Comparison

Polyphasic sleep vs Quitzilla

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

Quitzilla

This app helps you overcome addictions and bad habits by tracking your progress, calculating money saved, and providing motivational content. Analyze your habits, set goals, and stay motivated with daily quotes and personalized reasons to quit.

Highlights
  • Track multiple habits
  • Calculate money saved
  • Personalized motivation
  • Detailed statistics
  • Customizable habits
  • Quote of the day
Read full description

Overcoming addiction is hard. With Quitzilla you can follow all of your bad habits or addictions and use the app as help to analyze them and beat them. Stay clean and sober, overcome any addiction or habit which is holding you back from becoming a better version of yourself. BAD HABITS TRACKER Commit to quit "cold turkey"! You can add the exact day of the last time you did it, the money you usually spend on it, and let it serve as your starting point. From then on you can get tons of interesting statistics about it. The abstinence time and money saved are the leading statistics. REWARDS The rewards feature is actually a calculation of the money saved. For example, if you’ve spent $100 on gambling weekly, and you haven’t gambled for a week, then those $100 are your weekly reward. This serves as great motivation to quit alcohol, cigarettes, junk food, or anything similar that costs us money and is bad for our body and health. MOTIVATION Quitzilla also features a motivation tab in which you can add your own reasons to quit your addiction and bad habits. Simply list all of the benefits of quitting and let them serve you as a motivation for you to continue your journey of overcoming addictions. USEFUL STATISTICS The app keeps relevant statistics about each of your bad habits. From entering the day you quit and maximum abstinence period, to keep a record of the money, time spent on addiction, and average abstinence period. QUOTE OF THE DAY To keep you motivated and focused in your quest to get rid of the addictions, Quitzilla will display you “Quote of the Day” from various famous authors. FEATURES: - track multiple habits simultaneously. - easy and simple tracking of bad habits and addictions - help in quitting alcohol, drug, caffeine, food, sugar, etc. - customize your bad habits - rewards system - motivation with reasons why to quit a certain habit - detailed statistics about each addiction - quote of the day for motivation and keeping focus Terms of service: https://www.despdev.com/terms_of_use_quitzilla_ios.html Privacy policy: https://www.despdev.com/privacy_policy_quitzilla_ios.html

Screenshots

Polyphasic sleep3 screens
Quitzilla4 screens

Verdict

The call

The clearest difference is rating: Quitzilla at 4.8 against Polyphasic sleep's 3.8. Quitzilla also leads on review sentiment (73% vs 50%) and ratings volume (1.5K vs 47). Polyphasic sleep's advantage is update cadence (every 5 weeks vs every 10 months) and iOS requirement (9.0 vs 26.0). On price, ads, in-app purchases and monetization model 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 Quitzilla sells 7 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Quitzilla holds the better App Store score, 4.8 against 3.8. That said, the two scores are not equally well evidenced: Quitzilla has 1.5K ratings behind it against 47, so its average is the more settled of the two. Written reviews point the same way: 50% of Polyphasic sleep's written reviews are positive against 73% of Quitzilla's.

UpkeepUpdate frequency

Polyphasic sleep ships an update every 5 weeks, Quitzilla every 10 months. The most recent releases landed on September 17, 2026 and October 2, 2026 respectively.

Scorecard5 real differences · 5 level
Polyphasic sleep versus Quitzilla: the parameters behind the verdict, then further details
ParameterPolyphasic sleepQuitzilla
PriceFreeFree
Rating3.8 (47 ratings)4.8 (1.5K ratings) — better
Positive reviews50.0% of reviews72.9% of reviews — better
Number of ratings471.5K — better
Update frequencyEvery 5 weeks — betterEvery 10 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPod — betteriPhone
Requires iOS9.0 — better26.0
Further details — not scored
Size43 MB50 MB
Age rating4+12+
DeveloperAlexey KuzovkovAndrii Hula

Customer experience

Polyphasic sleep

All ratings47 ratings
Positive68.1%
Neutral8.5%
Negative23.4%
Written reviews88 reviews
Positive50.0%
Neutral20.5%
Negative29.5%

Quitzilla

All ratings1,501 ratings
Positive94.9%
Neutral2.3%
Negative2.7%
Written reviews192 reviews
Positive72.9%
Neutral11.5%
Negative15.6%

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

Quitzilla

From 1.5K App Store ratings

What we love

  • 👍 Clean interface and simplicity
  • 🚀 Tracks progress down to seconds
  • 💪 Helps with quitting addictions
  • 🎉 Motivating and encouraging

Room to improve

  • 💰 Premium subscription is expensive
  • 🔒 Premium required for more features
  • 🤔 Confusing for some preset habits
  • 🐛 Counters not updating properly

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

Quitzilla

Reported bugs

2 issues
  • Inability to set language to Chinese
  • Premium not working after device change

Requested features

5 requests
  • Add widget option
  • Allow more than 2 habits in free version
  • Offer one-time purchase option for premium
  • Add ability to remove motivational messages
  • Improve sync and time tracking accuracy

In-app purchases

1 purchases

Polyphasic sleep

One-time1
  • Full Version$9.99
7 purchases

Quitzilla

Subscriptions6
  • 1 Week$5.997 Days
  • 1 Month$5.991 Month
  • 6 Months$24.996 Months
Show 3 more
  • 1 Year1 Year trial$29.991 Year
  • 1 Year$29.991 Year
  • 1 Year7 Days trial$29.991 Year
One-time1
  • Lifetime$89.99

Questions

Is Polyphasic sleep free?
Polyphasic sleep is free to download, with in-app purchases available.
Is Quitzilla free?
Quitzilla is free to download, with in-app purchases available.
Which has better reviews, Polyphasic sleep or Quitzilla?
Quitzilla is rated higher. Polyphasic sleep averages 3.8 out of 5 from 47 ratings, while Quitzilla averages 4.8 from 1.5K ratings.
Do Polyphasic sleep or Quitzilla have ads?
Neither Polyphasic sleep nor Quitzilla shows ads.
Which is updated more often, Polyphasic sleep or Quitzilla?
Polyphasic sleep ships an update every 5 weeks, and Quitzilla every 10 months. Most recently, Polyphasic sleep was updated on September 17, 2026 and Quitzilla on October 2, 2026.

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