# LoopMangler vs Mass

LoopMangler and Mass both sit at 5.0 stars, but that hides the real split: 100% of Mass's written reviews are positive against 50% of LoopMangler's. Mass also leads on price ($9.99 vs $14.99). LoopMangler's advantage is update cadence (every 3 weeks vs every 4 months) and iOS requirement (13.4 vs 17.0). On rating, ratings volume, ads and in-app purchases there is nothing between them.

LoopMangler costs $14.99 and Mass $9.99 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 — 5.0 for LoopMangler against 5.0 for Mass. Both are backed by a comparable volume of ratings — 10 and 11 respectively. Written reviews are what separate them: 50% of LoopMangler's written reviews are positive against 100% of Mass's.

LoopMangler ships an update every 3 weeks, Mass every 4 months. The most recent releases landed on August 23, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | LoopMangler | Mass |
| --- | --- | --- |
| Price | $14.99 | **$9.99** |
| Rating | [5.0 (10 ratings)](https://appshunter.io/ios/app/loopmangler/id6482988825/reviews) | [5.0 (11 ratings)](https://appshunter.io/ios/app/mass-midi-generator/id6498471263/reviews) |
| Number of ratings | 10 | **11** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Paid | Paid |
| Best chart rank | #196 | **#176** |
| Size | 11 MB | 10 MB |
| Requires iOS | **13.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Igor Vasiliev](https://appshunter.io/developer/424401626) | [Usable Creations](https://appshunter.io/developer/1718600235) |

## What reviewers say

### LoopMangler

[App page](https://appshunter.io/ios/app/loopmangler/id6482988825)

**Currently charting:** #196 Top Paid · Music (US App Store)

This app is a powerful tool for creating unique glitchy and noisy textures by manipulating rhythmic samples or external audio. It offers advanced sound design capabilities with multi-effect sequencing, random pattern generation, and real-time processing.

**Highlights:** Multi-effect sequencing, Random pattern generation, Envelope modulation, Live pads for performance, Real-time audio processing, Flexible integration with other apps

**Features:** macOS Compatibility

**In-app purchases:** none


### Mass

[App page](https://appshunter.io/ios/app/mass-midi-generator/id6498471263)

**Currently charting:** #176 Top Paid · Music (US App Store)

This app is a physics-based MIDI generator that allows musicians to create complex generative sequences, organic modulations, and explore boundless musical experimentation. It offers a powerful toolkit for creative control and can be used as a standalone application or an AUv3 plugin.

**Highlights:** Generative Sequences, Living Modulations, Euclidean Pattern Sequencing, Flexible MIDI CC, Physics-Based Animation, Standalone & AUv3 Plugin, MIDI Sync, iCloud Sync

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is LoopMangler free?

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

### Is Mass free?

Mass costs $9.99, with no in-app purchases.

### Which has better reviews, LoopMangler or Mass?

LoopMangler and Mass are both rated 5.0 out of 5 on the App Store, from 10 and 11 ratings respectively.

### Do LoopMangler or Mass have ads?

Neither LoopMangler nor Mass shows ads.

### Which is updated more often, LoopMangler or Mass?

LoopMangler ships an update every 3 weeks, and Mass every 4 months. Most recently, LoopMangler was updated on August 23, 2026 and Mass on September 13, 2026.

### Which is more popular, LoopMangler or Mass?

LoopMangler currently peaks at #196 in the App Store charts, and Mass at #176. Chart position reflects recent download velocity rather than total install base.

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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.*