# Sonu vs ToothPillow

The clearest difference is rating: Sonu at 4.4 against ToothPillow's 3.8. Sonu also leads on review sentiment (74% vs 40%) and ratings volume (227 vs 30). ToothPillow's advantage is iOS requirement (15.6 vs 17.0). 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.

Sonu holds the better App Store score, 4.4 against 3.8. That said, the two scores are not equally well evidenced: Sonu has 227 ratings behind it against 30, so its average is the more settled of the two. Written reviews point the same way: 74% of Sonu's written reviews are positive against 40% of ToothPillow's.

Sonu ships an update every 3 weeks, ToothPillow every 5 weeks. The most recent releases landed on September 14, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Sonu | ToothPillow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (227 ratings)](https://appshunter.io/ios/app/sonu/id1597730467/reviews)** | [3.8 (30 ratings)](https://appshunter.io/ios/app/toothpillow/id1600519430/reviews) |
| Number of ratings | **227** | 30 |
| Positive reviews | **74.5% of reviews** | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 191 MB | 66 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Sound Health Systems, Inc.](https://appshunter.io/developer/1500011226) | [In Hand Health, LLC](https://appshunter.io/developer/959641212) |

## 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


### ToothPillow

[App page](https://appshunter.io/ios/app/toothpillow/id1600519430)

This app connects patients with their oral care providers for progress monitoring and communication. It delivers instructions, reminders, and tracks compliance, ensuring optimal treatment outcomes under professional guidance.

**Highlights:** Doctor-managed oral care, Progress monitoring, Instructions and reminders, Compliance tracking, Secure communication with provider

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sonu free?

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

### Is ToothPillow free?

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

### Which has better reviews, Sonu or ToothPillow?

Sonu is rated higher. Sonu averages 4.4 out of 5 from 227 ratings, while ToothPillow averages 3.8 from 30 ratings.

### Do Sonu or ToothPillow have ads?

Neither Sonu nor ToothPillow shows ads.

### Which is updated more often, Sonu or ToothPillow?

Sonu ships an update every 3 weeks, and ToothPillow every 5 weeks. Most recently, Sonu was updated on September 14, 2026 and ToothPillow on September 15, 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.*