# Polyphasic sleep vs eMoods Bipolar Mood Tracker

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.

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.

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.

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

## The numbers

| Metric | Polyphasic sleep | eMoods Bipolar Mood Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (47 ratings)](https://appshunter.io/ios/app/polyphasic-sleep/id1080986131/reviews) | **[4.8 (4.2K ratings)](https://appshunter.io/ios/app/emoods-bipolar-mood-tracker/id1184456130/reviews)** |
| Number of ratings | 47 | **4.2K** |
| Positive reviews | 49.5% of reviews | **90.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 43 MB | 26 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alexey Kuzovkov](https://appshunter.io/developer/609817364) | [Yottaram LLC](https://appshunter.io/developer/1184456129) |

## What reviewers say

### Polyphasic sleep

[App page](https://appshunter.io/ios/app/polyphasic-sleep/id1080986131)

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:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $9.99 | one-time |

**What reviewers like**

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

**What reviewers complain about**

- 🐛 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

**Reported bugs**

- 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

**Requested features**

- Apple Health integration
- Apple Watch app and complications
- Custom sleep schedule creation
- Ability to snooze or delay naps
- Sleep cycle total hours display


### eMoods Bipolar Mood Tracker

[App page](https://appshunter.io/ios/app/emoods-bipolar-mood-tracker/id1184456130)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| eMoods Pro | $1.99 | per month |
| eMoods Pro | $9.99 | per year |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- Notes not saving properly
- Subscription issues/charges
- Inconsistent data display

**Requested features**

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


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*