# Signal Code vs Clean

Signal Code and Clean both sit at 4.6 stars, but that hides the real split: 50% of Clean's written reviews are positive against 40% of Signal Code's. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Signal Code sells 2 in-app purchases, starting at $7.99 per 7 days and Clean sells 2 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Signal Code against 4.5 for Clean. Both are backed by a comparable volume of ratings — 105 and 94 respectively. Written reviews are what separate them: 40% of Signal Code's written reviews are positive against 50% of Clean's.

Signal Code ships an update every 6 weeks, Clean every 3 weeks. The most recent releases landed on June 11, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Signal Code | Clean |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (105 ratings)](https://appshunter.io/ios/app/signal-code/id6740325020/reviews)** | [4.5 (94 ratings)](https://appshunter.io/ios/app/clean-x/id6749693442/reviews) |
| Number of ratings | **105** | 94 |
| Positive reviews | 40.0% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 27 MB | 11 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Heliostar LTD](https://appshunter.io/developer/1789516649) | [Stage Clear LP](https://appshunter.io/developer/1628572376) |

## What reviewers say

### Signal Code

[App page](https://appshunter.io/ios/app/signal-code/id6740325020)

This app is a comprehensive tool for learning and using Morse code. It allows instant translation between text and Morse code, offers an exploration of the Morse alphabet, and keeps a history of your translations for easy review and practice.

**Highlights:** Text-to-Morse translation, Morse to text translation, Morse alphabet exploration, Translation history, Learning tool

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $7.99 | per 7 days |
| Premium | $9.99 | per 7 days |


### Clean

[App page](https://appshunter.io/ios/app/clean-x/id6749693442)

This app offers a guided breathing timer to promote relaxation, focus, and mental reset. Users can customize inhale, exhale, and hold durations with a clear visual interface.

**Highlights:** Customizable inhale, exhale, and hold times, Smooth visual breathing guide, Promotes relaxation and focus, Helps reset mind and body, Simple and effective interface

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium features | $9.99 | per 7 days |
| Premium features | $23.99 | per 7 days |


## Frequently asked questions

### Is Signal Code free?

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

### Is Clean free?

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

### Which has better reviews, Signal Code or Clean?

Signal Code is rated higher. Signal Code averages 4.6 out of 5 from 105 ratings, while Clean averages 4.5 from 94 ratings.

### Do Signal Code or Clean have ads?

Neither Signal Code nor Clean shows ads.

### Which is updated more often, Signal Code or Clean?

Signal Code ships an update every 6 weeks, and Clean every 3 weeks. Most recently, Signal Code was updated on June 11, 2026 and Clean on September 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.*