# Zeeon synth vs MF

The clearest difference is in-app purchases: MF at none against Zeeon synth's 3. MF also leads on iOS requirement (11.0 vs 15.6). Zeeon synth's advantage is review sentiment (76% vs 50%) and ratings volume (209 vs 9). On price, update cadence, ads and device support there is nothing between them.

Zeeon synth costs $14.99 and MF $14.99 up front. Zeeon synth sells 3 one-off in-app purchases. MF asks for nothing beyond the download.

Zeeon synth holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Zeeon synth has 209 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 76% of Zeeon synth's written reviews are positive against 50% of MF's.

Zeeon synth ships an update every 2 months, MF monthly. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Zeeon synth | MF |
| --- | --- | --- |
| Price | $14.99 | $14.99 |
| Rating | **[4.8 (209 ratings)](https://appshunter.io/ios/app/zeeon-synth/id1230960440/reviews)** | [4.6 (9 ratings)](https://appshunter.io/ios/app/mf-101s-lowpass-filter/id6449946747/reviews) |
| Number of ratings | **209** | 9 |
| Positive reviews | **76.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 27 MB | 47 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BeepStreet](https://appshunter.io/developer/321412321) | [Moog Music Inc.](https://appshunter.io/developer/396776421) |

## What reviewers say

### Zeeon synth

[App page](https://appshunter.io/ios/app/zeeon-synth/id1230960440)

This app is a virtual analog synthesizer that recreates the sound and feel of classic hardware. It features a detailed circuit-modeling engine, powerful modulation, and multiple filter models for rich, organic soundscapes. Explore a vast array of presets and expand your sonic palette with additional sound banks.

**Highlights:** Circuit-modeling engine, Powerful modulation matrix, Dual oscillators with variable waveforms, Multiple filter models, Built-in effects unit, Audio Unit v3 support, Polyphonic step sequencer

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OI - Exploration Vol. 1 | $3.99 | one-time |
| BB Z-Space | $4.99 | one-time |
| BB Synthwave | $4.99 | one-time |

**What reviewers like**

- 🎨 Excellent sound quality
- 🎹 Intuitive and well-designed interface
- 🔧 Flexible and deep sound design capabilities
- 💻 Seamless integration as an AUv3 plugin
- 🎚️ Smooth and responsive controls

**What reviewers complain about**

- 🐛 Stability issues, crashes on some devices
- 🔌 Compatibility problems with newer iOS versions
- 📂 Preset management could be improved
- 🔀 Lack of MIDI learn and sequencer features
- 🖥️ UI scaling issues on larger iPad displays

**Reported bugs**

- Preset settings not retained after app restart
- Synth reverts to default settings when reopening Logic Pro project
- Crashes and freezes on certain iOS 14+ devices
- Inability to access in-app purchases from within the app

**Requested features**

- Add MIDI learn functionality
- Implement a more robust preset management system
- Include a built-in sequencer with save/load capabilities
- Improve UI scaling and layout for larger iPad screens
- Provide better integration with inter-app audio and Audiobus


### 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


## Frequently asked questions

### Is Zeeon synth free?

Zeeon synth costs $14.99, and also offers in-app purchases.

### Is MF free?

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

### Which has better reviews, Zeeon synth or MF?

Zeeon synth is rated higher. Zeeon synth averages 4.8 out of 5 from 209 ratings, while MF averages 4.6 from 9 ratings.

### Do Zeeon synth or MF have ads?

Neither Zeeon synth nor MF shows ads.

### Which is updated more often, Zeeon synth or MF?

Zeeon synth ships an update every 2 months, and MF monthly. Most recently, Zeeon synth was updated on October 24, 2026 and MF on October 27, 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.*