# RealPhase vs 501 Chorus Echo

The clearest difference is review sentiment: RealPhase at 100% against 501 Chorus Echo's 0%. RealPhase also leads on rating (5.0 vs 4.5) and iOS requirement (12.1 vs 15). On price, ratings volume, update cadence and ads there is nothing between them.

RealPhase costs $14.99 and 501 Chorus Echo $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RealPhase holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 5 and 8 respectively. Written reviews point the same way: 100% of RealPhase's written reviews are positive against 0% of 501 Chorus Echo's.

RealPhase ships an update every 14 months, 501 Chorus Echo every 17 months. Both last shipped on October 13, 2026.

## The numbers

| Metric | RealPhase | 501 Chorus Echo |
| --- | --- | --- |
| Price | $14.99 | $14.99 |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/realphase/id1588403482/reviews)** | [4.5 (8 ratings)](https://appshunter.io/ios/app/501-chorus-echo/id6473418769/reviews) |
| Number of ratings | 5 | **8** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 14 months** | Every 17 months |
| Monetization | Paid | Paid |
| Size | 8 MB | 23 MB |
| Requires iOS | **12.1** | 15 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [quantovox](https://appshunter.io/developer/484686124) | [Nembrini Audio](https://appshunter.io/developer/1493296895) |

## What reviewers say

### RealPhase

[App page](https://appshunter.io/ios/app/realphase/id1588403482)

This app faithfully reproduces the sound of a legendary analog phaser pedal. It offers advanced modulation options, including barberpole effects and MIDI sync, for creating complex and rhythmic phasing sounds. Visualize real-time frequency response and enjoy exceptional multirate performance.

**Highlights:** Faithful reproduction of legendary phaser pedal, Composite LFOs and parallel phaser structures, Barberpole/Shepard phasing, Rhythmic pattern creation with LFO ratios, Mid-Side modes for stereo phasing, Real-time notch filter frequency visualization, MIDI note event reception for sync

**Features:** Vision Pro support

**In-app purchases:** none


### 501 Chorus Echo

[App page](https://appshunter.io/ios/app/501-chorus-echo/id6473418769)

This audio plugin meticulously models the iconic Roland RE-501 Chorus Echo, offering authentic analog warmth with modern digital flexibility. It provides producers with classic tape delay, BBD chorus, and spring reverb sounds, enhanced by DAW tempo sync and expanded controls for any music genre.

**Highlights:** Authentic analog sound reproduction, Extended creative control with DAW sync, Intuitive user interface, Versatile for any music genre, Independent SOS timings, Linear preamp option

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RealPhase free?

RealPhase costs $14.99, with no in-app purchases.

### Is 501 Chorus Echo free?

501 Chorus Echo costs $14.99, with no in-app purchases.

### Which has better reviews, RealPhase or 501 Chorus Echo?

RealPhase is rated higher. RealPhase averages 5.0 out of 5 from 5 ratings, while 501 Chorus Echo averages 4.5 from 8 ratings.

### Do RealPhase or 501 Chorus Echo have ads?

Neither RealPhase nor 501 Chorus Echo shows ads.

### Which is updated more often, RealPhase or 501 Chorus Echo?

RealPhase ships an update every 14 months, and 501 Chorus Echo every 17 months. Most recently, RealPhase was updated on October 13, 2026 and 501 Chorus Echo on October 13, 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.*