# Sonu vs Replenish

The clearest difference is review sentiment: Replenish at 100% against Sonu's 73%. Replenish also leads on iOS requirement (15.1 vs 18.0). 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.

## The numbers

| Metric | Sonu | Replenish |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (232 ratings)](https://appshunter.io/ios/app/sonu/id1597730467/reviews)** | — |
| Number of ratings | **232** | — |
| Positive reviews | 73.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | Free |
| Size | 209 MB | 29 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sound Health Systems, Inc.](https://appshunter.io/developer/1500011226) | [Souhail Zaki](https://appshunter.io/developer/1891993000) |

## 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


### Replenish

[App page](https://appshunter.io/ios/app/replenish-water-tracker/id6771159340)

This app helps you build a consistent water-drinking habit with a simple, quiet interface. It calculates your personal hydration goal and offers easy logging, with optional, non-intrusive reminders. Designed for focus and privacy, it keeps all your data on your device.

**Highlights:** Personalized daily hydration goal calculation, One-tap water logging, Friendly drop mascot visualizer, 30-day progress tracking, Optional customizable reminders, Light and dark mode

**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 Replenish free?

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

### Do Sonu or Replenish have ads?

Neither Sonu nor Replenish shows ads.

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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.*