Comparison

Piano Partner vs Colossus Piano

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

Head to head
About

Piano Partner

Enhance your Roland digital piano experience with interactive learning tools. This app offers a fun music game to build skills, a browser to access onboard sounds and songs, and a digital sheet music display for built-in pieces.

Highlights
  • Interactive music game for skill building
  • Access onboard sounds and songs
  • Digital sheet music display
  • Wireless connectivity with adapter
  • Content browsing by category
Read full description

Experience the luxury of a digital piano with your iPad. Piano Partner is iPad app that provides a fresh, interactive way to learn and play a piano with your Roland digital piano. (Some models may require a system update.) * Piano Partner supports Roland’s LX-15e/15, HP508/507/506/505/504/503, DP90Se/90e/90S/90, RP401R, F-130R, FP-80/50 and F-20. * DigiScore Lite is only compatible with the LX-15e/15, HP508/507/506/504, DP90Se/90e, RP401R and F-130R. Piano Partner contains three applications: Flash Card, Content Browser, and DigiScore Lite. • Flash Card is an interactive music game that builds your listening and reading skills in a fun. • Contents Browser lets you quickly access hundreds of onboard sounds and songs of the connected Roland piano by category names on the iPad’s display. • DigiScore Lite displays digital sheet music of the built-in songs on the iPad screen. * Content Browser and DigiScore Lite are only available for the built-in songs. You can’t use your original piano recordings nor other SMF files. * By inserting the Roland’s WNA1100-RL Wireless USB Adapter (sold separately) into the USB MEMORY port of your Roland piano, you can use Piano Partner applications on your iPad wirelessly. * In order for the iPad to communicate with compatible Roland pianos using the WNA1100-RL, a wireless LAN access point with an Internet connection is required. * Make sure your instrument is updated with the most current System Program. Some models may require a system update. Latest system program and setup instructions can be found at www.roland.com.

About

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.

Highlights
  • 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
Features
Read full description

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

Colossus Piano4 screens

Verdict

The call

The clearest difference is review sentiment: Colossus Piano at 54% against Piano Partner's 9%. Colossus Piano also leads on rating (3.3 vs 1.7) and update cadence (every 2 months vs every 26 months). Piano Partner's advantage is in-app purchases (none vs 9) and iOS requirement (9.3.5 vs 12.0). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Colossus Piano sells 9 one-off in-app purchases. Piano Partner asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Colossus Piano holds the better App Store score, 3.3 against 1.7. That said, the two scores are not equally well evidenced: Colossus Piano has 65 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 9% of Piano Partner's written reviews are positive against 54% of Colossus Piano's.

UpkeepUpdate frequency

Piano Partner ships an update every 26 months, Colossus Piano every 2 months. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

Scorecard8 real differences · 2 level
Piano Partner versus Colossus Piano: the parameters behind the verdict, then further details
ParameterPiano PartnerColossus Piano
PriceFreeFree
Rating1.7 (7 ratings)3.3 (65 ratings) — better
Positive reviews9.3% of reviews54.5% of reviews — better
Number of ratings765 — better
Update frequencyEvery 26 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPadiPhone, iPad, iPod — better
Requires iOS9.3.5 — better12.0
Further details — not scored
Size8 MB384 MB
Age rating4+4+
DeveloperRoland CorporationChristian Schoenebeck d/b/a Crudebyte

Customer experience

Piano Partner

All ratings7 ratings
Positive14.3%
Neutral0.0%
Negative85.7%
Written reviews54 reviews
Positive9.3%
Neutral14.8%
Negative75.9%

Colossus Piano

All ratings65 ratings
Positive50.8%
Neutral9.2%
Negative40.0%
Written reviews112 reviews
Positive54.5%
Neutral9.8%
Negative35.7%

Bugs and requests

Piano Partner

Not enough reviews yet to summarise bugs or requests.

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
Show 22 more
  • 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 more
  • 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

None

Piano Partner

No in-app purchases

9 purchases

Colossus Piano

One-time9
  • Vintage Upright$9.99
  • Historic S Grand$9.99
  • Pianino$12.99
Show 6 more
  • 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 Piano Partner free?
Piano Partner is free to download, with no in-app purchases.
Is Colossus Piano free?
Colossus Piano is free to download, with in-app purchases available.
Which has better reviews, Piano Partner or Colossus Piano?
Colossus Piano is rated higher. Piano Partner averages 1.7 out of 5 from 7 ratings, while Colossus Piano averages 3.3 from 65 ratings.
Do Piano Partner or Colossus Piano have ads?
Neither Piano Partner nor Colossus Piano shows ads.
Which is updated more often, Piano Partner or Colossus Piano?
Piano Partner ships an update every 26 months, and Colossus Piano every 2 months. Most recently, Piano Partner was updated on November 1, 2026 and Colossus Piano on October 24, 2026.

Other comparisons