Comparison

Piano ∞ vs Piano Modoki

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

Head to head
About

Piano ∞

This app offers a comprehensive piano experience with five instruments, sheet music, lessons, and composing tools. It features AI-powered sheet music progression and realistic sound. An optional subscription unlocks a vast song catalog and advanced creation features.

Highlights
  • Five instrument options
  • Interactive sheet music
  • AI-powered lesson progression
  • Composing and recording tools
  • Realistic concert grand piano sound
  • Play-along feature
Features
Read full description

Piano Infinity is everything you will ever need in a piano. Get access to five instruments with sheet music, piano lessons, composing, and recording features. You can even play along on your own keyboard and Piano Infinity will keep up with the notes you play, progressing only if you play the right note. Piano Infinity uses smart AI to identify when you play the correct key, moving the sheet music along with you! Piano Infinity feels and sounds like a real concert grand piano. Don't wait, download Piano Infinity and get started for free today! Piano Infinity is free to download and play! Some users may choose to access the optional Music Studio Pass which includes hundreds of songs with sheet music and fingering for both left and right hands. The Music Studio Pass also allows users to create, edit, and save an unlimited number of songs! MUSIC STUDIO PASS SUBSCRIPTION  - You can subscribe for unlimited access to our complete song and instrument catalog - The subscriptions are $0.99 weekly, $9.99 for 3 months, $34.99 yearly* - You'll be able to perform all available songs on any instrument for the duration of your subscription as well as create, edit, and save unlimited songs - Payment will be charged to iTunes Account at confirmation of purchase - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period - Account will be charged for renewal within 24-hours prior to the end of the current period at the cost of the chosen package - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase - No cancellation of the current subscription is allowed during active subscription period - You can read our privacy policy and terms of use at at www.betterdaywireless.com/privacy  - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication *Price are equal to the value that "Apple's App Store Matrix" determines is the equivalent of the subscription price in $USD.

About

Piano Modoki

This app offers a simple, ad-free musical keyboard experience with piano-like sounds generated through FM synthesis. It provides customizable keyboard layouts, a metronome, and various tuning options for musicians.

Highlights
  • Ad-free musical keyboard
  • Customizable key size and layout
  • Metronome included
  • Adjustable reference pitch
  • Key transposition
  • Multiple temperament options
  • MIDI device support
Features
Read full description

A Simple Ad-Free Piano-like Musical Keyboard. Easy to Play, Good Response and Small Application Size. Just Enjoy the Instrument. "Modoki" is a Japanese word that refers to something similar, an imitation, or a mock version of the original. - You can scale key size. - The keyboard can be double rows. - You can flip the second keyboard. - It has a metronome. - You can adjust the frequency of the reference pitch. - You can transpose keys. - It can sound in a just intonation. The app doesn't use sampled real sounds but use FM synthesis. It sounds like piano though it's artificial. Supported temperament: Equal temperament, Just Intonation, Werckmeister III, Kirnberger III. You can connect External and Virtual MIDI devices. Some DAW can import this app's sound via Inter-App Audio. Two sounds, FM Piano-like and FM E.Piano are included by default. "Piano Modoki" can load KQ Dixie's current patch. This app and its description contain machine-translated text.

Screenshots

Piano ∞4 screens
Piano Modoki3 screens

Verdict

The call

The clearest difference is in-app purchases: Piano Modoki at none against Piano ∞'s 4. Piano Modoki also leads on update cadence (every 3 weeks vs every 9 months) and rating (4.8 vs 4.4). Piano ∞'s advantage is ratings volume (568 vs 57) and iOS requirement (13.0 vs 15.0). On price, review sentiment, ads and device support 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. Piano ∞ sells 4 in-app purchases, starting at $2.99 per 7 days. Piano Modoki asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Piano Modoki holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: Piano ∞ has 568 ratings behind it against 57, so its average is the more settled of the two. Written reviews point the same way: 79% of Piano ∞'s written reviews are positive against 86% of Piano Modoki's.

UpkeepUpdate frequency

Piano ∞ ships an update every 9 months, Piano Modoki every 3 weeks. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

Scorecard6 real differences · 4 level
Piano ∞ versus Piano Modoki: the parameters behind the verdict, then further details
ParameterPiano ∞Piano Modoki
PriceFreeFree
Rating4.4 (568 ratings)4.8 (57 ratings) — better
Positive reviews79.1% of reviews85.5% of reviews — better
Number of ratings568 — better57
Update frequencyEvery 9 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size88 MB2 MB
Age rating4+4+
DeveloperBetter Day Wireless, Inc.Ryouta Kira

Customer experience

Piano ∞

All ratings567 ratings
Positive84.8%
Neutral3.2%
Negative12.0%
Written reviews344 reviews
Positive79.1%
Neutral9.3%
Negative11.6%

Piano Modoki

All ratings57 ratings
Positive93.0%
Neutral3.5%
Negative3.5%
Written reviews69 reviews
Positive85.5%
Neutral4.3%
Negative10.1%

Bugs and requests

Piano ∞

Reported bugs

3 issues
  • Subscription auto-renewal issues
  • Keyboard not responsive at times
  • Certain notes or pitches sound off-key

Requested features

4 requests
  • Add more free songs and content
  • Allow users to import their own songs
  • Improve note visualization and scrolling
  • Add more advanced music editing tools

Piano Modoki

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Piano ∞

Subscriptions4
  • Unlimited Use7 Days trial$2.997 Days
  • Unlimited Use$9.993 Months
  • 1 Month Music Studio Pass$9.991 Month
Show 1 more
  • Unlimited Use$59.991 Year
None

Piano Modoki

No in-app purchases

Questions

Is Piano ∞ free?
Piano ∞ is free to download, with in-app purchases available.
Is Piano Modoki free?
Piano Modoki is free to download, with no in-app purchases.
Which has better reviews, Piano ∞ or Piano Modoki?
Piano Modoki is rated higher. Piano ∞ averages 4.4 out of 5 from 568 ratings, while Piano Modoki averages 4.8 from 57 ratings.
Do Piano ∞ or Piano Modoki have ads?
Neither Piano ∞ nor Piano Modoki shows ads.
Which is updated more often, Piano ∞ or Piano Modoki?
Piano ∞ ships an update every 9 months, and Piano Modoki every 3 weeks. Most recently, Piano ∞ was updated on November 6, 2026 and Piano Modoki on November 7, 2026.

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