# OOLER vs Sleep Tracker For Sleep Well

The clearest difference is review sentiment: Sleep Tracker For Sleep Well at 82% against OOLER's 40%. Sleep Tracker For Sleep Well also leads on iOS requirement (12.0 vs 14.0). OOLER's advantage is in-app purchases (none vs 2) and rating (4.8 vs 4.4). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Sleep Tracker For Sleep Well sells 2 in-app purchases, starting at $3.99 per month. OOLER asks for nothing beyond the download.

OOLER holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 3.2K and 2.2K respectively. Written reviews complicate that: 40% of OOLER's written reviews are positive against 82% of Sleep Tracker For Sleep Well's, so the app with the better star average is not the one people write more warmly about.

OOLER ships an update every 4 weeks, Sleep Tracker For Sleep Well monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | OOLER | Sleep Tracker For Sleep Well |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (3.2K ratings)](https://appshunter.io/ios/app/ooler/id1381533477/reviews)** | [4.4 (2.2K ratings)](https://appshunter.io/ios/app/sleep-tracker-for-sleep-well/id1464912249/reviews) |
| Number of ratings | **3.2K** | 2.2K |
| Positive reviews | 40.5% of reviews | **81.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Monthly |
| Monetization | **Free** | Subscription |
| Size | 32 MB | 85 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sleepme Inc.](https://appshunter.io/developer/1381533476) | [Apps Farm LLC](https://appshunter.io/developer/1464245605) |

## What reviewers say

### OOLER

[App page](https://appshunter.io/ios/app/ooler/id1381533477)

This app controls a smart sleep system that regulates your sleeping surface temperature for optimal rest. It allows for personalized schedules, temperature adjustments, and features like a gentle warming alarm to improve your sleep and wake routines.

**Highlights:** Adjustable mattress temperature (55-110°F), Personalized sleep schedules, Temperature variations for sleep, Warm Awake alarm feature, Adjustable fan speed modes

**In-app purchases:** none

**What reviewers like**

- 💤 Improved sleep quality
- ❄️ Effective cooling/heating
- 🌙 Warm wake-up feature
- 🌟 Life-changing product
- 🛌 Comfortable sleeping experience

**What reviewers complain about**

- 🐛 Buggy app with connectivity issues
- 🕰️ Unreliable scheduling/timer features
- 🚫 Requires account/login to use
- 💧 Lack of low water level notifications
- 📱 App needs more advanced functionality

**Reported bugs**

- App randomly resets temperature settings
- Schedules not working as expected
- Bluetooth connectivity issues
- App logging users out unexpectedly
- Water level monitoring not functioning properly

**Requested features**

- Add Celsius temperature display option
- Implement variable/customizable sleep schedules
- Integrate with smart home platforms (Alexa, HomeKit, etc.)
- Add automatic shut-off timer feature
- Improve app UI and user experience


### Sleep Tracker For Sleep Well

[App page](https://appshunter.io/ios/app/sleep-tracker-for-sleep-well/id1464912249)

This app monitors your sleep cycles to enhance sleep quality. It features a smart alarm that wakes you during your lightest sleep phase, promoting energy and restfulness. Gain daily insights and graphs to understand and improve your sleep habits.

**Highlights:** Sleep cycle monitoring, Smart alarm clock, Daily sleep insights and graphs, Sleep phase tracking, Sleep aid melodies, Sleep quality analysis

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $3.99 | per month |
| Yearly Subscription | $29.99 | per year |

**What reviewers like**

- 👍 Helps with sleep
- 👍 Tracks sleep patterns
- 👍 Wakes up easily
- 👍 Relaxing sounds
- 👍 Free to use

**What reviewers complain about**

- 🐛 Inconsistent sleep tracking
- 🐛 Difficulty changing alarm settings
- 🔒 Privacy concerns with microphone access
- 💰 Paid features too expensive

**Reported bugs**

- App freezes during setup
- Constant prompts to write a review

**Requested features**

- Allow changing alarm times on different days
- Add dark mode option
- Improve user interface and navigation


## Frequently asked questions

### Is OOLER free?

OOLER is free to download, with no in-app purchases.

### Is Sleep Tracker For Sleep Well free?

Sleep Tracker For Sleep Well is free to download, with in-app purchases available.

### Which has better reviews, OOLER or Sleep Tracker For Sleep Well?

OOLER is rated higher. OOLER averages 4.8 out of 5 from 3.2K ratings, while Sleep Tracker For Sleep Well averages 4.4 from 2.2K ratings.

### Do OOLER or Sleep Tracker For Sleep Well have ads?

Neither OOLER nor Sleep Tracker For Sleep Well shows ads.

### Which is updated more often, OOLER or Sleep Tracker For Sleep Well?

OOLER ships an update every 4 weeks, and Sleep Tracker For Sleep Well monthly. Most recently, OOLER was updated on October 24, 2026 and Sleep Tracker For Sleep Well on October 24, 2026.

---

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