# DelayJaVu vs PhaseX

The clearest difference is update cadence: PhaseX at every 2 weeks against DelayJaVu's every 2 months. DelayJaVu's advantage is price ($1.99 vs $5.99) and iOS requirement (12.0 vs 17.6). On rating, ratings volume, ads and in-app purchases there is nothing between them.

DelayJaVu costs $1.99 and PhaseX $5.99 up front. 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 DelayJaVu against 5.0 for PhaseX. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

DelayJaVu ships an update every 2 months, PhaseX every 2 weeks. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | DelayJaVu | PhaseX |
| --- | --- | --- |
| Price | **$1.99** | $5.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/delayjavu/id6758399419/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/phasex/id6762452400/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Paid | Paid |
| Size | 13 MB | 7 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Rob Jackson](https://appshunter.io/developer/1072346998) | [mattoncino software](https://appshunter.io/developer/485704837) |

## What reviewers say

### DelayJaVu

[App page](https://appshunter.io/ios/app/delayjavu/id6758399419)

This audio effect plugin creates a unique stereo reverse delay sound. It captures your dry signal and plays it back in reverse, with independent control over left and right channel delay times, modulation, and stereo spread for creative sound design.

**Highlights:** Stereo reverse delay effect, Independent L/R delay times, Adjustable modulation, Variable stereo spread, AUv3 compatible, Standalone operation

**In-app purchases:** none


### PhaseX

[App page](https://appshunter.io/ios/app/phasex/id6762452400)

This app offers a stereo phaser audio effect with three classic modes: MXR Phase 90, Phase 45, and Shin-ei Uni-Vibe. It allows for versatile sound shaping with simple parameters, providing classic and modern phaser sounds, including stereo phasing/vibrato as an alternative to chorus effects.

**Highlights:** Stereo phaser audio effect, Three classic modes (MXR Phase 90, Phase 45, Uni-Vibe), Simple, versatile parameters, Modern phaser sound extensions, Stereo phasing/vibrato alternative to chorus

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DelayJaVu free?

DelayJaVu costs $1.99, with no in-app purchases.

### Is PhaseX free?

PhaseX costs $5.99, with no in-app purchases.

### Which has better reviews, DelayJaVu or PhaseX?

DelayJaVu and PhaseX are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do DelayJaVu or PhaseX have ads?

Neither DelayJaVu nor PhaseX shows ads.

### Which is updated more often, DelayJaVu or PhaseX?

DelayJaVu ships an update every 2 months, and PhaseX every 2 weeks. Most recently, DelayJaVu was updated on October 5, 2026 and PhaseX on October 7, 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.*