# SleepStream 2 vs myCircadianClock

The clearest difference is review sentiment: SleepStream 2 at 81% against myCircadianClock's 19%. SleepStream 2 also leads on rating (3.8 vs 2.3) and iOS requirement (8.0 vs 15.6). myCircadianClock's advantage is in-app purchases (none vs 10) and update cadence (monthly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. SleepStream 2 sells 10 one-off in-app purchases. myCircadianClock asks for nothing beyond the download.

SleepStream 2 holds the better App Store score, 3.8 against 2.3. That said, the two scores are not equally well evidenced: myCircadianClock has 251 ratings behind it against 33, so its average is the more settled of the two. Written reviews point the same way: 81% of SleepStream 2's written reviews are positive against 19% of myCircadianClock's.

SleepStream 2 ships an update every 2 months, myCircadianClock monthly. The most recent releases landed on October 19, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | SleepStream 2 | myCircadianClock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (33 ratings)](https://appshunter.io/ios/app/sleepstream-2/id432771824/reviews)** | [2.3 (251 ratings)](https://appshunter.io/ios/app/mycircadianclock/id982118665/reviews) |
| Number of ratings | 33 | **251** |
| Positive reviews | **81.5% of reviews** | 19.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 31 MB | 56 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Explosive Apps](https://appshunter.io/developer/300812186) | [THE SALK INSTITUTE FOR BIOLOGICAL STUDIES, SAN DIEGO, CALIFORNIA](https://appshunter.io/developer/1571953378) |

## What reviewers say

### SleepStream 2

[App page](https://appshunter.io/ios/app/sleepstream-2/id432771824)

This app offers a comprehensive suite of tools to help users relax, sleep better, and manage stress. It combines calming sounds, soothing melodies, brainwave programs, and visualizations to create a deeply relaxing experience.

**Highlights:** Calming sounds and melodies, Effective brainwave programs, Beautiful visualizations, Guided voice sessions, Professionally mastered audio, Downloadable content

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Binaural Beats Pack | $0.99 | one-time |
| Sound Pack | $0.99 | one-time |
| Music Spa | $0.99 | one-time |
| Guided Relaxation | $0.99 | one-time |
| Instant Energy | $0.99 | one-time |
| Pre-sleep Meditation | $0.99 | one-time |
| Thunderstorm HD | $0.99 | one-time |
| Lucid Dreaming Binaural Beat | $1.99 | one-time |
| Anxiety Reducing Binaural Beats | $1.99 | one-time |
| Sleep Phase Follower | $1.99 | one-time |

**What reviewers like**

- 🚀 Great app
- 👍 Relaxing sounds
- 👍 Helps with sleep and focus
- 👍 Useful for meditation
- 👍 Customizable options

**What reviewers complain about**

- 🐛 Crashes and glitches
- 🐛 Deleted purchased content
- 🔋 Drains battery
- 👎 Confusing interface changes
- 👎 Aggressive ads and upsells

**Reported bugs**

- App crashes on launch
- Purchased content disappears
- Binaural beats not functioning properly
- Timer issues causing sounds to stop prematurely

**Requested features**

- Add more sound options
- Improve binaural beats quality
- Allow layering of sounds
- Add timer to start sounds at a specific time
- Improve syncing of purchased content


### myCircadianClock

[App page](https://appshunter.io/ios/app/mycircadianclock/id982118665)

This app aids research studies by tracking diet, exercise, and sleep patterns to understand their impact on health. It allows users to log food intake, sleep times, physical activity, and health metrics, with medication reminders and HealthKit integration.

**Highlights:** Log food and drink intake with camera, Record sleep times, Log physical activity, Monitor health parameters, Medication reminders, Integrates with HealthKit

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 💡 Contributes to research
- 👍 Helpful for tracking health
- 🚀 Simple and effective

**What reviewers complain about**

- 🐛 Buggy and glitchy
- 🐛 Crashes frequently
- 🐛 Data loss issues
- 🐛 Slow and unresponsive
- 🐛 Clunky and unintuitive UI

**Reported bugs**

- Login/registration issues
- Incorrect sleep time recording
- Inability to log food/activity retrospectively
- Pending data not uploading
- Notification issues

**Requested features**

- Ability to edit/delete entries
- Better data syncing and backup
- Integration with Apple Health
- More customization options
- Improved sleep tracking


## Frequently asked questions

### Is SleepStream 2 free?

SleepStream 2 is free to download, with in-app purchases available.

### Is myCircadianClock free?

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

### Which has better reviews, SleepStream 2 or myCircadianClock?

SleepStream 2 is rated higher. SleepStream 2 averages 3.8 out of 5 from 33 ratings, while myCircadianClock averages 2.3 from 251 ratings.

### Do SleepStream 2 or myCircadianClock have ads?

Neither SleepStream 2 nor myCircadianClock shows ads.

### Which is updated more often, SleepStream 2 or myCircadianClock?

SleepStream 2 ships an update every 2 months, and myCircadianClock monthly. Most recently, SleepStream 2 was updated on October 19, 2026 and myCircadianClock 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.*