Comparison

Recognize vs Piano Chord Scales for compose

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

Head to head
About

Recognize

Identify songs playing from any audio source, including radio, TV, and movies. The app automatically stores your identified tracks in the cloud and allows you to preview songs, watch music videos, and explore artist content. Interact with friends and discover trending music.

Highlights
  • Identify songs from any audio source
  • Cloud storage for identified tracks
  • Discover popular and trending songs
  • Preview songs and watch music videos
  • View artist content
  • Social interaction features
Features
Read full description

Recognize is the latest iOS app to help you identify your favourite songs from any radio station, movie, TV show or commercial. All you have to do is hold up your device to the speaker, press the mic button and Recognize will tell you the track playing. It's as easy as that! Not only will Recognise "recognize" a song for you but the following features are also available to you: - Recognize automatically stores all of you tags in the cloud. This means they are accessible from all of your devices. - Discover what the most popular songs that are being Recognized are in the current week. - Identify songs playing from any audio source. - Unlimited tags. - Discover the most recognized songs and find the next big hits. - Preview songs right within the app itself. - Watch the music video of songs you recognize or discover. - Quick links to give you the option to purchase the song from iTunes. - View all the content from the artist of the song you have just identified. - Social features that let you interact with your friends. - Grid view and list view. Download Recognize today and don't forget to tell your friends. #Recognize

About

Piano Chord Scales for compose

Easily check piano chords with a comprehensive list and a memory function to save favorites. Play and hear the chords directly on the virtual piano. Expand your saving capacity with an in-app purchase.

Highlights
  • Chord list lookup
  • Save favorite chords
  • Play chord sounds
  • Adjustable sound octaves
  • Edit and delete saved chords
  • Expandable memory slots
Features
Read full description

It is an application that you can easily check the piano chords with a list. You can save the chords you care about in the memory function and see it all at once. You can check the sound by touching the displayed piano. · About sound The sound can be confirmed with the criteria of C4, C3, C2 respectively. You can switch by touching the [C4 button] on the screen. (The initial value is C4.) · How to use memory 1. Touch the [Memory button] you want to save. 2. Select the piano chord you want to save. 3. Touch the [Set button]. The contents of the saved memory can be checked by List. You can also delete and edit in the List. * You can save nine codes. (You can save 24 pieces after purchase.) * There are two memories that can be saved. (Up to nine can be increased after purchase.)

Screenshots

Recognize4 screens
Piano Chord Scales for compose2 screens

Verdict

The call

The clearest difference is ads: Recognize at none against Piano Chord Scales for compose's shown. Recognize also leads on review sentiment (41% vs 33%) and iOS requirement (8.0 vs 13.0). 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. Recognize sells 1 one-off in-app purchase and Piano Chord Scales for compose sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Recognize ships an update every 3 weeks, Piano Chord Scales for compose every 5 weeks. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

Scorecard3 real differences · 7 level
Recognize versus Piano Chord Scales for compose: the parameters behind the verdict, then further details
ParameterRecognizePiano Chord Scales for compose
PriceFreeFree
Rating1.7 (51 ratings) — better—
Positive reviews41.5% of reviews — better33.3% of reviews
Number of ratings51 — better—
Update frequencyEvery 3 weeks — betterEvery 5 weeks
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better13.0
Further details — not scored
Size17 MB6 MB
Age rating4+4+
DeveloperJG Applications Ltdkenji kiuchi

Customer experience

Recognize

All ratings51 ratings
Positive17.6%
Neutral2.0%
Negative80.4%
Written reviews135 reviews
Positive41.5%
Neutral4.4%
Negative54.1%

Piano Chord Scales for compose

Written reviews3 reviews
Positive33.3%
Neutral33.3%
Negative33.3%

Bugs and requests

Recognize

Reported bugs

11 issues
  • App crashes immediately when microphone button is pressed
  • Force closes without error messages
  • Login/signup button functionality broken
  • Token expiration errors on authentication
  • No close button (X) on error dialogs
Show 6 more
  • App crashes after reinstallation
  • Crashes on startup for some users
  • Misspelled error messages ('unfortunately' misspelled)
  • App notification badge (1) cannot be removed
  • Orientation not properly supported on iPad
  • Recognition fails after working initially

Requested features

7 requests
  • Remove mandatory login requirement
  • Add lyrics viewing capability
  • Offline song recognition capability
  • Save/bookmark recognized songs for later
  • Remove social media permission requirements
Show 2 more
  • Better handling of background noise
  • Faster recognition time (under 10 seconds)

Piano Chord Scales for compose

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Recognize

One-time1
  • Remove Adverts$0.99
1 purchases

Piano Chord Scales for compose

One-time1
  • Remove Ad & all functions.$6.99

Questions

Is Recognize free?
Recognize is free to download, with in-app purchases available.
Is Piano Chord Scales for compose free?
Piano Chord Scales for compose is free to download, with in-app purchases available.
Do Recognize or Piano Chord Scales for compose have ads?
Piano Chord Scales for compose shows ads; Recognize does not.
Which is updated more often, Recognize or Piano Chord Scales for compose?
Recognize ships an update every 3 weeks, and Piano Chord Scales for compose every 5 weeks. Most recently, Recognize was updated on November 1, 2026 and Piano Chord Scales for compose on November 2, 2026.

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