Polyphasic Sleep Tracker vs CrossBorders
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Customizable sleep plans
- Smart sleep reminders
- HealthKit integration
- Dark mode
- Multiple sleep schedule options
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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.
CrossBorders
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What if you're simply in the wrong place? CrossBorders turns your priorities into a personalized, explainable ranking of 283 cities worldwide. Tell us how you want to live: work, money, climate, community, pace, and plans. Then see which cities actually match your life, and why. HOW IT WORKS • Pick what matters most: your must-haves and your true dealbreakers • All 283 cities are scored against your profile, on more than 100 grounded data points per city • You get a ranked list and a personal archetype that captures what you are really looking for • Open any city to see exactly why it fits, and where it falls short WHAT'S INSIDE • Complete city dossiers, from rank 1 to 283 • Scores across every quality area: affordability, climate, safety, healthcare, culture, career, public life, and more • Real cost context: rent and prices in local currency, shown against local incomes • Compared-to-home context, so every number means something • City maps that work offline • Saved runs you can rename and pin, kept on your device BUILT TO EXPLAIN, NOT JUST RANK Every score traces back to real, comparable data. CrossBorders shows its reasoning: the strengths, the trade-offs, and how each quality area contributes. You never have to trust a generic list hiding behind a single number. PRIVATE BY DESIGN No sign-up, no profile, no ads. Your runs live on your device, and you can delete them any time. CrossBorders provides informational relocation-fit comparisons. It is not legal, visa, tax, financial, or immigration advice. Always verify important decisions with current official and professional sources.
Screenshots
Verdict
The clearest difference is price: CrossBorders at Free against Polyphasic Sleep Tracker's $2.49. CrossBorders also leads on update cadence (every 3 weeks vs every 7 months) and iOS requirement (15.1 vs 17.0). Polyphasic Sleep Tracker's advantage is in-app purchases (none vs 1). On 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
CrossBorders is free to download; Polyphasic Sleep Tracker costs $2.49 up front. CrossBorders sells 1 one-off in-app purchase. Polyphasic Sleep Tracker asks for nothing beyond the download.
Polyphasic Sleep Tracker ships an update every 7 months, CrossBorders every 3 weeks. The most recent releases landed on November 3, 2026 and October 10, 2026 respectively.
| Parameter | Polyphasic Sleep Tracker | CrossBorders |
|---|---|---|
| Price | $2.49 | Free — better |
| Rating | 3.6 (5 ratings) — better | — |
| Positive reviews | 62.5% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 7 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 2 MB | 108 MB |
| Age rating | 4+ | 4+ |
| Developer | FiveSheep OU | Alexander Burkhard |
In-app purchases
Polyphasic Sleep Tracker
No in-app purchases
CrossBorders
- Full Ranking$3.99
Questions
Is Polyphasic Sleep Tracker free?
Is CrossBorders free?
Do Polyphasic Sleep Tracker or CrossBorders have ads?
Which is updated more often, Polyphasic Sleep Tracker or CrossBorders?
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