyle and help you maximize your waking hours. Polyphasic sleep involves breaking up sleep into multiple periods throughout the day. It's an alternative to monophasic sleep, where sleep occurs in one block typically at night. By adopting a polyphasic sleep schedule, some people find they can reduce total sleep time without feeling overly tired. We understand that everyone's sleep needs are unique. That's why our app is flexible and customizable, providing tools and resources to help you adopt the polyphasic sleep schedule that's right for you. Whether you're interested in trying the Everyman, Uberman, or Dymaxion schedules or just looking for a simple siesta, Polyphasic has you covered. Our mission is to make polyphasic sleep accessible and manageable for everyone, regardless of your schedule or lifestyle. Key Features: **HealthKit Integration** Polyphasic integrates seamlessly with Apple's HealthKit, allowing your intended sleep schedule to be overlaid with actual sleep data from devices like the Apple Watch. This feature bridges the gap between your sleep goals and real-world sleep patterns, enabling accurate adjustments to your polyphasic sleep plan. **Customizable Sleep Plans** Choose from pre-set polyphasic sleep schedules or customize your own based on your personal preferences and daily routine. **Smart Reminders** Our smart algorithms give you a heads-up before each sleep session and accounts for the time you need to fall asleep. **Dark Mode** We care about your eyes as much as your sleep. That's why our app comes with a dark mode to reduce eye strain during your nightly use. Polyphasic is more than just an app; it's a lifestyle. It's for the busy entrepreneur who wants to maximize productivity, the artist seeking creative hours, or the student needing more time for studies. Anyone looking to reclaim their time and live more efficiently will find value in Polyphasic. With Polyphasic, your sleep schedule meets real-world application through our seamless integration with Apple's HealthKit. This functionality allows our app to overlay your planned polyphasic sleep schedule with actual sleep data collected from devices like the Apple Watch. This way, you can compare your intended sleep periods with when you're truly sleeping, enabling you to make meaningful adjustments and ensure your polyphasic sleep plan is genuinely working for you. Through this integration, Polyphasic is not just a planning tool, but a real-time, adaptive assistant for your sleep optimization journey. Enjoy the coherence between your sleep goals and your real-world sleep patterns with Polyphasic and HealthKit! Join us on this journey towards better sleep and a more productive life. Download Polyphasic today and wake up to a new world of possibilities! Note: Please consult with a healthcare professional before significantly altering your sleep schedule. Polyphasic sleep schedules may not be suitable for everyone, particularly for those with certain health conditions or those under 18.

About

Deep Within

Features
Read full description

Begin each day with intention. End it with reflection. Deep Within brings you 18 timeless principles for daily living, drawn from the teachings of Pandit Shriram Sharma Acharya (Gurudev). Each morning, receive a principle to guide your day. Each evening, reflect on how you lived it. 2026 marks the 100th anniversary of the Akhand Deep — the eternal lamp Gurudev lit at age 15 and kept burning through a century of service and transformation. This app carries that flame forward, placing it within you. FEATURES • Daily Principle — A new pledge each morning with context from Gurudev's writings • Evening Reflection — Journal your thoughts and track your growth • Your Journey — Watch your radiance grow through a visual timeline • Shareable Quotes — Create beautiful cards to inspire others • Private & Offline — All reflections stay on your device THE 18 PLEDGES From seeing God as omnipresent to treating the body as a temple, from self-control to service, these principles offer a complete framework for purposeful living. They are not rules to follow but ideals to grow toward — one day at a time. Whether you're part of the Gayatri Pariwar or simply seeking a grounded daily practice, Deep Within meets you where you are. The eternal flame, within. Privacy Policy: https://deepwithin.app/privacy Terms of Service: https://deepwithin.app/terms

Screenshots

Polyphasic Sleep Tracker4 screens
Deep Within4 screens

Verdict

The call

The clearest difference is price: Deep Within at Free against Polyphasic Sleep Tracker's $2.49. Polyphasic Sleep Tracker's advantage is chart position (#189 vs unranked). On ads, in-app purchases, device support and iOS requirement 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

Deep Within is free to download; Polyphasic Sleep Tracker costs $2.49 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 9 level
Polyphasic Sleep Tracker versus Deep Within: the parameters behind the verdict, then further details
ParameterPolyphasic Sleep TrackerDeep Within
Price$2.49Free — better
Rating3.6 (5 ratings) — better—
Positive reviews62.5% of reviews—
Number of ratings5 — better—
Update frequencyEvery 7 months—
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
Best chart rank#189 — better—
DevicesiPhone, iPad — betteriPhone
Requires iOS17.0 — better17.6
Further details — not scored
Size2 MB3 MB
Age rating4+4+
DeveloperFiveSheep OULow Latency Labs LLC

In-app purchases

None

Polyphasic Sleep Tracker

No in-app purchases

None

Deep Within

No in-app purchases

Questions

Is Polyphasic Sleep Tracker free?
Polyphasic Sleep Tracker costs $2.49, with no in-app purchases.
Is Deep Within free?
Deep Within is free to download, with no in-app purchases.
Do Polyphasic Sleep Tracker or Deep Within have ads?
Neither Polyphasic Sleep Tracker nor Deep Within shows ads.

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