Comparison

KeyMorph vs Midi Hub

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

Head to head
About

KeyMorph

Features
Read full description

KeyMorph is the ultimate practice companion for anyone playing a transposing instrument. With a full‑sized, touch‑responsive piano keyboard and a simple dropdown menu, you can choose an available instrument and immediately see the adjusted note names rendered atop each key—no mental math required. KeyMorph helps you: Visualize transposition in real time, so you always know which piano key corresponds to your instrument’s written pitch. Switch instruments effortlessly—great for multi‑instrumentalists or band directors working with different sections. Build confidence by practicing scales, chords, and melodies in their concert‑pitch form while seeing exactly what to play on your instrument. Ideal for students, educators, and professionals alike, KeyMorph makes learning and performing transposed music intuitive, accurate, and fun. Instruments Supported: Piano Violin Oboe Alto Saxophone Soprano Saxophone Tenor Saxophone Baritone Saxophone Trumpet French Horn Clarinet More instruments to come!

About

Midi Hub

Features
Read full description

MIDI Hub brings MIDI discovery, playback, practice, recording, and personal library management together in one place. Key features: • Search and preview public MIDI songs • Save favorites and review recent practice • Practice with waterfall, staff, or numbered notation • See the next keys highlighted in real time • Practice left and right hands separately • Listen to humanized demonstration playback • Connect a MIDI keyboard for interactive practice • Record, upload, and manage your own MIDI files • Share songs through links that anyone can preview • Adjust practice tempo and key Some features require an account, a compatible MIDI device, and an internet connection.

Screenshots

KeyMorph4 screens
Midi Hub4 screens

Verdict

The call

The clearest difference is in-app purchases: KeyMorph at none against Midi Hub's 1. On price, ads, device support and iOS requirement 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. Midi Hub sells 1 one-off in-app purchase. KeyMorph asks for nothing beyond the download.

Scorecard1 real difference · 5 level
KeyMorph versus Midi Hub: the parameters behind the verdict, then further details
ParameterKeyMorphMidi Hub
PriceFreeFree
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size31 MB57 MB
Age rating4+4+
DeveloperOmni Devs晨 黄

In-app purchases

None

KeyMorph

No in-app purchases

1 purchases

Midi Hub

One-time1
  • 100 Points$19.99

Questions

Is KeyMorph free?
KeyMorph is free to download, with no in-app purchases.
Is Midi Hub free?
Midi Hub is free to download, with in-app purchases available.
Do KeyMorph or Midi Hub have ads?
Neither KeyMorph nor Midi Hub shows ads.

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