# Delta Waves+ Sleep & Relax Now vs Float Seattle

The clearest difference is in-app purchases: Float Seattle at none against Delta Waves+ Sleep & Relax Now's 3. Float Seattle also leads on ads (none vs shown) and update cadence (weekly vs every 3 weeks). Delta Waves+ Sleep & Relax Now's advantage is device support (3 vs 1). On price and iOS requirement there is nothing between them.

Both are free to download. Delta Waves+ Sleep & Relax Now sells 3 in-app purchases, starting at $3.99 per month. Float Seattle asks for nothing beyond the download.

Delta Waves+ Sleep & Relax Now ships an update every 3 weeks, Float Seattle weekly. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Delta Waves+ Sleep & Relax Now | Float Seattle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (347 ratings)](https://appshunter.io/ios/app/delta-waves-plus-sleep-and-relax-now/id966970992/reviews)** | — |
| Number of ratings | **347** | — |
| Positive reviews | 48.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 146 MB | 38 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Equilibrium Srl](https://appshunter.io/developer/546309406) | [Daydreamer Ventures, LLC](https://appshunter.io/developer/1752624253) |

## What reviewers say

### Delta Waves+ Sleep & Relax Now

[App page](https://appshunter.io/ios/app/delta-waves-plus-sleep-and-relax-now/id966970992)

This app uses scientifically-backed brainwave entrainment frequencies combined with nature sounds and music to promote deep sleep, focus, and relaxation. Customize your experience with a circular slider, intuitive selectors, and a precision timer for personalized mental wellness.

**Highlights:** Circular frequency slider (0.5-80 Hz), Intuitive brainwave selector (Delta to Gamma), Customizable nature soundscapes, Built-in session timer, Expanded ambient music library, Live 24/7 ad-free radio, HealthKit integration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Delta Waves+ LEGACY Sub | $3.99 | per month |
| Delta Waves+ Monthly Sub | $5.99 | per month |
| Delta Waves+ Yearly Sub | $39.99 | per year |

**What reviewers like**

- 😌 Effective sleep aid
- 🎶 Pleasant soundscapes
- 🧘‍♀️ Promotes relaxation
- 🌙 Helps with insomnia
- 😴 Aids in deeper sleep

**What reviewers complain about**

- 💰 Increased price, reduced value
- 👎 Removed original music
- 💸 Unwanted monthly fees
- 😠 Frustrating glitches
- 🚫 No background play

**Reported bugs**

- Timer doesn't work
- Brain wave audio issues on iPad
- App stops sound with ads
- App stops working with screen off
- Paid subscription features removed

**Requested features**

- Bring back original music
- Allow background play
- Show Hz rating when adjusting waves
- Manage volume of delta waves
- Add Isochronic waves


### Float Seattle

[App page](https://appshunter.io/ios/app/float-seattle/id6804046185)

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

**In-app purchases:** none


## Frequently asked questions

### Is Delta Waves+ Sleep & Relax Now free?

Delta Waves+ Sleep & Relax Now is free to download, with in-app purchases available.

### Is Float Seattle free?

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

### Do Delta Waves+ Sleep & Relax Now or Float Seattle have ads?

Delta Waves+ Sleep & Relax Now shows ads; Float Seattle does not.

### Which is updated more often, Delta Waves+ Sleep & Relax Now or Float Seattle?

Delta Waves+ Sleep & Relax Now ships an update every 3 weeks, and Float Seattle weekly. Most recently, Delta Waves+ Sleep & Relax Now was updated on November 1, 2026 and Float Seattle on November 6, 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.*