SynthMaster Player vs Colossus Piano
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SynthMaster Player
This mobile synthesizer app provides a vast library of sounds for music production. It allows users to play presets, make limited edits, and access additional sound banks through in-app purchases. It integrates with other music apps and offers a built-in keyboard for immediate playability.
- Preset-based sound library
- Limited parameter editing
- XY pads for modulation
- AUv3 and InterApp Audio support
- Audiobus integration
- Built-in keyboard with pitch/mod wheels
- Scales functionality
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SynthMaster Player for iOS received "2016 Editor's Choice Award" from Electronic Musician Magazine! SynthMaster desktop version is voted as "The Best VST/AU Synth Plugin" by MusicRadar readers and also received "Gear of the Year" award from MusicTech Magazine for "Best Software Instrument" category. SynthMaster has received very positive reviews from acclaimed music technology magazines: "SynthMaster: The most powerful softsynth you may not have heard of" Keyboard Magazine "If ever there was a desert island synth, SynthMaster is it, covering all sonic bases with authority and a superb tone" Computer Music Magazine "Many developers say that they've produced the one and only synth you'll ever need, but we've always felt that was a dubious claim. In SynthMaster’s case, though, it’s one that rings true" MusicRadar INTRODUCTION SynthMaster Player for iOS is the MOBILE PLAYER VERSION of the award winning SynthMaster software synthesizer. It is targeted towards users who prefer to use presets rather than designing their own sounds during music production. Although it is a preset based player, users can edit the following preset parameters: 1) 8 easy parameters assigned by the sound designer 2) 2 XY Pads assigned by the sound designer 3) Effect bypass states and send amounts 4) Layer bypass states and volumes 5) Master volume, polyphony The free app comes with 100 factory presets. When users complete registration by entering their names and email addresses they receive another 100 factory presets as a bonus! After completing registration, users can upgrade to the Pro version of the app by purchasing the "Factory Presets" bank via In-App-Purchase (IAP). With the Pro Upgrade all of the 800 factory presets are loaded and also the following features are unlocked: 1. Users can save the changes they have made to the presets. 2. Users can purchase additional preset banks via In-App-Purchase (IAP). We currently have 28 additional preset banks that contain 1750 presets for various genres/styles. 3. Existing SynthMaster users can download their previously purchased SynthMaster preset banks inside the app, so that they don't have to purchase them again. 4. Existing SynthMaster users can export their own presets in SynthMaster v2.x and import them into SynthMaster Player for iPad using iTunes. AUv3 SynthMaster Player for iOS supports AUv3, you can add multiple instrument instances to your tracks. INTERAPP AUDIO SynthMaster Player for iOS acts as an source/instrument in InterApp Audio. We demonstrate in our user manual how to connect it to InterApp enabled DAW apps. AUDIOBUS SynthMaster Player for iOS acts as a source/instrument in AudioBus, with state saving enabled. We demonstrate in our user manual how to connect it to AudioBus enabled DAW apps. BUILT-IN KEYBOARD The built-in 2 octave keyboard with pitch and modulation wheels lets users play notes without having to connect an external MIDI controller to their iPad. With its Scale functionality, it shows the users the notes on the scale, and with its Chord functionality the user can play a certain chord by pressing a single note. MIDI SETTINGS SynthMaster Player for iOS supports CoreMIDI and also virtual MIDI. It acts as a virtual MIDI destination for other DAW apps. Midi input device, midi input channel, and receive midi beat clock settings can be adjusted from the MIDI Settings window. SYSTEM REQUIREMENTS Minimum Operating System Supported: iOS 9 Minimum Hardware Supported: iPad4, iPhone 5 and above Recommended Hardware: iPad Air and above, iPhone6 and above
Colossus Piano
Experience incredibly realistic piano sounds with a vast library of acoustic and electric piano models. This app offers advanced features like multi-velocity layers, pedal support, and MIDI integration for a professional playing experience.
- 13 high-quality piano models
- 24 velocity layers per key
- Sustain, Sostenuto, and Soft pedal support
- MIDI integration (In/Out)
- Audio Unit v3 and Inter-App Audio support
- Low latency disk streaming
- Adjustable tuning options
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Colossus Piano sets a new standard in terms of realism, detail and overall quality of piano sounds on your iPad, iPhone and iPod touch. There are 8 acoustic piano models available as 8 individual in-app purchases, plus 5 E-Piano legends bundled as 1 sound set with this app, together those 13 piano models make up 30 Gigabyte of sound material. All keys of all piano models were recorded in full length with a recording quality of 24 bit and 96 kHz stereo. Note: this app requires in-app purchases to provide its functionalities! Minimum Requirement: at least iPad 3 / iPad Air 1 / iPad mini 2 / iPhone 5 / iPod touch 6th gen. Recommended: iPad Air 2 / iPad mini 4 / iPad Pro / iPhone SE / iPhone 6s or higher. The dark brown „Colossus Concert Grand” model:³ • 24 velocity layers per key. • Dedicated sustain samples. • Release hammer sound. • Optional pad sound. • 14 GB in size (SSD space). The white „Baby Grand” model: • 12 velocity layers per key. • Dedicated sustain samples. • Release hammer sound. • Optional pad sound. • 6 GB in size (SSD space). The „Upright Piano” model: • 8 velocity layers per key. • Dedicated sustain samples. • Release hammer sound. • Optional pad sound. • 3.4 GB in size (SSD space). The „E-Piano” sound set: • 5 legendary E-Piano models (plus different model generations or configurations). • 17 E-Piano sounds in total. • Optional pad sound. • Optional tremolo effect. • 1.6 GB in size (SSD space). For information about the other piano models, please visit our product website! This app supports Audio Unit v3, Inter-App Audio and Bluetooth LE MIDI ! Software features: • Modulation wheel support for controlling the most relevant sound parameter of the currently selected sound. • Warm pad sound of a well known analogue synthesizer (not available for all models) can be turned on/off as support for the piano sound; volume can be controlled by mod. wheel and expr. controller. • Sustain pedal support for holding notes. • Sostenuto pedal support for holding individual notes. • Soft pedal support for a more gentle sound. • Expression pedal support for controlling optional pad layer's volume. • Hammer sound when releasing keys, uses round robin, can be turned on/off and volume controlled (some acoustic pianos only). • Polyphony of up to several hundred stereo voices.² • Low latency disk streaming. • Configurable audio latency down to 1 ms. • Integrated effects (18 presets). • App States: Save app's entire state as user presets. • MIDI velocity response curve editor. • App can keep running in the background. • Master Tune, Scale Tuning & Hermode Tuning. • Provides Audio Unit v3 plugin version of this app, which allows it to be used as virtual instrument directly within 3rd party multi-track DAW apps. • Supports Apple's "Inter-App Audio" system. • Virtual on-screen piano keyboard with velocity support, scalable & scrollable. MIDI Player / Recorder: • Record, save and load your songs in standard MIDI file format. • Share your songs easily as audio file. • Unlimited amount of tracks. • Unlimited recording and playback length. • Open MIDI (.mid) files directly from other apps (i.e. from Safari, Mail). • Download or upload MIDI files with iTunes. • Metronome. • Use the "Tempo Zoom" dial knob to i.e. slow down playback at any time, learn your favorite songs more easily. ¹ For more information about supported adapters and MIDI keyboards, please visit our product website. ² Some sounds might use several voices per note. Polyphony depends on the exact device model being used. You find a polyphony table on our product website. ³ Important: the dark brown „Colossus Grand” piano model requires a large amount of main memory, so we only recommend this piano model for device models mentioned as „recommended” above.
Screenshots
Verdict
The clearest difference is rating: SynthMaster Player at 4.4 against Colossus Piano's 3.3. On price, review sentiment, ratings volume and update cadence 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 Player sells 13 one-off in-app purchases and Colossus Piano sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
SynthMaster Player holds the better App Store score, 4.4 against 3.3. Both are backed by a comparable volume of ratings — 55 and 65 respectively. Written reviews complicate that: 52% of SynthMaster Player's written reviews are positive against 54% of Colossus Piano's, so the app with the better star average is not the one people write more warmly about.
SynthMaster Player ships an update every 3 months, Colossus Piano every 2 months. The most recent releases landed on October 15, 2026 and October 18, 2026 respectively.
| Parameter | SynthMaster Player | Colossus Piano |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (55 ratings) — better | 3.3 (65 ratings) |
| Positive reviews | 52.1% of reviews | 54.5% of reviews — better |
| Number of ratings | 55 | 65 — better |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 308 MB | 384 MB |
| Age rating | 4+ | 4+ |
| Developer | KV331 Audio | Christian Schoenebeck d/b/a Crudebyte |
Customer experience
SynthMaster Player
Colossus Piano
User reviews
SynthMaster Player
From 55 App Store ratingsWhat we love
- 🚀 Great sounds
- 👍 Fantastic presets
- 🚀 Excellent sound quality
- 👍 Inspiring sounds
- 👍 Rich and full synth sounds
Room to improve
- 🐛 Crashes and freezes
- 🐛 Buggy performance
- 🐛 Presets not loading
- 🐛 Unstable on newer devices
- 🐛 Compatibility issues
Colossus Piano
From 65 App Store ratingsWhat we love
- 🎶 Amazing piano sound quality
- 🎹 Realistic and detailed samples
- 🎧 High-fidelity audio
- ✨ Professional-grade instrument
- 💡 Inspiring and expressive
Room to improve
- 💰 Expensive in-app purchases
- 🚫 No free trial or demo sounds
- 💸 Overpriced for some users
- 💾 Large storage requirements
- 🐌 Slow download times
Bugs and requests
SynthMaster Player
Reported bugs
5 issues- Crashes on startup
- Purchased presets not loading
- Stuck notes
- Incompatibility with newer iOS versions
- Audiobus and IAA issues
Requested features
6 requests- Ability to edit and create own sounds
- Improved preset management
- Better integration with DAWs and Audiobus
- Background playback support
- Larger on-screen keyboard
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- More customization options
Colossus Piano
Reported bugs
27 issues- Crashes when exporting to WAV/M4A in GarageBand
- App crashes when switching piano models
- Audio Unit extension crashes
- No sound when exporting to GarageBand
- Plugin crashes in DAWs during export/freeze
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- App crashes when loading MIDI files
- Hammer sound too loud even at lowest settings
- Low C1 note out of tune
- Electric Grand F4 note sample start time issue
- Electric Grand G#4, D5 notes have noise on attack
- Plugin not loading properly in hosts
- AUv3 interface scaled back
- Exporting to WAV results in silence
- App crashes during export/freeze
- Japanese Grand has low volume
- Colossus Concert Grand needs improvement
- G1 key has loud, annoying noise
- B flat 3 key sounds too flat
- Crashing in AU mode
- Bass notes drop out when holding damper pedal
- Voice stealing makes piano perform unacceptably
- Bass is muddy in Concert Grand
- Note 26 (Bb2) sounds like an upright
- Subtle nuance playing is nearly impossible
- App crashes or freezes randomly
- MIDI player doesn't work with GarageBand
- Audio Units extension terminates unexpectedly
Requested features
14 requests- Add chorus effect
- Global EQ
- Release control
- Tap tempo for modulation speed
- Save velocity curves
Show 9 moreShow fewer
- More intuitive UI
- Zoom function for keys
- Add release samples
- MIDI export/import
- Three-band EQ
- Layering sounds on multiple MIDI keyboards
- Ability to save setups
- Improve AUv3 functionality
- Add more piano models
In-app purchases
SynthMaster Player
- Historical Synth Giants Vol 1$1.99
- BigTone Signature Sounds Vol1$4.99
- MK Expansion 2$4.99
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- Nori Ubukata Art Rock Basics$4.99
- Sounds of the World$4.99
- Factory Presets (PRO Upgrade)$4.99
- SynthMaster 2.7 presets$4.99
- SynthMaster 2.8 Presets$4.99
- Extra Factory Presets Bundle$9.99
- SynthMaster EDM Bundle 1$13.99
- Dawn Of Electronic Bundle$13.99
- Synth Giants Bundle$13.99
- Rob Lee EDM Bundle$19.99
Colossus Piano
- Vintage Upright$9.99
- Historic S Grand$9.99
- Pianino$12.99
Show 6 moreShow fewer
- Japanese Grand$12.99
- Classic B Grand$15.99
- Upright Piano$19.99
- Colossus E-Piano Set$19.99
- Baby Grand Piano$26.99
- Colossus Concert Grand$49.99
Questions
Is SynthMaster Player free?
Is Colossus Piano free?
Which has better reviews, SynthMaster Player or Colossus Piano?
Do SynthMaster Player or Colossus Piano have ads?
Which is updated more often, SynthMaster Player or Colossus Piano?
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