# SleepStream 2 vs MutLab

The clearest difference is in-app purchases: MutLab at none against SleepStream 2's 10. SleepStream 2's advantage is iOS requirement (8.0 vs 13.0). On price, update cadence, ads and device support there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 7, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | SleepStream 2 | MutLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (33 ratings)](https://appshunter.io/ios/app/sleepstream-2/id432771824/reviews)** | — |
| Number of ratings | **33** | — |
| Positive reviews | 79.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 31 MB | 60 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Explosive Apps](https://appshunter.io/developer/300812186) | [Mutlab](https://appshunter.io/developer/1363984051) |

## 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


### MutLab

[App page](https://appshunter.io/ios/app/mutlab/id1576343740)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SleepStream 2 free?

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

### Is MutLab free?

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

### Do SleepStream 2 or MutLab have ads?

Neither SleepStream 2 nor MutLab shows ads.

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

SleepStream 2 ships an update every 2 months, and MutLab every 2 months. Most recently, SleepStream 2 was updated on September 7, 2026 and MutLab on September 21, 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.*