Samplr vs AUM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Samplr
This app offers a unique multitouch interface for exploring and manipulating audio samples. Create music through various play modes, record gestures for sequencing, and experiment with audio effects. It's designed for audio experimentation, composition, and live performance.
- 8 distinct play modes (Slicer, Looper, Granular, etc.)
- Gesture recorder for sequencing
- Audio input recording and resampling
- 6 sample slots with 16 voices each
- 5 per-sample effects (Distortion, Reverb, etc.)
- Import audio from cloud storage and other apps
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The app used by renowned musicians like Fred again.., Richard Devine, Apparat, Weval or Matmos live and in the studio. Samplr introduced a brand new way to make music, only possible on multitouch devices. Explore the samples melody and texture using the different play modes and create compositions with the gesture recorder. Samplr is the ideal tool for audio experimentation, music composition and live performance. USER REVIEWS “The most profound audio manipulation tool on iOS” 5 stars “There is NOTHING on the market hardware or software like this” 5 stars “Stunningly beautiful interface and exceptionally easy to use” 5 stars “This is the most musical app I've ever used. It's polished, it's musical, it's fun, it's inspiring” 5 stars “It’s the best realization of what touch screen sampling should be” 5 stars FEATURES • 8 play modes: Slicer, Looper, Granular, Tape, Scratch, Arpeggiator, Keyboard and Loop Player • Gesture recorder for sequencing • Audio input recording and resampling • 6 sample slots (x16 voices) • 5 effects per sample: Distortion, Filter, Amplitude Modulator, Feedback Delay and Reverb COMPATIBILITY • Ableton Link • MIDI Keyboard, Controller and Sync input • IAA (Inter-App Audio) • Audiobus Input and Output • WAV and AIFF file support • Import files from iCloud Drive, Dropbox, AudioShare, etc Learn more and see how it works on samplr.net. For feedback or support please reach out to support@samplr.net
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.
- 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
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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
Verdict
The clearest difference is in-app purchases: Samplr at none against AUM's 4. Samplr also leads on price ($19.99 vs $24.99). AUM's advantage is device support (3 vs 1) and ratings volume (535 vs 154). On rating, review sentiment, update cadence and ads 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
Samplr costs $19.99 and AUM $24.99 up front. AUM sells 4 one-off in-app purchases. Samplr asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.7 for Samplr against 4.7 for AUM. Both are backed by a comparable volume of ratings — 154 and 535 respectively. Written reviews are what separate them: 79% of Samplr's written reviews are positive against 82% of AUM's.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.
| Parameter | Samplr | AUM |
|---|---|---|
| Price | $19.99 — better | $24.99 |
| Rating | 4.7 (154 ratings) — better | 4.7 (535 ratings) |
| Positive reviews | 79.5% of reviews | 81.9% of reviews — better |
| Number of ratings | 154 | 535 — better |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 49 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Marcos Alonso | Kymatica AB |
Customer experience
Samplr
AUM
User reviews
Samplr
From 154 App Store ratingsWhat we love
- 👍 Intuitive and responsive interface
- 🎨 Powerful sample manipulation capabilities
- 🎶 Excellent for live performance and sound design
- 💰 Great value for the price
- 🎉 Inspiring and creative app
Room to improve
- 🐛 Occasional crashes and stability issues
- 🔌 Lack of audio import/export options
- 🔀 Difficulty with sample organization and management
- 🔇 Missing features like panning, MIDI support, and AUv3
AUM
From 535 App Store ratingsWhat 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
Samplr
Reported bugs
3 issues- Recording functionality not working as expected
- Dropbox integration causing crashes
- Compatibility issues with newer iOS versions
Requested features
5 requests- Implement Ableton Link for better sync
- Add support for more audio file formats
- Improve sample import/export workflow
- Introduce a more robust sequencing and automation system
- Provide multi-channel audio output
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
Samplr
No in-app purchases
AUM
- Small Tip$0.99
- Medium Tip$1.99
- Large Tip$4.99
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- Huge Tip$9.99








