AudioPocket for volca sample vs SynthMaster One for iPhone
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AudioPocket for volca sample
Easily transfer audio samples from your iPhone to a KORG volca sample device. Record, trim, and normalize your own sounds, or import them via iTunes File Sharing or a factory preset library. Supports various common audio file formats.
- Record and edit samples
- Import samples via iTunes File Sharing
- Access KORG factory presets
- Supports multiple audio formats
- Connect iPhone to volca sample
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Send sample data directly from your iPhone to your volca sample! AudioPocket enables you to program your volca sample memory with audio samples from the following: • The app. Record on-the-spot with the app, where you can preview, trim and normalize your impromptu sample recording. • Your computer. Using iTunes File Sharing, just drag and drop into “AudioPocket documents” • Factory presets. Choose from a library sound-designed by KORG. Compatible audio files: “aif”, “aiff”, “wav”, “mp3”, “caf”, “aac”, “m4a” What is volca sample? The volca sample is a sample sequencer that lets you edit and sequence up to 100 sampled sounds in real-time for commanding live performances. It’s powerful on its own or as an addition to any existing volca setup. The volca sample lets you recapture the excitement of the first generation of samplers where any sound - vocals, spoken words, ambient sound, or glitches – can be used for your creations! See more at: http://www.korg.com/volca_sample/ Notes: ● To use AudioPocket with the volca sample, the operating system for the volca sample must be "System Version 1.20 or later. ● You will need a stereo mini jack cable to connect your iPhone to your volca sample. Follow us on: ● Facebook : http://www.facebook.com/korg.iapps ● Twitter : http://www.twitter.com/korg_iapps
SynthMaster One for iPhone
This powerful wavetable synthesizer app offers an intuitive workflow for creating new sounds. It features a rich library of wavetables, inspiring factory presets, and real-time modulation feedback for sound design.
- Wavetable synthesis
- 300 factory presets
- AUv3 support
- Files App integration
- Real-time modulation feedback
- Semi-modular architecture
- 32-step arpeggiator/sequencer
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SynthMaster One for iPhone is KV331 Audio's first full blown synth app for iPhone. It's a powerful wavetable synth with an intuitive workflow. With its simple layout, rich wavetable/waveform content and inspiring factory presets library, designing new sounds with SynthMaster One for iPhone is a joy. SynthMaster One for iPhone is feature wise identical to the desktop version except the following: * 8 voice polyphony (32 for the desktop version) * Comes with 300 presets (1250 for the desktop version) FEATURES * 300 Factory Presets: SynthMaster One iOS comes with inspiring factory presets from a world class team of sound designers: Arksun, Aiyn Zahev, BigTone Studios, Brian Transeau, Bluffmunkey, Bulent Biyikoglu, Gercek Dorman, Dejavu Sound, Fragment Audio, Kurt Ader, Mirko Ruta, Nori Ubukata, Rob Lee, Ufuk Kevser, Selcuk Ergen, The Machine, Vandalism Sound, Venus Theory, Vorpalsound and Xenos Soundworks * AUv3: SynthMaster One iOS supports AudioUnits V3, allowing multiple instances to run under supporting DAW apps like GarageBand, Cubasis or Beat Maker. * Files App Integration: Easily import/export presets, waveforms or scales using the common file browser UI (requires iOS 11+). * Real-time Modulation Feedback: See in real-time how modulation sources and targets change. This is a very helpful feature when designing sounds! * Cross Platform Cloud Synchronization: Easily synchronize your SynthMaster One related data across multiple platforms (Windows, MacOS, iPad, iPhone) * Semi-Modular Architecture: For each SynthMaster One instance, there are 2 oscillators with 2 sub oscillators, 2 Filters, 4 ADSR Envelopes, 3 LFOs, a powerful 16 step arpeggiator/sequencer and also 11 different effects that can be inserted on to 6 FX insert slots. The sub oscillators can be connected to the oscillators in 5 different modes which let you use it as a regular sub oscillator or do complex modulations such as ring modulation, amplitude modulation, phase modulation or frequency modulation. * 32 Step Arpeggiator/Sequencer: The arpeggiator in SynthMaster One features classic arpeggiator modes such as Up, Down, UpDown, DownUp, UpDown2, DownUp2, AsPlayed as well as Sequence, Chord and Arpeggiate modes. * Wavetable Synthesis: SynthMaster One implements true wavetable synthesis which opens up new possibilities for sound design. It comes with a rich content library with hundreds of waveforms and wavetables. * Stereo Oscillators with up to 16 voices Unison: Each of the 2 oscillators in SynthMaster One have stereo output, and can have up to 16 voices "unison". Using the "voices", "voices mix", "detune curve", "detune spread", "pan stread", "tone spread" and "phase spread" parameters, each oscillator can generate a rich "supersaw" type sound. * Zero Delay Feedback Filters: All of the 4 filter categories in SynthMaster One are developed using the zero delay feedback filter technology. With advanced filter parameters like input gain, drive, acid, filter nonlinearities and up to 4 times oversampling you can get that "analog" sound from the filters! * Rich Set of Effects: SynthMaster One features 11 different effect types: Distortion, LoFi, Ensemble, Phaser, 6 Band EQ, Compressor, Vocoder, Delay, Chorus, Tremolo, Reverb. * Microtuning: SynthMaster One supports Scala tuning, so tuning can be set either for each preset or globally by loading from a Scala tuning file. SynthMaster One comes with 300+ scales ranging from 5 note equal tempered scales to 12 note alternate tuning scales. * Preset Browser: SynthMaster One features a comprehensive preset browser with separate search criterias for instrument type, preset attributes, music style or preset author. SUPPORTS * All 64-bit iPad devices * AUv3 Audio Unit Extensions * Note-per-channel MIDI controllers (MPE) * Ableton Link * Interapp Audio and AudioBus * Bluetooth LE MIDI Controllers * AirDrop
Screenshots
Verdict
The clearest difference is review sentiment: SynthMaster One for iPhone at 66% against AudioPocket for volca sample's 22%. SynthMaster One for iPhone also leads on rating (4.8 vs 2.3) and update cadence (every 2 months vs every 27 months). AudioPocket for volca sample's advantage is in-app purchases (none vs 10). On price, ads, device support and iOS requirement 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
Both are free to download. SynthMaster One for iPhone sells 10 one-off in-app purchases. AudioPocket for volca sample asks for nothing beyond the download.
SynthMaster One for iPhone holds the better App Store score, 4.8 against 2.3. That said, the two scores are not equally well evidenced: SynthMaster One for iPhone has 331 ratings behind it against 59, so its average is the more settled of the two. Written reviews point the same way: 22% of AudioPocket for volca sample's written reviews are positive against 66% of SynthMaster One for iPhone's.
AudioPocket for volca sample ships an update every 27 months, SynthMaster One for iPhone every 2 months. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.
| Parameter | AudioPocket for volca sample | SynthMaster One for iPhone |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (59 ratings) | 4.8 (331 ratings) — better |
| Positive reviews | 22.4% of reviews | 66.0% of reviews — better |
| Number of ratings | 59 | 331 — better |
| Update frequency | Every 27 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 22 MB | 297 MB |
| Age rating | 4+ | 4+ |
| Developer | KORG INC. | KV331 Audio |
Customer experience
AudioPocket for volca sample
SynthMaster One for iPhone
User reviews
AudioPocket for volca sample
From 59 App Store ratingsWhat we love
- 👍 Easy sample transfer
- 👍 Works for some users
- 👍 Good for on-the-go editing
- 👍 Files.app integration appreciated
Room to improve
- 🐛 App crashes on startup
- 🐛 Audio recording/saving issues
- 🐛 Sample transfer errors
- 🐛 No USB support for Volca Sample 2
- 🐛 Outdated for Volca Sample 2
SynthMaster One for iPhone
From 331 App Store ratingsWhat we love
- ✨ Excellent sound quality
- 🤩 Incredible features for free
- 👍 Easy to use interface
- 🎛️ Versatile sound design capabilities
- 🎵 Great for GarageBand integration
Room to improve
- 🐛 Frequent crashes
- 🔌 Issues with GarageBand integration
- 💸 In-app purchase problems
- 🔄 Presets not saving
- 📉 App appears abandoned
Bugs and requests
AudioPocket for volca sample
Reported bugs
46 issues- Crashes on startup (iOS 11)
- App does not record or save audio
- Cannot work with prerecorded audio
- Error when uploading samples to Volca Sample 2
- Audio Pocket does not record audio
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- Audio Pocket won't let work saved audio samples
- No USB support for Volca Sample 2
- No support for new iPhones without headphone socket
- Audio transfer function does not work on iPad Pro
- No support for USB file transfer on Sample 2
- App not updated for Sample 2 (200 spaces)
- App not updated for Sample 2 (200 slots/presets)
- Obsolete, no updates
- Firmware update not current for Sample 2
- Only provides first 100 slots for Sample 2
- Error pops up when transferring samples
- Won't sync to device
- Essentially non-functional, cannot transfer files
- Only factory presets transfer
- App needs upgrade
- Limited to 100 sample slots
- Reverted Volca Sample 2 to Sample 1
- Lost sample slots and factory samples won't download
- Cannot load anything onto extra sample slots
- Cannot record with this app
- Useless for Volca Sample 2
- Sampler without ability to sample
- App not updated for new hardware
- Sample library for Sample V2 not available
- Support for banks over 99 (to 149) not available
- Only capable of saving 00-99
- No way to link iPhone to Volca Sample 2 other than stereo jack
- Error message when trying to transfer samples
- App is crap, error messages
- App is slow
- Only works on iPhone, useless on iPads
- Cannot edit sample after saving
- Error dcod when loading sounds
- CRC error when loading or erasing samples
- App says v1.22, Volca is v1.3
- Err dCod message on sampler
- Error d whilst trying to transfer samples
- Samples do not transfer
- App deletes sample slots
- No transfers working
- Doesn't seem to work with iPhone 4s
Requested features
21 requests- Update for Volca Sample 2 support (200 slots)
- USB file transfer support
- Support for newer iPhones without headphone jack
- Improve user interface and user experience
- Add editing features (trimming, cropping)
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- Allow editing of imported samples
- Transfer multiple samples at once
- Support for cloud storage (Dropbox, OneDrive, iCloud)
- Direct computer transfer to Volca Sample
- Allow editing of in/out points of recorded samples
- Direct recording into memory slot without computer/iOS
- Audio Share or 'open in' support
- Ability to type location number for samples
- Zoom and marker resolution improvements
- Zero crossing detection
- Normalize selected part
- Slice loops and assign to slots
- Looping helper for drones/pads
- Automatic saving to multiple devices (phone/iPad)
- Edit samples after saving
- Preview cropped section before saving
SynthMaster One for iPhone
Reported bugs
10 issues- App crashes when loading saved presets
- App crashes when setting default sound
- AUv3 option disappears in GarageBand
- Inability to reload user patches without crashing
- Inability to purchase certain IAP packs
Show 5 moreShow fewer
- Cells don't save, revert to first synth
- App doesn't function or open in GarageBand
- Every note is 1 note or lower
- GUI is cut off on iPhone SE
- IAA not loading in FL mobile
Requested features
10 requests- Fix in-app purchase issues
- Improve GarageBand AUv3 stability
- Enable saving of custom presets
- Address crashing when loading presets
- Fix note pitch issues
Show 5 moreShow fewer
- Ensure app is not abandonware
- Improve UI scaling on smaller screens
- Fix wavetable scrolling issues
- Make IAA work properly
- Allow recording of music
In-app purchases
AudioPocket for volca sample
No in-app purchases
SynthMaster One for iPhone
- BigTone Club Construction Set$4.99
- True Trance Sounds Volume 1$4.99
- Vandalism Future House$4.99
Show 7 moreShow fewer
- NatLife Retrowave Sounds Vol.1$4.99
- Demis Hellen Euphoric Trance$4.99
- NatLife Progressive&Deep Vol.1$4.99
- Vandalism Shocking Future Bass$4.99
- Venus Theory Trap Sounds$4.99
- Desktop Presets Upgrade$9.99
- SM One Expansions Bundle$24.99
Questions
Is AudioPocket for volca sample free?
Is SynthMaster One for iPhone free?
Which has better reviews, AudioPocket for volca sample or SynthMaster One for iPhone?
Do AudioPocket for volca sample or SynthMaster One for iPhone have ads?
Which is updated more often, AudioPocket for volca sample or SynthMaster One for iPhone?
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