# MF vs L12X Solid State Amplifier

The clearest difference is price: L12X Solid State Amplifier at Free against MF's $14.99. L12X Solid State Amplifier also leads on update cadence (weekly vs monthly). MF's advantage is iOS requirement (11.0 vs 14.0). On rating, review sentiment, ratings volume and ads there is nothing between them.

L12X Solid State Amplifier is free to download; MF costs $14.99 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 — 4.5 for MF against 4.4 for L12X Solid State Amplifier. Both are backed by a comparable volume of ratings — 8 and 9 respectively. Written reviews split almost evenly too, at 50% and 50% positive.

MF ships an update monthly, L12X Solid State Amplifier weekly. The most recent releases landed on August 12, 2026 and August 25, 2026 respectively.

## The numbers

| Metric | MF | L12X Solid State Amplifier |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | **[4.5 (8 ratings)](https://appshunter.io/ios/app/mf-101s-lowpass-filter/id6449946747/reviews)** | [4.4 (9 ratings)](https://appshunter.io/ios/app/l12x-solid-state-amplifier/id6746237638/reviews) |
| Number of ratings | 8 | **9** |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Paid | **Free** |
| Size | 47 MB | 30 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Moog Music Inc.](https://appshunter.io/developer/396776421) | [Audiority Srl](https://appshunter.io/developer/1815900942) |

## 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


### L12X Solid State Amplifier

[App page](https://appshunter.io/ios/app/l12x-solid-state-amplifier/id6746237638)

This app offers an analog simulation of a classic solid-state guitar amplifier, enhanced with extra channels and a contour knob for versatile tone shaping. It includes an integrated cabinet simulator with a high-quality impulse response for authentic sound.

**Highlights:** Analog simulation of Marshall Lead 12, Clean and Metal channels, Contour knob for tone shaping, Boost overdrive stage, Integrated Cab Simulator, Marshall cabinet IR with Celestion V30

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MF free?

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

### Is L12X Solid State Amplifier free?

L12X Solid State Amplifier is free to download, with no in-app purchases.

### Which has better reviews, MF or L12X Solid State Amplifier?

MF is rated higher. MF averages 4.5 out of 5 from 8 ratings, while L12X Solid State Amplifier averages 4.4 from 9 ratings.

### Do MF or L12X Solid State Amplifier have ads?

Neither MF nor L12X Solid State Amplifier shows ads.

### Which is updated more often, MF or L12X Solid State Amplifier?

MF ships an update monthly, and L12X Solid State Amplifier weekly. Most recently, MF was updated on August 12, 2026 and L12X Solid State Amplifier on August 25, 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.*