Comparison

Polyphasic sleep vs eMoods Bipolar Mood Tracker

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

Head to head
About

Polyphasic sleep

Optimize your sleep patterns to gain more awake time. This application offers various polyphasic sleep schedules and provides timely reminders for sleep and wake-up calls. Increase your daily productivity by strategically managing your rest periods.

Highlights
  • Choose from multiple polyphasic sleep schedules
  • Receive sleep and wake-up reminders
  • Biphasic sleep options
  • Everyman sleep schedule
  • Dymaxion sleep schedule
  • Uberman sleep schedule
Features
Read full description

The most valuable resource in the modern world is time, a third of which we spend on sleeping. However, you can increase your awake time up to 22 hours by sleeping more than once a day at regular intervals. This kind of sleep is called polyphasic sleep. This app allows you to choose from different polyphasic sleep schedules. After that it will remind you when it's time to go to sleep, and will wake you up on time. Sleep schedules you can choose from: Biphasic — 5-7 hours during the night and 20 minutes during the day (3 variants) Segmented (2 variants) Dual-Core Sleep (4 variants) Triphasic (2 variants) Everyman — 1.5-3.5 hours during the night and 20 minutes during the day for 3 times (3 variants) Dymaxion — 30 minutes for 4 times a day (2 variants) Uberman — 20 minutes for 6 times a day

About

eMoods Bipolar Mood Tracker

This app helps you privately track your mood, sleep, and medications to manage conditions like bipolar disorder, depression, and anxiety. Generate monthly PDF reports for your doctor to identify triggers and visualize trends with in-app graphs.

Highlights
  • Private mood tracking journal
  • Log sleep, medications, and symptoms
  • Generate monthly PDF reports for doctors
  • View in-app graphs and charts
  • Track medication changes
  • Customizable notes and emojis
Features
Read full description

~~~ EASY & PRIVATE MOOD TRACKER ~~~ Your privacy matters! eMoods never stores any of your data in the cloud or connects to any APIs. No data leaves your phone without your explicit action. eMoods is a mood tracking and charting journal perfect for logging Bipolar I, Bipolar II, Depression, Anxiety, or any general kind of mood tracking! eMoods allows you to track medication changes so that you can safely make adjustments, titrations or medication tapers with the help of your doctor and learn about what works and what doesn't. These insights can be used for titrating up to a new medication or for assistance in coming off a medication. eMoods allows you to send a monthly PDF report to your doctor ~~~ BETTER REPORTING FOR YOUR DOCTOR VISITS ~~~ Managing your mood just became easier and more effective! eMoods is a private and easy to use mood tracker and diary for journaling, logging, graphing, reporting, and managing symptoms related to Bipolar/Manic Depression, Depression, Anxiety, and other mood disorders. Start tracking, notice your triggers, and take control of your mood and other symptoms! ~~~ FEATURES ~~~ eMoods is a free mood tracker app that lets you: - Easily chart your daily highs and lows, sleep, medications, and other symptoms related to common mood disorders like Bipolar/Manic Depressive illness, Depression, and Anxiety. - Email a printable PDF report at the end of each month to your doctor or therapist to help you identify triggers or other events that could lead to an episode or relapse. - View in-app graphs and printable charts to track trends and visualize your symptoms and triggers in between appointments. - You can add emojis or any other language characters to your medication names and free-form notes which will show up in your reports. ~~~ PRIVACY IS PARAMOUNT ~~~ Privacy is extremely important to us. All information you log is stored on your phone/iPad only and never transmitted off of your device without your express permission. ~~~ OPTIONAL PRO VERSION ~~~ An in-app upgrade is available that allows you to track custom symptoms and store multiple timestamped notes per day. Your data is still completely available in the app and via export if your upgrade expires. Upgrades are auto-renewing subscriptions. Upgrade choices are as follows: - one month term, In-app purchase title “eMoods Pro Monthly” ($1.99) - one year term, In-app purchase title “eMoods Pro Yearly ($9.99) terms. Both options can be canceled at any time. • Payment will be charged to 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 • Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable The app's terms of use can be found here: https://emoodtracker.com/emoods-classic-reporting-app-terms-of-use/ The app's privacy policy can be found here: https://emoodtracker.com/emoods-classic-reporting-app-privacy-policy/

Screenshots

Polyphasic sleep3 screens
eMoods Bipolar Mood Tracker4 screens

Verdict

The call

The clearest difference is rating: eMoods Bipolar Mood Tracker at 4.8 against Polyphasic sleep's 3.8. eMoods Bipolar Mood Tracker also leads on review sentiment (91% vs 49%) and ratings volume (4.2K vs 47). Polyphasic sleep's advantage is iOS requirement (9.0 vs 12.0). On price, update cadence, ads and in-app purchases 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. Polyphasic sleep sells 1 one-off in-app purchase and eMoods Bipolar Mood Tracker sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

eMoods Bipolar Mood Tracker holds the better App Store score, 4.8 against 3.8. That said, the two scores are not equally well evidenced: eMoods Bipolar Mood Tracker has 4.2K ratings behind it against 47, so its average is the more settled of the two. Written reviews point the same way: 49% of Polyphasic sleep's written reviews are positive against 91% of eMoods Bipolar Mood Tracker's.

UpkeepUpdate frequency

Polyphasic sleep ships an update every 5 weeks, eMoods Bipolar Mood Tracker every 2 months. Both last shipped on October 17, 2026.

Scorecard4 real differences · 6 level
Polyphasic sleep versus eMoods Bipolar Mood Tracker: the parameters behind the verdict, then further details
ParameterPolyphasic sleepeMoods Bipolar Mood Tracker
PriceFreeFree
Rating3.8 (47 ratings)4.8 (4.2K ratings) — better
Positive reviews49.5% of reviews90.9% of reviews — better
Number of ratings474.2K — better
Update frequencyEvery 5 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.0 — better12.0
Further details — not scored
Size43 MB26 MB
Age rating4+4+
DeveloperAlexey KuzovkovYottaram LLC

Customer experience

Polyphasic sleep

All ratings47 ratings
Positive68.1%
Neutral8.5%
Negative23.4%
Written reviews97 reviews
Positive49.5%
Neutral20.6%
Negative29.9%

eMoods Bipolar Mood Tracker

All ratings4,196 ratings
Positive96.8%
Neutral2.3%
Negative0.9%
Written reviews232 reviews
Positive90.9%
Neutral4.3%
Negative4.7%

User reviews

Polyphasic sleep

From 47 App Store ratings

What we love

  • 👍 Simple and intuitive user interface
  • 🎨 Clean, minimalist design
  • ⏰ Effective alarm and notification system
  • 🔧 Easy schedule customization and shifting
  • 💪 Helps users manage polyphasic sleep effectively

Room to improve

  • 🐛 Outdated codebase (5+ years without updates)
  • 💰 Aggressive paywall for basic features
  • 🔧 Limited customization options
  • 📱 Incompatible with modern iOS features
  • ⚠️ Alarm doesn't work with Do Not Disturb mode

eMoods Bipolar Mood Tracker

From 4.2K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Simple and efficient
  • 📊 Helpful data visualization
  • 🔍 Useful for tracking symptoms
  • 💰 Affordable subscription

Room to improve

  • 🐛 Issues with data saving and syncing
  • 🔍 Limited customization options
  • 📊 Confusing or unclear graphs/reports
  • 💰 Subscription required for full features

Bugs and requests

Polyphasic sleep

Reported bugs

10 issues
  • Alarms produce only notifications, not actual sounds
  • Do Not Disturb mode silences alarms
  • Daylight Saving Time causes display and timing issues
  • Vibration toggle disables alarm sounds
  • Premium purchase verification fails repeatedly
Show 5 more
  • Purchase restoration not working properly
  • App crashes during purchase restoration
  • Incorrect Everyman schedule definitions
  • Potential privacy breach causing SMS spam
  • App freezes or becomes unresponsive

Requested features

17 requests
  • Apple Health integration
  • Apple Watch app and complications
  • Custom sleep schedule creation
  • Ability to snooze or delay naps
  • Sleep cycle total hours display
Show 12 more
  • Multiple preset templates
  • Sleep tracking and analytics
  • Pre-sleep reminder notifications
  • Pause/disable entire app functionality
  • Custom alarm sounds from music library
  • Adaptation plan templates
  • Educational content within app
  • Sleep quality rating after naps
  • Volume control settings
  • Dual core and other advanced schedules
  • Widget support for home screen
  • Time zone adjustment capability

eMoods Bipolar Mood Tracker

Reported bugs

3 issues
  • Notes not saving properly
  • Subscription issues/charges
  • Inconsistent data display

Requested features

5 requests
  • More granular mood/symptom tracking
  • Integration with health/fitness apps
  • Ability to export data in various formats
  • Menstrual cycle tracking
  • Medication dosage tracking

In-app purchases

1 purchases

Polyphasic sleep

One-time1
  • Full Version$9.99
2 purchases

eMoods Bipolar Mood Tracker

Subscriptions2
  • eMoods Pro$1.991 Month
  • eMoods Pro$9.991 Year

Questions

Is Polyphasic sleep free?
Polyphasic sleep is free to download, with in-app purchases available.
Is eMoods Bipolar Mood Tracker free?
eMoods Bipolar Mood Tracker is free to download, with in-app purchases available.
Which has better reviews, Polyphasic sleep or eMoods Bipolar Mood Tracker?
eMoods Bipolar Mood Tracker is rated higher. Polyphasic sleep averages 3.8 out of 5 from 47 ratings, while eMoods Bipolar Mood Tracker averages 4.8 from 4.2K ratings.
Do Polyphasic sleep or eMoods Bipolar Mood Tracker have ads?
Neither Polyphasic sleep nor eMoods Bipolar Mood Tracker shows ads.
Which is updated more often, Polyphasic sleep or eMoods Bipolar Mood Tracker?
Polyphasic sleep ships an update every 5 weeks, and eMoods Bipolar Mood Tracker every 2 months. Most recently, Polyphasic sleep was updated on October 17, 2026 and eMoods Bipolar Mood Tracker on October 17, 2026.

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