Comparison

TwistedWave Audio Editor vs AUM

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

TwistedWave Audio Editor

This powerful audio editor and recorder offers a fluid editing experience, even with large files. It allows for high-quality recording, extensive audio manipulation with various effects, and supports numerous import and export formats.

Highlights
  • Fast and fluid audio editing
  • Unlimited undo/redo history
  • High-quality audio recording
  • Extensive audio effects and filters
  • Support for multiple audio formats
  • Easy file import and export options
  • Browser access for file transfer
Features
Currently charting
Read full description

TwistedWave is a very fast and easy to use audio editor and recorder. Even when working with huge files, it will remain very fast and fluid, and will never run out of memory. UNIQUE TO TWISTEDWAVE • Very fluid, even with very large files • Unlimited undo / redo history, happens instantly RECORD AUDIO • No duration limit other than the available storage • Up to 24 bit / 96 kHz audio if your audio interface supports it • Record stereo audio with the built-in microphone (iPhone XS or more recent) • Record studio quality audio with an external microphone • Record audio from other music applications with Audiobus APPLY EFFECTS • Precision Time Stretching & Pitch Shifting technology licensed from ZTX • All the AudioUnit extensions (AUv3) available on the App Store can be used with TwistedWave • Cut, copy / paste audio around • Fade in / out • Reverb • Delay / echo • Distortion • Equalizer (parametric, or iPod EQ) • Dynamics processor, can be used as a compressor or a noise gate • Peak limiter to amplify audio without causing distortion • Amplify or normalize the audio to a given level • Filters (low-pass, high-pass, band-pass, low-shelf, high-shelf) • Convert the sampling rate (with SoX' very high quality resampler) • Reverse. Play the file backwards, mostly for fun! MANY FILE FORMATS SUPPORTED • WAV • M4A (AAC or Apple Lossless) • MP3 (Encoded with the LAME MP3 encoder for the best quality) • FLAC • AIFF • CAF MANY IMPORT OPTIONS • Import songs from the music library • Import files from the Files app • Import files from an SD card or USB drive, with the right adapter • Open files sent from other apps • Browser access, send a file to TwistedWave from a device on the same WiFi network MANY EXPORT OPTIONS • Send your files by - Email - iMessage - SoundCloud - Dropbox - AudioCopy - An FTP or SFTP account - Any app that accepts audio files • Export multiple files in a single ZIP file • Browser access to allow downloading and uploading files from/to TwistedWave • File too large? Just send a link. (30 days for free on TwistedWave's servers) BROWSER ACCESS Connect to the TwistedWave app from a web browser on another device or computer on the same WiFi network, and: • Play and download the files directly from a browser • Send files to TwistedWave by drag and dropping them in the browser

About

AUM

This app is a versatile audio mixer, recorder, and connection hub for mobile devices. It allows users to connect various audio sources, route signals, apply effects, and record mixes with high fidelity. It supports advanced features like MIDI control, synchronization, and integration with other audio apps and hardware.

Highlights
  • Connect hardware inputs/outputs
  • Route audio and MIDI
  • Host Audio Unit extensions
  • Record mixes and individual tracks
  • Synchronize with Ableton Link
  • Built-in processing nodes
  • MIDI control and routing
Features
Read full description

AUM is the flexible audio mixer, recorder, and connection hub for your iPad, iPhone and iPod touch. Connect hardware inputs and outputs, Audio Unit extensions, Inter-App Audio apps, Audiobus, soundfile players, built-in signal processing and filters, in any configuration you want. Route anything to anywhere with mix-busses, effect sends, audiobus ports, and external multi-channel audio interfaces. Play hosted synths and instruments using the built-in keyboard or external MIDI controllers, or sequence them with AU MIDI plugins or from other apps using Virtual MIDI. Record mixes, individual tracks, or both, straight into the storage space of AudioShare (no copying of files needed), with synchronized start and end for perfect loops. Play back recordings, soundfiles and loops as channel sources in the mixer for backing tracks, further processing or mixing. Soundfiles can be opened from anywhere, including USB drives on iOS 13 and later. Route and filter MIDI in any way you like using the MIDI matrix. Combine and filter MIDI endpoints using MIDI buses. Synchronize everything with the transport clock and play in time with other apps or devices using Ableton Link. Connect external music machines and synchronize them with MIDI Clock. Includes built-in processing nodes for various stereo processing, Mid/Side balance and conversion, EQs and filters, limiting, clipping and saturation. Or use any 3rd party Audio Unit extension or Inter-App Audio effect. All controls in the mixer can be controlled via MIDI, including parameters of hosted and built-in plugins. "A brilliant idea that has been brilliantly executed. Top-notch technical stuff and highly recommended" - MusicAppBlog "Feature rich, powerful, intuitive, and simple to use" - DubSpot "Executes live mixing with surprising ease, with a load of extensive features under the hood, quick snappy response on the screen and audio" - AudioNewsRoom FEATURES • High quality audio up to 32-bit 192kHz • Clean and intuitive user interface with crisp vector graphics • Unlimited number of channels • Unlimited number of effect slots • Inserts and sends are configurable pre/post-fader • Internal busses for mixing, effect sends, signal splitting • Supports multi-channel audio interfaces for both inputs and outputs • Supports built-in speaker and mic, including stereo mic on devices that has it. • Supports Audio Unit extensions, Inter-App Audio and Audiobus • Route MIDI output from Audio Unit extensions • Supports Audio Unit multiple output and input busses (for side-chaining etc) • Highly accurate transport clock • Metronome with selectable output and optional pre-roll • Sends host sync to Audio Unit plugins and IAA apps • Play in time with Ableton Link, with Start/Stop support • Slave external hardware via MIDI Clock • FilePlayer with sync and looping with access to all your soundfiles • Records straight into AudioShare storage space • Record synchronized beat-perfect loops • Built-in nodes for stereo processing, filtering and dynamics • Latency compensation makes everything align at the outputs • Optional manual compensation using TimeOffset • Multiple Inter-App Audio / Audiobus output ports • Audiobus state saving • Built-in MIDI keyboard • Fully MIDI controllable • MIDI Matrix for routing MIDI anywhere • MIDI filtering for any MIDI destination • Combine MIDI sources or destinations using MIDI buses BUILT-IN SIGNAL PROCESSING • Stereo balance • Stereo to mono • Stereo panning • Mid/Side balance • Mid/Side - Stereo convert • Invert Phase • Parametric EQ • Low-shelf filter • High-shelf filter • Low-pass resonant filter • High-pass resonant filter • LP/HP combo filter • First order All-pass filter • Second order All-pass filter • Gain • Hard clip • Saturation • Lookahead peak limiter • System-provided Apple Audio Units

Screenshots

TwistedWave Audio Editor3 screens
AUM4 screens

Verdict

The call

The clearest difference is price: TwistedWave Audio Editor at $9.99 against AUM's $24.99. TwistedWave Audio Editor also leads on in-app purchases (none vs 4) and update cadence (every 11 days vs every 3 months). AUM's advantage is review sentiment (82% vs 74%) and iOS requirement (12.0 vs 15.6). On rating, ratings volume, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

TwistedWave Audio Editor costs $9.99 and AUM $24.99 up front. AUM sells 4 one-off in-app purchases. TwistedWave Audio Editor asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for TwistedWave Audio Editor against 4.7 for AUM. Both are backed by a comparable volume of ratings — 987 and 535 respectively. Written reviews are what separate them: 74% of TwistedWave Audio Editor's written reviews are positive against 82% of AUM's.

UpkeepUpdate frequency

TwistedWave Audio Editor ships an update every 11 days, AUM every 3 months. Both last shipped on November 1, 2026.

Scorecard7 real differences · 4 level
TwistedWave Audio Editor versus AUM: the parameters behind the verdict, then further details
ParameterTwistedWave Audio EditorAUM
Price$9.99 — better$24.99
Rating4.8 (987 ratings) — better4.7 (535 ratings)
Positive reviews73.5% of reviews81.9% of reviews — better
Number of ratings987 — better535
Update frequencyEvery 11 days — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
Best chart rank#121 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.612.0 — better
Further details — not scored
Size36 MB13 MB
Age rating4+4+
DeveloperTwistedWave Software Ltd.Kymatica AB

Customer experience

TwistedWave Audio Editor

All ratings984 ratings
Positive96.6%
Neutral1.5%
Negative1.8%
Written reviews257 reviews
Positive73.5%
Neutral8.6%
Negative17.9%

AUM

All ratings524 ratings
Positive93.3%
Neutral1.5%
Negative5.2%
Written reviews315 reviews
Positive81.9%
Neutral5.7%
Negative12.4%

User reviews

TwistedWave Audio Editor

From 987 App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Smooth and responsive
  • 💡 Versatile audio editing capabilities
  • 👍 Intuitive interface
  • 👍 Great for voice recordings

Room to improve

  • 🐛 Occasional crashes
  • 🔇 Lack of noise reduction/cancellation features
  • 🔇 Limited effects and filters
  • 🔇 No multi-track support
  • 🔇 Inability to export audio back to music library

AUM

From 535 App Store ratings

What we love

  • 👍 Excellent audio routing and mixing capabilities
  • 🚀 Powerful and flexible workflow
  • 💡 Seamless integration with AUv3 and IAA apps
  • 👍 Intuitive and clean user interface
  • 👍 Reliable and stable performance

Room to improve

  • 🐛 Occasional crashes or stability issues
  • 💡 Lack of MIDI clock sync receive functionality
  • 💡 Limited visual customization options (e.g. channel sizes)
  • 🐛 Compatibility issues with some hardware interfaces

Bugs and requests

TwistedWave Audio Editor

Reported bugs

4 issues
  • Crashes when trying to load audio samples
  • Issues with audio interface compatibility
  • Problems with audio playback and scrubbing
  • Inconsistent behavior when exporting files

Requested features

6 requests
  • Add video trimming/cutting functionality
  • Implement noise reduction and audio cleaning tools
  • Expand effects and processing options
  • Enable multi-track recording and editing
  • Improve file export and sharing capabilities
Show 1 more
  • Provide better integration with other audio apps

AUM

Reported bugs

3 issues
  • Crashes or freezes when using certain plugin combinations
  • Compatibility issues with iOS 15 and newer
  • Inconsistent MIDI transport controls

Requested features

4 requests
  • Add MIDI clock sync receive capability
  • Implement a timeline/sequencer view
  • Provide more visual customization options
  • Improve support for external hardware integration

In-app purchases

None

TwistedWave Audio Editor

No in-app purchases

4 purchases

AUM

One-time4
  • Small Tip$0.99
  • Medium Tip$1.99
  • Large Tip$4.99
Show 1 more
  • Huge Tip$9.99

Questions

Is TwistedWave Audio Editor free?
TwistedWave Audio Editor costs $9.99, with no in-app purchases.
Is AUM free?
AUM costs $24.99, and also offers in-app purchases.
Which has better reviews, TwistedWave Audio Editor or AUM?
TwistedWave Audio Editor is rated higher. TwistedWave Audio Editor averages 4.8 out of 5 from 987 ratings, while AUM averages 4.7 from 535 ratings.
Do TwistedWave Audio Editor or AUM have ads?
Neither TwistedWave Audio Editor nor AUM shows ads.
Which is updated more often, TwistedWave Audio Editor or AUM?
TwistedWave Audio Editor ships an update every 11 days, and AUM every 3 months. Most recently, TwistedWave Audio Editor was updated on November 1, 2026 and AUM on November 1, 2026.

Other comparisons