Comparison

Keyboard instrumentSS IA vs Piano Sim

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

Head to head
About

Keyboard instrumentSS IA

This app offers a virtual keyboard experience with 26 different instruments, including a free piano. Record your playing, vocals, or voice memos and share them via email. It also allows you to play along with music from other apps.

Highlights
  • 26 virtual instruments
  • Free piano included
  • Recording function
  • Email audio sharing
  • Play along with other music apps
  • iTunes file sharing support
Features
Read full description

A keyboard instrument is a musical instrument that is played using a keyboard. "Keyboard instrumentSS IA" includes 26 instruments such as piano and clavinet in one package. PianoSS is available for free and the other musical instruments can be purchased by using the Purchase button whenever you want. Note: please find the details about each music instrument on our website. http://hdoapp.sakura.ne.jp/keyboardssia_en.html Added the recording function! It picks the surrounding sounds as well, and you can use it in many different ways such as recording your vocals or creating a voice memo. You can also send the recorded data via email. Note that the maximum attachment size of an email depends on the iOS device you are using. Please contact your cell phone service provider for further information. * A 10 seconds recording is around 450 kB. - Support iTunes file sharing(http://support.apple.com/kb/HT4094?viewlocale=en_US) Added the play with other music app button on the right side of the record button (however, this disables the recording). For example, you can play along with your favorite songs on Music app. Now you can select the audio file format when recording. If you want to send a file via email, record at "22kHz / 8 bit" to reduce the file size. - Users who have a problem with the musical instrument app that doesn't make any sound. (http://support.apple.com/kb/HT5137?viewlocale=en_US) - Rotate Keyboard Button - Octave Up and Down Button - Display scale on keyboard - Support orientation - Record button / Play button / Stop button / Send the sound data via Email button - Support iTunes file sharing - Play with other music app button - Shows ads - Set Contents - PianoSS(Free) Range: C1 - C8, approximately 7 octaves (85 tones) - ElectricPianoSS(Paid) Range: C1 - G7, approximately 7 octaves (80 tones) - ClavinetSS(Paid) Range: C1 - E6, approximately 6 octaves (65 tones) - PipeOrganSS(Paid) Range: C2 - C7, approximately 5 octaves (61 tones) - BandoneonSS(Paid) Range: E2 - C#6, approximately 4 octaves (46 tones) - AccordionSS(Paid) 32-key 32-bass - CarillonSS(Paid) Range: C3 - G5, approximately 3 octaves (31 tones) - iPad Range: C2 - G5, approximately 2 octaves (20 tones) - iPhone, iPod Touch - ClavichordSS(Paid) Range: F1 - F6, approximately 5 octaves (61 tones) - HarpsichordSS(Paid) Range: F1 - F6, approximately 5 octaves (61 tones) - CelestaSS(Paid) Range: A1 - G6#, approximately 5 octaves (60 tones) - ToyPianoSS(Paid) Range: C4 - F5, approximately 2 octaves (18 tones) - MelodicaSS(Paid) Range: B3 - F#6, approximately 3 octaves (32 tones) - SpinetSS(Paid) Range: B2 - E6, approximately 4 octaves (54 tones) - JazzOrganSS(Paid) Range: C2 - C7, approximately 5 octaves (61 tones) - GospelOrganSS(Paid) Range: C2 - C7, approximately 5 octaves (61 tones) - FullHouseOrganSS(Paid) Range: C3 - C7, approximately 4 octaves (49 tones) - MellotronSS(Paid) Range: A1 - C7, approximately 5 octaves (64 tones) - VintageOrganSS(Paid) Range: F2 - F6, approximately 4 octaves (49 tones) - GTDrawbarsSS(Paid) Range: F2 - F6, approximately 4 octaves (49 tones) - GTVeloTonicSS(Paid) Range: F2 - F6, approximately 4 octaves (49 tones) - PhoenixStandardSS(Paid) Range: F2 - F6, approximately 4 octaves (49 tones) - JazzPianoSS(Paid) Range: C1 - C8, approximately 7 octaves (85 tones) - OrganSS(Paid) Range: C1 - C8, approximately 7 octaves (85 tones) - AnotherOrganSS(Paid) Range: C1 - C8, approximately 7 octaves (85 tones) - ThereminSS(Paid) Range: C2 - C5, 3 octaves (37 tones) - iPad Range: C3 - C5, 2 octaves (25 tones) - iPhone, iPod Touch - HarpSS(Paid) Range: C3 - G5, approximately 4 octaves (44 tones)

About

Piano Sim

This app brings the piano experience to your device with high-quality sounds and versatile play modes. Explore different piano types, shape your sound with effects, and customize the layout for an immersive musical journey. Record and share your performances easily.

Highlights
  • Three distinct piano types
  • Multiple flexible play modes
  • Expressive real-time effects
  • Customizable key width and note display
  • Microtonal tuning and transpose function
  • Record, share, and screenshot performances
Features
Read full description

Step into the expressive world of piano performance with Piano Sim! Whether you're a seasoned pianist, a music enthusiast, or a curious beginner, Piano Sim brings the beauty of piano music to your fingertips. Featuring high-quality sounds, versatile play modes, powerful effects, and rich customization options, this app offers a complete and deeply immersive piano experience. Three Piano Types – Three Distinct Characters Explore a curated collection of premium piano sounds to match your musical mood and style: Grand Piano – Rich, warm, and resonant—perfect for classical and cinematic performances. Digital Piano – Clean, modern tones ideal for pop, ambient, and electronic compositions. Honky Tonk Piano – Bright and nostalgic with a slightly detuned charm—great for jazz, blues, and retro vibes. Flexible Play Modes for Full Musical Control Tailor your playing experience with three intuitive sound behavior modes: Multi Note Mode: Play freely with full polyphony—perfect for chords and expressive melodies. Single Note Mode: Only one note can play at a time—ideal for lead lines and monophonic styles. No Hold Mode: Notes stop immediately when you release the key, just like on a synth or organ. Expressive Effects to Shape Your Sound Reverb: Add spaciousness and ambiance to your performance. Chorus: Enrich your tone with lush, layered harmonics. Sensitive Play Mode: The lower part of each key plays louder when touched—allowing dynamic control key by key, simulating real pressure-based sensitivity. Visual and Functional Flexibility Note Display Options: Choose between traditional Do Re Mi notation or scientific note names like C1, D1, E1...—perfect for all skill levels. Adjustable Key Width: Seamlessly navigate all 88 keys of a full piano with adaptive key sizing, so you can play complete pieces even on small screens. Advanced Musical Controls Microtonal Tuning: Perform Eastern modes and alternative scales with precise pitch control. Transpose Function: Instantly shift the pitch of the entire keyboard to suit your voice or instrument range. Capture and Share Your Creativity Record Your Music: Save your performances with a single tap. Share Anywhere: Send your recordings via messaging apps or post them directly on social media. Take Screenshots: Capture visual moments of your performance and share them just as easily. Why Piano Sim Stands Out Three Distinct Pianos with beautiful, professionally sampled sounds Three Sound Modes for ultimate playing flexibility Real-Time Effects and per-key dynamics for expressiveness Microtone + Transpose Support for advanced musical exploration Recording, Sharing & Screenshot Features built into the app Customizable Layout and note display modes Modern, Intuitive Interface designed for all ages and skill levels Download Piano Sim today and experience the freedom, creativity, and power of piano music—wherever you go!

Screenshots

Keyboard instrumentSS IA4 screens
Piano Sim4 screens

Verdict

The call

The clearest difference is ads: Keyboard instrumentSS IA at none against Piano Sim's shown. Keyboard instrumentSS IA also leads on iOS requirement (9.0 vs 12.0). On price, update cadence, in-app purchases and monetization model 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. Keyboard instrumentSS IA sells 15 one-off in-app purchases and Piano Sim sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Keyboard instrumentSS IA ships an update monthly, Piano Sim every 2 months. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level
Keyboard instrumentSS IA versus Piano Sim: the parameters behind the verdict, then further details
ParameterKeyboard instrumentSS IAPiano Sim
PriceFreeFree
Rating—4.9 (9 ratings) — better
Positive reviews25.0% of reviews—
Number of ratings—9 — better
Update frequencyMonthly — betterEvery 2 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better12.0
Further details — not scored
Size268 MB130 MB
Age rating4+4+
DeveloperYUJI HASEBEAlper Kahriman

Customer experience

Keyboard instrumentSS IA

Written reviews4 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

Piano Sim

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

15 purchases

Keyboard instrumentSS IA

One-time15
  • ElectricPianoSS$0.99
  • ClavinetSS$0.99
  • PipeOrganSS$0.99
Show 12 more
  • ClavichordSS$0.99
  • HarpsichordSS$0.99
  • CelestaSS$0.99
  • ToyPianoSS$0.99
  • MelodicaSS$0.99
  • OrganSS$0.99
  • BandoneonSS$1.99
  • AccordionSS$1.99
  • JazzOrganSS$1.99
  • HarpSS$1.99
  • CarillonSS$2.99
  • ThereminSS$2.99
1 purchases

Piano Sim

One-time1
  • Get Premium$9.99

Questions

Is Keyboard instrumentSS IA free?
Keyboard instrumentSS IA is free to download, with in-app purchases available.
Is Piano Sim free?
Piano Sim is free to download, with in-app purchases available.
Do Keyboard instrumentSS IA or Piano Sim have ads?
Piano Sim shows ads; Keyboard instrumentSS IA does not.
Which is updated more often, Keyboard instrumentSS IA or Piano Sim?
Keyboard instrumentSS IA ships an update monthly, and Piano Sim every 2 months. Most recently, Keyboard instrumentSS IA was updated on October 28, 2026 and Piano Sim on October 24, 2026.

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