# iNAP Lab+ vs Sonu

The clearest difference is review sentiment: Sonu at 74% against iNAP Lab+'s 17%. Sonu also leads on rating (4.4 vs 2.1) and update cadence (every 3 weeks vs every 4 months). iNAP Lab+'s advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and monetization model 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 2.1. That said, the two scores are not equally well evidenced: Sonu has 227 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 17% of iNAP Lab+'s written reviews are positive against 74% of Sonu's.

iNAP Lab+ ships an update every 4 months, Sonu every 3 weeks. The most recent releases landed on September 20, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | iNAP Lab+ | Sonu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (9 ratings)](https://appshunter.io/ios/app/inap-lab-plus/id1486297722/reviews) | **[4.4 (227 ratings)](https://appshunter.io/ios/app/sonu/id1597730467/reviews)** |
| Number of ratings | 9 | **227** |
| Positive reviews | 16.7% of reviews | **74.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 65 MB | 191 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Somnics, Inc.](https://appshunter.io/developer/1050560993) | [Sound Health Systems, Inc.](https://appshunter.io/developer/1500011226) |

## What reviewers say

### iNAP Lab+

[App page](https://appshunter.io/ios/app/inap-lab-plus/id1486297722)

This app monitors information from compatible oximeter and therapy devices. It requires specific hardware and is intended for users in regions where the devices have regulatory clearance. Always consult a doctor for medical decisions.

**Highlights:** Oximeter monitoring, Therapy device information, Compatible device support, Regulatory clearance confirmation, Health data tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is iNAP Lab+ free?

iNAP Lab+ is free to download, with no in-app purchases.

### Is Sonu free?

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

### Which has better reviews, iNAP Lab+ or Sonu?

Sonu is rated higher. iNAP Lab+ averages 2.1 out of 5 from 9 ratings, while Sonu averages 4.4 from 227 ratings.

### Do iNAP Lab+ or Sonu have ads?

Neither iNAP Lab+ nor Sonu shows ads.

### Which is updated more often, iNAP Lab+ or Sonu?

iNAP Lab+ ships an update every 4 months, and Sonu every 3 weeks. Most recently, iNAP Lab+ was updated on September 20, 2026 and Sonu on September 14, 2026.

---

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