# Clear Wave vs RedThread

The clearest difference is update cadence: RedThread at weekly against Clear Wave's every 3 weeks. Clear Wave's advantage is chart position (#28 vs unranked). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Clear Wave sells 5 in-app purchases, starting at $9.99 per 7 days and RedThread sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Clear Wave ships an update every 3 weeks, RedThread weekly. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Clear Wave | RedThread |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (36K ratings)](https://appshunter.io/ios/app/clear-wave/id1557211189/reviews)** | — |
| Number of ratings | **36K** | — |
| Positive reviews | 74.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Freemium | — |
| Best chart rank | **#28** | — |
| Size | 61 MB | 179 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Appchi LLC](https://appshunter.io/developer/1716729189) | [mSync POC](https://appshunter.io/developer/1883422736) |

## What reviewers say

### Clear Wave

[App page](https://appshunter.io/ios/app/clear-wave/id1557211189)

**Currently charting:** #28 Top Free · Music, #38 Top Grossing · Music (US App Store)

Test your device's audio output and microphone functionality. This app plays specific frequencies and measures decibel levels to help identify speaker issues or microphone obstructions. Upgrade for unlimited testing and an ad-free experience.

**Highlights:** Speaker sound testing, Decibel meter, Hertz frequency testing, Microphone clog detection, Ad-free experience (Premium), Unlimited testing (Premium)

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Decibel meter, hz sound level | $9.99 | per 7 days |
| Eject clear sound from speaker | $14.99 | per month |
| Noise meter sound level, tone | $29.99 | per 6 months |
| Clear speaker sound ejection | $49.99 | per year |
| Clear Wave - Lifetime | $69.99 | one-time |

**What reviewers like**

- 🚀 Works well to eject water
- 👍 Saves phone from water damage
- 🔊 Clears speaker sound
- 🌟 Saved phone multiple times

**What reviewers complain about**

- 💰 Limited free usage, need to pay
- 🔊 Loud and annoying sounds
- 🤔 Unclear how to use at first

**Reported bugs**

- Doesn't work for all water damage issues
- DB meter not accurate

**Requested features**

- Option to control volume of sounds
- More detailed instructions
- Ability to type in frequency instead of sliding


### RedThread

[App page](https://appshunter.io/ios/app/redthread/id6762317751)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Yearly | $99.99 | per year |


## Frequently asked questions

### Is Clear Wave free?

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

### Is RedThread free?

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

### Do Clear Wave or RedThread have ads?

Neither Clear Wave nor RedThread shows ads.

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

Clear Wave ships an update every 3 weeks, and RedThread weekly. Most recently, Clear Wave was updated on October 13, 2026 and RedThread on October 6, 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.*