# Clear Wave vs D442

The clearest difference is in-app purchases: D442 at none against Clear Wave's 8. D442 also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Clear Wave sells 8 in-app purchases, starting at $3.99 per 7 days. D442 asks for nothing beyond the download.

Clear Wave ships an update every 3 weeks, D442 monthly. The most recent releases landed on November 12, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Clear Wave | D442 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.4K ratings)](https://appshunter.io/ios/app/clear-wave-volume-booster/id1611971588/reviews)** | — |
| Number of ratings | **1.4K** | — |
| Positive reviews | 48.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 59 MB | 19 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Gaurav Babbar](https://appshunter.io/developer/1033155710) | [Hong Pin](https://appshunter.io/developer/1719060928) |

## What reviewers say

### Clear Wave

[App page](https://appshunter.io/ios/app/clear-wave-volume-booster/id1611971588)

Test and analyze your phone's speakers with precision using a series of tones. Evaluate bass response, stereo channels, and frequency generation. Includes a decibel meter for sound level measurement.

**Highlights:** Advanced speaker testing, Volume booster mode, Bass testing, Stereo channel testing, Frequency generator, Decibel meter

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Clean Sound - Weekly | $3.99 | per 7 days |
| Weekly Access | $3.99 | per 7 days |
| Weekly Subscription | $3.99 | per 7 days |
| Water Eject - Weekly | $4.99 | per 7 days |
| Clear Wave Annual Subscription | $6.99 | per year |
| Clean Sound - Monthly Access | $9.99 | per month |
| Water Eject - Annual | $49.99 | per year |
| Sonic Pro | $99.99 | one-time |

**What reviewers like**

- 👍 Helpful for water-damaged phones
- 🚀 Works quickly
- 💡 Useful frequency generator
- 🤩 Great for audio testing

**What reviewers complain about**

- 🐛 App crashes or freezes
- 🔒 Requires subscription to unlock features
- 💸 Blocking basic features behind paywall
- 🤔 Questionable accuracy of frequency generator

**Reported bugs**

- Unable to proceed past certain setup steps
- Subscription issues after purchasing pro version

**Requested features**

- Add more detailed instructions and documentation
- Improve compatibility with older devices
- Provide a free version with fewer limitations


### D442

[App page](https://appshunter.io/ios/app/d442/id6760887090)

**Features:** 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 D442 free?

D442 is free to download, with no in-app purchases.

### Do Clear Wave or D442 have ads?

Clear Wave shows ads; D442 does not.

### Which is updated more often, Clear Wave or D442?

Clear Wave ships an update every 3 weeks, and D442 monthly. Most recently, Clear Wave was updated on November 12, 2026 and D442 on November 9, 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.*