# SleepStream 2 vs Coherence

The clearest difference is rating: Coherence at 4.8 against SleepStream 2's 3.8. Coherence also leads on update cadence (every 4 days vs every 2 months) and ratings volume (642 vs 33). SleepStream 2's advantage is monetization model (free with in-app purchases vs subscription) and iOS requirement (8.0 vs 15.1). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. SleepStream 2 sells 10 one-off in-app purchases and Coherence sells 6 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

Coherence holds the better App Store score, 4.8 against 3.8. That said, the two scores are not equally well evidenced: Coherence has 642 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 86% of Coherence's.

SleepStream 2 ships an update every 2 months, Coherence every 4 days. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | SleepStream 2 | Coherence |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (33 ratings)](https://appshunter.io/ios/app/sleepstream-2/id432771824/reviews) | **[4.8 (642 ratings)](https://appshunter.io/ios/app/coherence-breathwork/id6740344645/reviews)** |
| Number of ratings | 33 | **642** |
| Positive reviews | 81.5% of reviews | **85.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 31 MB | 225 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Explosive Apps](https://appshunter.io/developer/300812186) | [John Sweeney](https://appshunter.io/developer/1789596075) |

## 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


### Coherence

[App page](https://appshunter.io/ios/app/coherence-breathwork/id6740344645)

Master your nervous system through guided breathwork. Access over 500 breathing patterns to shift your state, from calm and focus to energy and sleep. Connect with a global community in live sessions and create custom routines.

**Highlights:** Nervous system interface via breath, Shift states: calm, focus, energy, sleep, Daily global live breathing sessions, 500+ research-backed breathing patterns, Custom breathing sequence creator, Progress tracking and stats, Community features and leaderboards

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coherence Monthly Membership | $14.99 | per month |
| Coherence Membership | $69.99 | per year |
| Coherence Friend Pass | $69.99 | per year |
| Coherence Membership | $69.99 | per year |
| Coherence Membership | $69.99 | per year |
| Coherence | $69.99 | per year |

**What reviewers like**

- 👍 Excellent accessibility and interface
- 🚀 Great integration into daily routine
- 👍 Amazing experience and awesome sequences
- 👍 Breathwork is one of the best things for health
- 👍 Helps cut down on vices, boost vibes, and be a smooth operator


## Frequently asked questions

### Is SleepStream 2 free?

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

### Is Coherence free?

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

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

Coherence is rated higher. SleepStream 2 averages 3.8 out of 5 from 33 ratings, while Coherence averages 4.8 from 642 ratings.

### Do SleepStream 2 or Coherence have ads?

Neither SleepStream 2 nor Coherence shows ads.

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

SleepStream 2 ships an update every 2 months, and Coherence every 4 days. Most recently, SleepStream 2 was updated on November 1, 2026 and Coherence on November 4, 2026.

---

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