# SimplyPhaser vs MIDI FX PRO

The clearest difference is review sentiment: MIDI FX PRO at 50% against SimplyPhaser's 0%. MIDI FX PRO also leads on rating (4.0 vs 3.0) and ratings volume (4 vs 1). SimplyPhaser's advantage is price ($0.99 vs $9.99). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

SimplyPhaser costs $0.99 and MIDI FX PRO $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MIDI FX PRO holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews point the same way: 0% of SimplyPhaser's written reviews are positive against 50% of MIDI FX PRO's.

SimplyPhaser ships an update every 3 weeks, MIDI FX PRO monthly. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | SimplyPhaser | MIDI FX PRO |
| --- | --- | --- |
| Price | **$0.99** | $9.99 |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/simplyphaser/id1557901730/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/midi-fx-pro/id6444039855/reviews)** |
| Number of ratings | 1 | **4** |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Paid | Paid |
| Size | 5 MB | 263 MB |
| Requires iOS | 16.4 | **14.7** |
| Devices | iPhone, iPad, Mac | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Brad Howes](https://appshunter.io/developer/430573224) | [Jorge Arroyo](https://appshunter.io/developer/548989572) |

## What reviewers say

### SimplyPhaser

[App page](https://appshunter.io/ios/app/simplyphaser/id1557901730)

Apply a classic phaser audio effect to your music with this straightforward tool. It uses all-pass filters to create out-of-phase signal copies for a retro sound. Use it within compatible music hosts or directly within the app.

**Highlights:** Classic phaser audio effect, All-pass filter implementation, AUv3 app extension support, Standalone app experimentation, Retro sound generation

**Features:** Vision Pro support

**In-app purchases:** none


### MIDI FX PRO

[App page](https://appshunter.io/ios/app/midi-fx-pro/id6444039855)

This app is a powerful MIDI workstation for iOS and Mac, allowing users to control and process MIDI signals. It offers features like harmonization, transposition, arpeggiation, and sequencing for external or virtual synths. It also includes internal instruments and effects for mobile music creation.

**Highlights:** MIDI signal processing, Harmonize, Transpose, Arpeggiate, Sequencer for synths, Delay/looper, Internal instruments (drums, piano, synth), Filter notes by velocity

**In-app purchases:** none


## Frequently asked questions

### Is SimplyPhaser free?

SimplyPhaser costs $0.99, with no in-app purchases.

### Is MIDI FX PRO free?

MIDI FX PRO costs $9.99, with no in-app purchases.

### Which has better reviews, SimplyPhaser or MIDI FX PRO?

MIDI FX PRO is rated higher. SimplyPhaser averages 3.0 out of 5 from 1 ratings, while MIDI FX PRO averages 4.0 from 4 ratings.

### Do SimplyPhaser or MIDI FX PRO have ads?

Neither SimplyPhaser nor MIDI FX PRO shows ads.

### Which is updated more often, SimplyPhaser or MIDI FX PRO?

SimplyPhaser ships an update every 3 weeks, and MIDI FX PRO monthly. Most recently, SimplyPhaser was updated on October 4, 2026 and MIDI FX PRO on October 2, 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.*