# Clean Wave vs Cairos IOT

The clearest difference is in-app purchases: Cairos IOT at none against Clean Wave's 4. Cairos IOT also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Clean Wave sells 4 in-app purchases, starting at $2.99 per month. Cairos IOT asks for nothing beyond the download.

Clean Wave ships an update monthly, Cairos IOT every 3 weeks. The most recent releases landed on October 20, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Clean Wave | Cairos IOT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (2.9K ratings)](https://appshunter.io/ios/app/clean-wave-clear-speaker/id1558119984/reviews)** | — |
| Number of ratings | **2.9K** | — |
| Positive reviews | 73.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 149 MB | 34 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David Krejci](https://appshunter.io/developer/1737377675) | [JARS Services Private Limited](https://appshunter.io/developer/1157416886) |

## What reviewers say

### Clean Wave

[App page](https://appshunter.io/ios/app/clean-wave-clear-speaker/id1558119984)

This app generates sound waves to clean your device's speaker by vibrating out dust and debris. It also includes a noise meter and speaker testing functionality to assess audio quality and volume.

**Highlights:** Speaker cleaning with sound waves, Adjustable frequency generator (0Hz-25kHz), Noise meter for volume measurement, Speaker testing with audio playback, Manual wave type selection

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| Yearly Subscription | $9.99 | per year |
| Yearly Subscription | $9.99 | per year |
| Lifetime Membership | $19.99 | one-time |

**What reviewers like**

- 🚀 Cleans speaker
- 👍 Works well
- 🙌 Saved phone
- 💯 Effective
- 🆓 Free to use

**What reviewers complain about**

- 🔒 Requires subscription
- 🐛 Doesn't work for some
- 💸 Misleading about being free
- 🚫 Doesn't clean speaker

**Reported bugs**

- Doesn't play any sound
- Caused further damage to speaker

**Requested features**

- Add dark mode
- Improve compatibility with newer devices


### Cairos IOT

[App page](https://appshunter.io/ios/app/cairos-iot/id1663195314)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Clean Wave free?

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

### Is Cairos IOT free?

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

### Do Clean Wave or Cairos IOT have ads?

Clean Wave shows ads; Cairos IOT does not.

### Which is updated more often, Clean Wave or Cairos IOT?

Clean Wave ships an update monthly, and Cairos IOT every 3 weeks. Most recently, Clean Wave was updated on October 20, 2026 and Cairos IOT on October 10, 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.*