# PhonoPaper vs Moon Echo

The clearest difference is review sentiment: Moon Echo at 100% against PhonoPaper's 83%. Moon Echo also leads on rating (4.8 vs 4.6). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Moon Echo holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 45 and 20 respectively. Written reviews point the same way: 83% of PhonoPaper's written reviews are positive against 100% of Moon Echo's.

## The numbers

| Metric | PhonoPaper | Moon Echo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (45 ratings)](https://appshunter.io/ios/app/phonopaper/id865947553/reviews) | **[4.8 (20 ratings)](https://appshunter.io/ios/app/moon-echo/id6503342104/reviews)** |
| Number of ratings | **45** | 20 |
| Positive reviews | 82.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Free | Free |
| Size | 4 MB | 21 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Zolotov](https://appshunter.io/developer/324462547) | [AudioThing Ltd.](https://appshunter.io/developer/1659941236) |

## What reviewers say

### PhonoPaper

[App page](https://appshunter.io/ios/app/phonopaper/id865947553)

This app decodes images containing encoded sound, allowing you to play back audio embedded within visual patterns. You can also record your own sounds and convert them into these unique visual codes. It's designed for creative audio messaging and artistic expression.

**Highlights:** Decode images with encoded sound, Create sound codes from recordings, Offline decoding capability, Analogue code for distortion resilience, Real-time, hand-controlled playback, Draw codes for unique sounds

**Features:** macOS Compatibility

**In-app purchases:** none


### Moon Echo

[App page](https://appshunter.io/ios/app/moon-echo/id6503342104)

This free music app simulates echoes using the moon as a radio wave reflector. It creates unique, lively, and lo-fi effects modulated by celestial movements, offering a playful tool for both musicians and space enthusiasts.

**Highlights:** Moon-based echo simulation, Lo-fi musical effect, Celestial modulation, Space education tool, AUv3 and Standalone support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PhonoPaper free?

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

### Is Moon Echo free?

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

### Which has better reviews, PhonoPaper or Moon Echo?

Moon Echo is rated higher. PhonoPaper averages 4.6 out of 5 from 45 ratings, while Moon Echo averages 4.8 from 20 ratings.

### Do PhonoPaper or Moon Echo have ads?

Neither PhonoPaper nor Moon Echo shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*