# PhaseDelayArray vs Room Reverb

The clearest difference is in-app purchases: PhaseDelayArray at none against Room Reverb's 4. PhaseDelayArray also leads on update cadence (every 2 months vs every 5 months) and iOS requirement (11.0 vs 13.0). Room Reverb's advantage is rating (4.9 vs 4.4) and review sentiment (90% vs 73%). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. Room Reverb sells 4 one-off in-app purchases. PhaseDelayArray asks for nothing beyond the download.

Room Reverb holds the better App Store score, 4.9 against 4.4. Both are backed by a comparable volume of ratings — 47 and 28 respectively. Written reviews point the same way: 73% of PhaseDelayArray's written reviews are positive against 90% of Room Reverb's.

PhaseDelayArray ships an update every 2 months, Room Reverb every 5 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | PhaseDelayArray | Room Reverb |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (47 ratings)](https://appshunter.io/ios/app/phasedelayarray/id1472910992/reviews) | **[4.9 (28 ratings)](https://appshunter.io/ios/app/room-reverb/id1665662082/reviews)** |
| Number of ratings | **47** | 28 |
| Positive reviews | 73.3% of reviews | **90.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 9 MB | 8 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Neon Silicon](https://appshunter.io/developer/1409314093) | [Christian Voigt](https://appshunter.io/developer/1656030056) |

## What reviewers say

### PhaseDelayArray

[App page](https://appshunter.io/ios/app/phasedelayarray/id1472910992)

This audio effect application provides a unique combination of oscillating reverb, modulation, and feedback delay. It can be used to create a wide range of subtle to extreme soundscapes within compatible music production software.

**Highlights:** Oscillating reverb sections, Modulation unit, Feedback delay up to 2 seconds, Multiple mix points, Mono-to-mono, mono-to-stereo, stereo-to-stereo support

**Features:** macOS Compatibility

**In-app purchases:** none


### Room Reverb

[App page](https://appshunter.io/ios/app/room-reverb/id1665662082)

This audio plugin adds natural-sounding reverberation to your recordings, bringing them to life. It offers a variety of presets and controls to customize the sound, making dry recordings feel more realistic. It requires a host application that supports AUv3 audio plugins.

**Highlights:** Mono/stereo to stereo algorithmic reverb, Numerous presets from small to large rooms, Undo/redo and A/B comparison, Parameter lock for preset changes, Separate level controls for reverb parts, Stereo width control, Resizeable user interface

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donation: Thank you! | $4.99 | one-time |
| Donation: Thank you! | $9.99 | one-time |
| Donation: Thank you! | $19.99 | one-time |
| Donation: Thank you! | $49.99 | one-time |


## Frequently asked questions

### Is PhaseDelayArray free?

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

### Is Room Reverb free?

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

### Which has better reviews, PhaseDelayArray or Room Reverb?

Room Reverb is rated higher. PhaseDelayArray averages 4.4 out of 5 from 47 ratings, while Room Reverb averages 4.9 from 28 ratings.

### Do PhaseDelayArray or Room Reverb have ads?

Neither PhaseDelayArray nor Room Reverb shows ads.

### Which is updated more often, PhaseDelayArray or Room Reverb?

PhaseDelayArray ships an update every 2 months, and Room Reverb every 5 months. Most recently, PhaseDelayArray was updated on November 3, 2026 and Room Reverb on November 3, 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.*