# Mantis vs MF

The clearest difference is rating: Mantis at 5.0 against MF's 4.5. MF's advantage is update cadence (monthly vs every 9 months) and iOS requirement (11.0 vs 14.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Mantis holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 8 and 8 respectively.

Mantis ships an update every 9 months, MF monthly. The most recent releases landed on October 1, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Mantis | MF |
| --- | --- | --- |
| Price | $14.99 | $14.99 |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/mantis-bbd-echo/id1673531514/reviews)** | [4.5 (8 ratings)](https://appshunter.io/ios/app/mf-101s-lowpass-filter/id6449946747/reviews) |
| Number of ratings | 8 | 8 |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Monthly** |
| Monetization | Paid | Paid |
| Size | 10 MB | 47 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AudioThing Ltd.](https://appshunter.io/developer/1659941236) | [Moog Music Inc.](https://appshunter.io/developer/396776421) |

## What reviewers say

### Mantis

[App page](https://appshunter.io/ios/app/mantis-bbd-echo/id1673531514)

This audio plugin emulates a vintage 70s analog delay/echo unit, offering a warm, authentic sound. It features four echo taps, swell selectors, and a unique modulation section for chorus-like effects.

**Highlights:** Emulates rare 70s BBD delay/echo, Warm analog sound, Four echo taps, Four swell selectors, Rotafaze modulation section, Mimics tape echo wow/flutter, Chorus-delay effect

**Features:** Vision Pro support

**In-app purchases:** none


### 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 Mantis free?

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

### Is MF free?

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

### Which has better reviews, Mantis or MF?

Mantis is rated higher. Mantis averages 5.0 out of 5 from 8 ratings, while MF averages 4.5 from 8 ratings.

### Do Mantis or MF have ads?

Neither Mantis nor MF shows ads.

### Which is updated more often, Mantis or MF?

Mantis ships an update every 9 months, and MF monthly. Most recently, Mantis was updated on October 1, 2026 and MF 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.*