# MF vs MIDI World

The clearest difference is review sentiment: MF at 50% against MIDI World's 0%. MF also leads on rating (4.6 vs 2.0) and update cadence (monthly vs every 7 months). MIDI World's advantage is price ($0.99 vs $14.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

MF costs $14.99 and MIDI World $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MF holds the better App Store score, 4.6 against 2.0. That said, the two scores are not equally well evidenced: MF has 9 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of MF's written reviews are positive against 0% of MIDI World's.

MF ships an update monthly, MIDI World every 7 months. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | MF | MIDI World |
| --- | --- | --- |
| Price | $14.99 | **$0.99** |
| Rating | **[4.6 (9 ratings)](https://appshunter.io/ios/app/mf-101s-lowpass-filter/id6449946747/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/midi-world/id6761638710/reviews) |
| Number of ratings | **9** | 1 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 7 months |
| Monetization | Paid | Paid |
| Size | 47 MB | 14 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Moog Music Inc.](https://appshunter.io/developer/396776421) | [Los Palmos](https://appshunter.io/developer/1889993325) |

## What reviewers say

### MF

[App page](https://appshunter.io/ios/app/mf-101s-lowpass-filter/id6449946747)

This app is a digital recreation of a classic analog lowpass filter effect pedal. It allows users to add dynamic motion and warm, vibrant tones to various audio sources like guitars, vocals, and synthesizers.

**Highlights:** Analog 4-pole lowpass filter emulation, Envelope follower for dynamic motion, Processes guitar, voice, and synths, AUv3 effects plugin, Warm and vibrant sound quality

**Features:** Vision Pro support

**In-app purchases:** none


### MIDI World

[App page](https://appshunter.io/ios/app/midi-world/id6761638710)

Transform device sensors and real-world data into MIDI control and musical notes. Create multitrack recordings, adjust performances with per-track controls, and export to any DAW. Connect environmental data to your music.

**Highlights:** Sensor-to-MIDI mapping, Real-world data integration, Multitrack recording, Per-track performance controls, Standard MIDI File export, Optional audio export, Preset and theme customization

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

**In-app purchases:** none


## Frequently asked questions

### Is MF free?

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

### Is MIDI World free?

MIDI World costs $0.99, with no in-app purchases.

### Which has better reviews, MF or MIDI World?

MF is rated higher. MF averages 4.6 out of 5 from 9 ratings, while MIDI World averages 2.0 from 1 ratings.

### Do MF or MIDI World have ads?

Neither MF nor MIDI World shows ads.

### Which is updated more often, MF or MIDI World?

MF ships an update monthly, and MIDI World every 7 months. Most recently, MF was updated on October 27, 2026 and MIDI World on October 28, 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.*