# PhonoPaper vs Zen AutoPan

The clearest difference is update cadence: PhonoPaper at every 4 months against Zen AutoPan's every 13 months. PhonoPaper also leads on ratings volume (45 vs 14) and iOS requirement (12.0 vs 15.0). On price, rating, review sentiment and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.6 for PhonoPaper against 4.6 for Zen AutoPan. Both are backed by a comparable volume of ratings — 45 and 14 respectively. Written reviews are what separate them: 83% of PhonoPaper's written reviews are positive against 80% of Zen AutoPan's.

PhonoPaper ships an update every 4 months, Zen AutoPan every 13 months. The most recent releases landed on October 14, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | PhonoPaper | Zen AutoPan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (45 ratings)](https://appshunter.io/ios/app/phonopaper/id865947553/reviews) | **[4.6 (14 ratings)](https://appshunter.io/ios/app/zen-autopan/id6478596185/reviews)** |
| Number of ratings | **45** | 14 |
| Positive reviews | **82.9% of reviews** | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 13 months |
| Monetization | Free | Free |
| Size | 4 MB | 15 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Zolotov](https://appshunter.io/developer/324462547) | [Tom Power](https://appshunter.io/developer/1629402664) |

## 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


### Zen AutoPan

[App page](https://appshunter.io/ios/app/zen-autopan/id6478596185)

This AUv3 stereo movement tool offers dynamic panning effects for music production and sound design. Sculpt your audio with multiple LFO shapes and an intuitive XY pad for real-time creative control. Seamlessly integrate with compatible DAWs on iOS devices.

**Highlights:** Multiple LFO Shapes, Intuitive XY Pad, Adjustable Stereo Width, AUv3 Compatibility, Optimized for iOS, 3D Visuals

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PhonoPaper free?

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

### Is Zen AutoPan free?

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

### Which has better reviews, PhonoPaper or Zen AutoPan?

Zen AutoPan is rated higher. PhonoPaper averages 4.6 out of 5 from 45 ratings, while Zen AutoPan averages 4.6 from 14 ratings.

### Do PhonoPaper or Zen AutoPan have ads?

Neither PhonoPaper nor Zen AutoPan shows ads.

### Which is updated more often, PhonoPaper or Zen AutoPan?

PhonoPaper ships an update every 4 months, and Zen AutoPan every 13 months. Most recently, PhonoPaper was updated on October 14, 2026 and Zen AutoPan on September 9, 2026.

---

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