# NebulizerAU vs PO

The clearest difference is ratings volume: NebulizerAU at 3 against PO's 1. On price, rating, update cadence 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 — 5.0 for NebulizerAU against 5.0 for PO. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

NebulizerAU ships an update daily, PO every 2 days. The most recent releases landed on October 1, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | NebulizerAU | PO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/nebulizerau/id6760477018/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/po-patchstudio/id6809190034/reviews) |
| Number of ratings | **3** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 days |
| Monetization | Free | Free |
| Size | 2 MB | 12 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Matthew Caldwell](https://appshunter.io/developer/993500585) | [Photon Consulting Limited](https://appshunter.io/developer/6778625337) |

## What reviewers say

### NebulizerAU

[App page](https://appshunter.io/ios/app/nebulizerau/id6760477018)

This audio effect plugin emulates the sound of an old-school, warbly tape delay. It functions as an AUv3 effect, allowing it to be used on multiple tracks within various audio applications. It delivers a distinct lo-fi sound.

**Highlights:** AUv3 effect plugin, Tape delay emulation, Lo-fi sound character, Stackable on multiple tracks, Compatible with GarageBand, AUM

**Features:** Vision Pro support

**In-app purchases:** none


### PO

[App page](https://appshunter.io/ios/app/po-patchstudio/id6809190034)

Design and edit drum sounds, kits, and patterns for Teenage Engineering's PO-32 Tonic. Transfer your creations to the device via audio. Back up and edit existing sounds, and import/export patches from Microtonic.

**Highlights:** Shape 16 sounds with 21 synth parameters, Program 16-step patterns with accents, Send kits, sounds, or patterns via audio, Back up and decode PO-32 data dumps, Import/export Microtonic patches, Local library with tags and favorites

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

**In-app purchases:** none


## Frequently asked questions

### Is NebulizerAU free?

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

### Is PO free?

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

### Which has better reviews, NebulizerAU or PO?

NebulizerAU and PO are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do NebulizerAU or PO have ads?

Neither NebulizerAU nor PO shows ads.

### Which is updated more often, NebulizerAU or PO?

NebulizerAU ships an update daily, and PO every 2 days. Most recently, NebulizerAU was updated on October 1, 2026 and PO on October 11, 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.*