# Sonu vs Empower Sleep

The clearest difference is rating: Empower Sleep at 4.9 against Sonu's 4.4. Empower Sleep also leads on review sentiment (95% vs 72%) and iOS requirement (16.0 vs 18.0). Sonu's advantage is ratings volume (232 vs 61). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Empower Sleep holds the better App Store score, 4.9 against 4.4. Both are backed by a comparable volume of ratings — 232 and 61 respectively. Written reviews point the same way: 72% of Sonu's written reviews are positive against 95% of Empower Sleep's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 23, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Sonu | Empower Sleep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (232 ratings)](https://appshunter.io/ios/app/sonu/id1597730467/reviews) | **[4.9 (61 ratings)](https://appshunter.io/ios/app/empower-sleep/id6463002288/reviews)** |
| Number of ratings | **232** | 61 |
| Positive reviews | 71.7% of reviews | **94.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 209 MB | 17 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Sound Health Systems, Inc.](https://appshunter.io/developer/1500011226) | [Empower Sleep Inc.](https://appshunter.io/developer/1703764646) |

## What reviewers say

### Sonu

[App page](https://appshunter.io/ios/app/sonu/id1597730467)

This app offers personalized, drug-free acoustic resonance therapy for nasal congestion relief. It uses AI and facial scanning to tailor treatments, delivered via a separate wearable band. Track your progress and enjoy convenient, at-home therapy sessions.

**Highlights:** Personalized acoustic resonance therapy, Drug-free treatment, AI-enhanced facial scanning, Bluetooth connectivity, Treatment session tracking, Micro vibration options

**In-app purchases:** none

**What reviewers like**

- 👍 Product works well
- 👍 Drug-free congestion relief
- 👍 Effective for sinus issues
- 👍 Helps with breathing
- 👍 Revolutionary technology

**What reviewers complain about**

- 🐛 App has declined
- 🐛 New app confusing
- 🐛 Old features gone
- 🐛 Core functionality buried
- 🐛 Difficult to use (new app)

**Reported bugs**

- Infinite login loop
- App locks after session end
- Bluetooth connection issues
- Offline mode non-functional
- Cannot end session

**Requested features**

- Bring back old features
- Provide battery life indicator
- Add warning for high audio
- Restore alignment check
- Allow disconnection from band


### Empower Sleep

[App page](https://appshunter.io/ios/app/empower-sleep/id6463002288)

Track your sleep patterns to receive personalized insights and a tailored care plan. Consult with a professional sleep care team for science-backed treatments like CBTi therapy or CPAP. An FDA-approved at-home sleep test helps diagnose and treat sleep issues.

**Highlights:** Sleep tracking and insights, Personalized care plans, Professional sleep care team, At-home sleep testing (SleepImage), Diagnosis and treatment of sleep apnea, CBTi therapy and CPAP support

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

**In-app purchases:** none


## Frequently asked questions

### Is Sonu free?

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

### Is Empower Sleep free?

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

### Which has better reviews, Sonu or Empower Sleep?

Empower Sleep is rated higher. Sonu averages 4.4 out of 5 from 232 ratings, while Empower Sleep averages 4.9 from 61 ratings.

### Do Sonu or Empower Sleep have ads?

Neither Sonu nor Empower Sleep shows ads.

### Which is updated more often, Sonu or Empower Sleep?

Sonu ships an update every 3 weeks, and Empower Sleep every 3 weeks. Most recently, Sonu was updated on October 23, 2026 and Empower Sleep on October 27, 2026.

---

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