Comparison

Improvisation Trainer vs JAMMATES Lite

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

Head to head
About

Improvisation Trainer

This music app offers flexible practice tools for musicians of all levels. Create custom exercises with random or specific chord progressions, choose from various playback styles, and save your settings. It's designed for both individual practice and music education.

Highlights
  • Random chord mode with custom pools
  • Progression player for favorite chord sequences
  • Custom exercise generation
  • Multiple playback styles (Rock, Pop, Swing, etc.)
  • Save and share custom settings
  • Music sheet layout display
Features
Read full description

„Improvisation Trainer - the music learning app everybody has been waiting for.“ Improvisation Trainer is the perfect practicing companion for both beginners and professionals in music out of every music field. Due to it’s incredible flexibility you can use the app no matter what style of music you prefer.  It is the perfect practicing tool for custom, creative and level-based exercises - no matter if you are a rookie or a professional musician. It is a indispensable tool for music teachers and provides an ultimate platform for practicing harmonic and melodic instruments. Just get started with one of our presets to give you an idea about the endless possibilities the app can do! With Improvisation Trainer you can: EFFECTIVE PRACTICING! RANDOM CHORD MODE • practice improvising on your favorite chords • practice improvising within random given chords out of a defined chord pool • define your own chord pools specially designed for your needs • diatonic mode: practice improvising only within a specified key • chromatic mode: practice your skills on all bass notes of the chromatic scale • modal mode: chord symbols will randomly change, but only on one bass note • custom mode: practice your chords on personally specified root notes (i.e., C and F) • set the chord duration for each chord (i.e., 2 bars) • set a loop to create perfect practicing exercises for you • tell the app in which meter you want to improvise (3/4, 4/4, 5/4, 7/8, …) PROGRESSION MODE • practice all your favorite chord progressions in the progression player • here are some progressions that are included:  • II-V-I • I-VI-IV-V-I • I-IVm, … • custom progressions: practice your progressions only in specified keys • chromatic progressions: practice your progressions in all 12 chromatic keys • completely individually shape your own exercises or just use the given presets to start practicing! CUSTOM MODE  • generate your own sequence of chords for fast creating of truly unique exercises • choose the length of each chord using the specified interface • use one of many styles to playback your exercise IT’S ALL A MATTER OF STYLE • choose from a variety of different playback styles: Rock, Pop, Swing, Bossa-Nova, Disco, Country and many more • choose your individual playback tempo • tell the app in which meter you want to improvise (3/4, 4/4, 5/4, 7/8, …) SAVE AND SHARE YOUR SETTINGS • you can save all your custom settings to get started quickly • you can easily share the settings with friends, students or other people using e-mail MANY DISPLAYING OPTIONS FOR EFFICIENT PRACTICING • define which accidentals you want to see (#,b or random) • practice while using a regular music sheet layout with your generated chords • simple mode: only display three chords at a time • short time hint: display the next chord only a short time before you hear it ADVANCED FEATURES • practice chords with a lot of extensions like G7(#9,b13) • create endless material for you to practice on • improvise in odd time signatures • loop-mode: transpose your exercises after a certain number of loops • loop-mode: create uneven loops to practice odd bar phrases • progression mode: define exactly which chords you want to hear on each degree (i.e. only m7 on II and only 7(b9) on V) • use the included mixing desk to adjust the volume of bass-notes, chords and drums EAR TRAINING • You can also use the app as a ear-training program. Just define which chords you want to be played and don’t look at the display or use our „only time“ preset!

About

JAMMATES Lite

This app provides high-quality backing tracks for over 190 Jazz standards, recorded by professional musicians. It offers a live band experience with variations and humanistic character, moving beyond robotic loops. Download tracks to your playlist and play along with piano, bass, and drums.

Highlights
  • 190+ Jazz standard backing tracks
  • Recorded by professional musicians
  • Live band experience
  • Tempo variations
  • Playlist saving
  • Humanistic accompaniment
Features
Read full description

[JAMMATES is newly opened as a trial version!] JAMMATES is an app that features accompaniments to over 190 Jazz standards recorded by professional musicians. It is a performance companion for all musicians. Stop practicing with robotic, mechanical backing tracks. You can play as many times as you want at any time with the experience of playing with a live band every time you play. Every single JAMMATES backing track was recorded by a live playing trio with thoughtful consideration for the user. Try JAMMATES, an unprecedented Jazz accompaniment collection app. Features: - Wherever you are, that place becomes the stage. Once you download the backing tracks from the app database by saving them to your playlist, try playing along a full live band sound with piano, bass, and drums. - Playing without grooves is no longer helpful. Start moving away from repetitive mechanical loops. The accompaniment needs variation and humanistic character to enhance your performance. - Get the same live experience across different tempos. The songs provided by default have up to 3 different tempo selections that have each been recorded separately. - Various music included in JAMMATES Do you spend time searching online to find backing tracks that barely meet your standards? Install JAMMATES and search for the standard you want to play along with, then start practicing as if there is a live band playing behind you. JAMMATES contains various music that are commonly played in jam sessions and professional performances. ※ The 'JAMMATES - Trial ver.' has a limited number of songs. If you want to play the various song, please download the 'JAMMATES Full ver.' Be classy, be crazy, be jazzy Do you have any questions, comments, or suggestions? Please contact us at eve@adup.kr

Screenshots

Improvisation Trainer4 screens
JAMMATES Lite4 screens

Verdict

The call

The clearest difference is review sentiment: Improvisation Trainer at 64% against JAMMATES Lite's 13%. Improvisation Trainer also leads on rating (4.2 vs 2.6) and iOS requirement (12.1 vs 15.6). JAMMATES Lite's advantage is in-app purchases (none vs 1) and update cadence (every 10 days vs every 2 months). On price, ratings volume, 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. Improvisation Trainer sells 1 one-off in-app purchase. JAMMATES Lite asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Improvisation Trainer holds the better App Store score, 4.2 against 2.6. Both are backed by a comparable volume of ratings — 5 and 5 respectively. Written reviews point the same way: 64% of Improvisation Trainer's written reviews are positive against 13% of JAMMATES Lite's.

UpkeepUpdate frequency

Improvisation Trainer ships an update every 2 months, JAMMATES Lite every 10 days. The most recent releases landed on September 26, 2026 and October 4, 2026 respectively.

Scorecard6 real differences · 4 level
Improvisation Trainer versus JAMMATES Lite: the parameters behind the verdict, then further details
ParameterImprovisation TrainerJAMMATES Lite
PriceFreeFree
Rating4.2 (5 ratings) — better2.6 (5 ratings)
Positive reviews63.6% of reviews — better12.5% of reviews
Number of ratings55
Update frequencyEvery 2 monthsEvery 10 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.1 — better15.6
Further details — not scored
Size85 MB31 MB
Age rating4+4+
DeveloperAppicDesign(주)애드업

Customer experience

Improvisation Trainer

All ratings5 ratings
Positive80.0%
Neutral20.0%
Negative0.0%
Written reviews11 reviews
Positive63.6%
Neutral36.4%
Negative0.0%

JAMMATES Lite

All ratings5 ratings
Positive20.0%
Neutral20.0%
Negative60.0%
Written reviews8 reviews
Positive12.5%
Neutral12.5%
Negative75.0%

In-app purchases

1 purchases

Improvisation Trainer

One-time1
  • Full Version$4.99
None

JAMMATES Lite

No in-app purchases

Questions

Is Improvisation Trainer free?
Improvisation Trainer is free to download, with in-app purchases available.
Is JAMMATES Lite free?
JAMMATES Lite is free to download, with no in-app purchases.
Which has better reviews, Improvisation Trainer or JAMMATES Lite?
Improvisation Trainer is rated higher. Improvisation Trainer averages 4.2 out of 5 from 5 ratings, while JAMMATES Lite averages 2.6 from 5 ratings.
Do Improvisation Trainer or JAMMATES Lite have ads?
Neither Improvisation Trainer nor JAMMATES Lite shows ads.
Which is updated more often, Improvisation Trainer or JAMMATES Lite?
Improvisation Trainer ships an update every 2 months, and JAMMATES Lite every 10 days. Most recently, Improvisation Trainer was updated on September 26, 2026 and JAMMATES Lite on October 4, 2026.

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