Comparison

iImprov vs Jazz Licks

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

Head to head
About

iImprov

Explore the language of Bebop with comprehensive lessons and interactive jam-alongs. Learn to master bebop scales, develop longer phrases, and practice chord substitutions with tempo-adjustable audio examples and transposable notation.

Highlights
  • Bebop scale realization
  • Phrase development techniques
  • Turnarounds and chord substitutions
  • Confirmation sequence breakdown
  • I Got Rhythm changes practice
  • Tempo-adjustable jam-alongs
  • Transposable notation
Features
Read full description

iImprov - Bebop This latest in the iImprov series from Jazz Apps Mobile is designed to help take the mystery out of the language of Bebop. There are 9 comprehensive lessons and 8 JAM- A-longs. Each lesson contains a detailed explanation as well as exercises, transposable notation and tempo-adjustable audio examples. Many of the concepts are also demoed by saxophonist Tony Bray at the end of the lessons. The topics covered include: - How to fully realize the bebop scale through strategic placement of half steps to ultimately include all twelve notes of the chromatic scale while maintaining appropriate chord colors. - How to develop longer phrases. - Turnarounds and chord substitutions. (Includes tempo adjustable examples that loop and transpose for practicing over.) - A breakdown of the Confirmation sequence. - Various approaches to playing over I Got Rhythm changes. JAM-A-longs include individually created files for each key. Each will loop indefinitely, all keys are covered and tempos are adjustable. The included JAM-A-longs are: - V7 - II V I - I Got Rhythm 1 - I Got Rhythm 2 - Confirmation Sequence - Turnaround 1 - Turnaround 2 - Turnaround 3 As with other other Jazz Apps Mobile apps, you can set the notation clef and the overall transposition for your specific instrument and there is balance control for the JAM-A-Longs. Happy Practicing!

About

Jazz Licks

Practice jazz improvisation with scrolling sheet music, backing tracks, and automatic transposition for various instruments. Offers adjustable tempo, clef switching, and PDF export for sheet music.

Highlights
  • Melody Guide with sheet music sync
  • Backing tracks with drums
  • Automatic 12-key transposition
  • Variable tempo control
  • Clef switching (treble/bass)
  • PDF export for sheet music
  • Favorites registration
Features
Read full description

◆This is a one-time purchase app that lets you practice various jazz improvisation phrases with backing tracks. Fully compatible with transposing instruments such as trumpet and saxophone. 【Main Features】 ・Melody Guide:Phrases scroll along with the sheet music and backing, allowing you to practice in sync. Great for beginners too! ・Backing with Drums:The drum keeps the rhythm so you can focus on groove while practicing. ・Automatic 12-Key Transposition:Practice without worrying about keys, even for C, Eb, and Bb instruments. ・Variable Tempo:Easily change the tempo to various patterns via settings. ・Key Step Adjustment:Optimize difficulty by transposing up a half step, perfect fourth, or perfect fifth. ・Clef Switching:Switch between treble and bass clefs. The actual pitch follows accordingly. ・Backing Pattern Switching:Freely change styles like Swing or Bossa Nova to match the mood. ・Backing Only Playback:Practice improvisation realistically without the melody line. ・Favorites Registration:Collect your favorite phrases in one place for instant access. ・PDF Export:Convert phrases into sheet music PDFs for printing. ・Simple UI & Easy Operation:Minimalist design makes functions clear at a glance. ・More Phrases Coming Soon:Content will be expanded with updates. 【Recommended For】 ・Jazz beginners to advanced players ・Wind players who want to improve improvisation for big band or jam sessions ・Those who want to systematically learn standard jazz phrases ・Those who want to manage sheet music, backing, and tempo all in one app 【One-Time Purchase for Peace of Mind】 ・No additional payments or subscriptions ・Future phrase additions will also be provided for free

Screenshots

iImprov4 screens
Jazz Licks3 screens

Verdict

The call

The clearest difference is rating: iImprov at 4.9 against Jazz Licks's 3.7. iImprov also leads on price ($3.99 vs $12.99) and review sentiment (100% vs 62%). Jazz Licks's advantage is update cadence (every 6 days vs every 32 months). On ratings volume, ads, 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

iImprov costs $3.99 and Jazz Licks $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

iImprov holds the better App Store score, 4.9 against 3.7. Both are backed by a comparable volume of ratings — 7 and 6 respectively. Written reviews point the same way: 100% of iImprov's written reviews are positive against 62% of Jazz Licks's.

UpkeepUpdate frequency

iImprov ships an update every 32 months, Jazz Licks every 6 days. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
iImprov versus Jazz Licks: the parameters behind the verdict, then further details
ParameteriImprovJazz Licks
Price$3.99 — better$12.99
Rating4.9 (7 ratings) — better3.7 (6 ratings)
Positive reviews100.0% of reviews — better61.9% of reviews
Number of ratings7 — better6
Update frequencyEvery 32 monthsEvery 6 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better12.0
Further details — not scored
Size19 MB49 MB
Age rating4+4+
DeveloperJazz Apps Mobile LLCGENIT Inc.

Customer experience

iImprov

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Jazz Licks

All ratings6 ratings
Positive66.7%
Neutral16.7%
Negative16.7%
Written reviews21 reviews
Positive61.9%
Neutral14.3%
Negative23.8%

In-app purchases

None

iImprov

No in-app purchases

None

Jazz Licks

No in-app purchases

Questions

Is iImprov free?
iImprov costs $3.99, with no in-app purchases.
Is Jazz Licks free?
Jazz Licks costs $12.99, with no in-app purchases.
Which has better reviews, iImprov or Jazz Licks?
iImprov is rated higher. iImprov averages 4.9 out of 5 from 7 ratings, while Jazz Licks averages 3.7 from 6 ratings.
Do iImprov or Jazz Licks have ads?
Neither iImprov nor Jazz Licks shows ads.
Which is updated more often, iImprov or Jazz Licks?
iImprov ships an update every 32 months, and Jazz Licks every 6 days. Most recently, iImprov was updated on November 1, 2026 and Jazz Licks on November 3, 2026.

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