LoopMangler vs VAPolyFM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LoopMangler
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.
- Multi-effect sequencing
- Random pattern generation
- Envelope modulation
- Live pads for performance
- Real-time audio processing
- Flexible integration with other apps
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LoopMangler is an innovative multi-effect glitch sequencer designed to manipulate rhythmic samples, external input, or output from other applications. This powerful tool operates based on the effect sequence patterns, allowing you to transform ordinary loops into unusual glitchy and noisy textures. Key Features: Advanced Sound Design: With its well-designed user interface and creative features, LoopMangler provides an exciting playground for sonic exploration and sound design. Random Pattern Generation: Make patterns and individual bars randomly or according to specific rules, offering a quick start or a source of inspiration for your projects. Multi-Effect Sequencing: Assign up to six distortion and filter effects to each step of the sequencer, providing endless possibilities for sound manipulation. Envelope Modulation: Each effect is modulated with its own envelope generator, ensuring that every step is unique and dynamic. Intuitive Editor: The user-friendly editor allows you to easily copy, move, and delete individual cells and bars within the sequencer, making pattern creation a breeze. Live Pads: Assign presets and loops to on-screen pads and use special pads to dynamically alter sound patterns during live performances or studio sessions. Real-Time Processing: Process audio in real-time, allowing you to hear the effects of your adjustments immediately. Flexible Integration: Seamlessly integrates with other audio applications, making it a versatile addition to your music production toolkit. Whether you’re looking to add subtle textures or completely transform your audio, LoopMangler provides the tools you need to achieve your sonic vision. LoopMangler is a universal application for iOS and macOS. It can work on iPhone and iPad as well as Mac / MacBook with M1 chip (and later). LoopMangler works on iPhone and iPad standalone, as an Audio Unit or Inter-App Audio module, and supports Audiobus and Ableton Link. On MacOS, LoopMangler can works both as a standalone application and as an Audio unit (AUv3) with DAWs and other hosts that support AUv3 plugins. LoopMangler has a built-in detailed description of all parameters also available as PDF file on the application site. Quick start demo: https://youtu.be/EFGw4wDtbzo https://youtu.be/ki3WsK1_4gg You can find more information on LoopMangler and other creative audio apps at: https://motion-soundscape.blogspot.com
VAPolyFM
Create music with a versatile hybrid synthesizer offering both FM and virtual analog subtractive synthesis. Explore a wide range of effects, a built-in sequencer, and extensive MIDI support. Save and share projects seamlessly across iPhone, iPad, and Mac.
- FM synthesizer with 6 operators
- Virtual analog subtractive synthesizer
- Built-in effects (delay, chorus, reverb)
- Sequencer with piano roll editor
- AudioUnit Extension (AUv3) support
- Ableton Link and MIDI 2.0 support
- iCloud Drive project sharing
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VAPolyFM is a hybrid polyphonic synthesizer for iPhone, iPad and Mac. It features FM synthesizer and subtractive synthesizer. It operates as a stand alone or as an AudioUnit Extension (AUv3). Stand Alone supports Ableton Link, MIDI and audio file export. FM synthesizer features 6 operators and 32 algorithm and it is inspired by FM synthesizers of the 1980’s. Virtual analog subtractive synthesizer features two oscillators, resonant high pass filter, resonant low pass filter and two ADSR envelopes per voice. Built-in Effects include delay, chorus, flanger, reverb, eq and compressor. VAPolyFM also includes sequencer which features piano roll editor and parameter automation. Project files can be saved in iCloud Drive, so that the project can be accessed from iPhone, iPad or Mac. - Main Features - FM Synthesizer. 6 operators and 32 algorithm. Virtual analog subtractive synthesizer. Maximum 8 voice polyphony. it depends on performance of the device it is running. Built-in effects and sequencer. Support MIDI 2.0 Support Audio Unit Extension (AUv3) Works on iPhone, iPad and Mac. Support iCloud Drive to share project files between the platforms. Audio Export. Linear PCM format (AIFF, WAV and CAF) and compressed format (AAC) Support Ableton Link, Bluetooth MIDI, MIDI In / Out. Includes 139 Factory Presets - System Requirements - A13 Fusion or above is recommended. AudioUnit Extension (AUv3) requires host application which support AudioUnit Extension. AudioUnit Extension is supported by Apple Logic and Apple Garage Band on iOS and macOS. For any other DAW, it depends on the application and some of them don’t support AudioUnit Extension. Sound may be distorted if CPU of the device doesn't have enough power. If it happens reduce number of voices.
Screenshots
Verdict
The clearest difference is rating: LoopMangler at 5.0 against VAPolyFM's 4.5. LoopMangler also leads on review sentiment (50% vs 17%) and update cadence (every 3 weeks vs every 17 months). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
LoopMangler costs $14.99 and VAPolyFM $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.
LoopMangler holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 10 and 6 respectively. Written reviews point the same way: 50% of LoopMangler's written reviews are positive against 17% of VAPolyFM's.
LoopMangler ships an update every 3 weeks, VAPolyFM every 17 months. The most recent releases landed on August 23, 2026 and September 21, 2026 respectively.
| Parameter | LoopMangler | VAPolyFM |
|---|---|---|
| Price | $14.99 | $14.99 |
| Rating | 5.0 (10 ratings) — better | 4.5 (6 ratings) |
| Positive reviews | 50.0% of reviews — better | 16.7% of reviews |
| Number of ratings | 10 — better | 6 |
| Update frequency | Every 3 weeks — better | Every 17 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | #196 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 13.4 — better | 16.6 |
| Further details — not scored | ||
| Size | 11 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Igor Vasiliev | Ryo Togawa |
Customer experience
LoopMangler
VAPolyFM
In-app purchases
LoopMangler
No in-app purchases
VAPolyFM
No in-app purchases








