# Clear Wave vs Flow FM

The clearest difference is in-app purchases: Flow FM at none against Clear Wave's 11. Flow FM also leads on ads (none vs shown) and iOS requirement (15.6 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Clear Wave sells 11 in-app purchases, starting at $4.99 per 7 days. Flow FM asks for nothing beyond the download.

## The numbers

| Metric | Clear Wave | Flow FM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (2.4K ratings)](https://appshunter.io/ios/app/clear-wave-water-eject-app/id1602078972/reviews)** | — |
| Number of ratings | **2.4K** | — |
| Positive reviews | 21.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | — |
| Monetization | Subscription | — |
| Size | 38 MB | 58 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [European Apps Solutions](https://appshunter.io/developer/1633473927) | [Alfredo Correa](https://appshunter.io/developer/1534652879) |

## What reviewers say

### Clear Wave

[App page](https://appshunter.io/ios/app/clear-wave-water-eject-app/id1602078972)

This app generates sound waves to eject water from phone speakers, test audio equipment, and measure environmental noise. It offers dynamic sound control and various waveform options for versatile audio tasks.

**Highlights:** Water ejection mode for speaker cleaning, Tone generator for acoustic testing, Noise meter for environmental sound measurement, Real-time sound control, Diverse waveform options, Camera mode with noise overlay

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $4.99 | per 7 days |
| Weekly subscription | $6.99 | per 7 days |
| Clear Water Eject Premium | $7.99 | per month |
| Weekly Access | $7.99 | per 7 days |
| Weekly Subscripition | $7.99 | per 7 days |
| Clear Wave Pro Weekly | $10.99 | per 7 days |
| Clear Water - Speaker app Pro | $14.99 | per year |
| Yearly Access | $24.99 | per year |
| Lifetime Access | $9.99 | one-time |
| Lifetime access | $12.99 | one-time |
| Lifetime | $24.99 | one-time |

**What reviewers like**

- 👍 Works well
- 🔊 Useful for measuring noise levels

**What reviewers complain about**

- 💰 Requires payment for full functionality
- 🚫 Limited free trial
- 🤔 Confusing free vs paid features
- ⚠️ Unreliable or non-functioning features

**Reported bugs**

- Paywall blocks access to app
- Subscription issues, unable to cancel

**Requested features**

- Option to cancel subscription
- Clear indication of free vs paid features


### Flow FM

[App page](https://appshunter.io/ios/app/flow-fm/id6759948890)

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

**In-app purchases:** none


## Frequently asked questions

### Is Clear Wave free?

Clear Wave is free to download, with in-app purchases available.

### Is Flow FM free?

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

### Do Clear Wave or Flow FM have ads?

Clear Wave shows ads; Flow FM does not.

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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.*