Comparison

iImprov vs Breath Master

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

Head to head
About

iImprov

This app helps jazz musicians of all levels master modal improvisation. It offers detailed explanations of theory, scale relationships, and practical exercises with audio and JAM-A-longs in various keys and styles. Tailored for modal tunes, it covers minor modal, 7 sus 4, and Major 7#4 progressions.

Highlights
  • Modal improvisation theory
  • Scale and chord relation explanations
  • Pentatonic scale usage
  • Audio and visual scale examples
  • Interactive JAM-A-longs
  • Adjustable tempo and instrument balance
  • Transposition selection
Features
Read full description

iImprov-Modal is the 2nd release from Jazz Apps Mobile LLC. It is part of a series created for jazz musicians of all levels to help them take on specific challenges that any improvising musician will encounter. Each one contains a full explanation of all the concepts and theory involved as well as written and audio examples and exercises. Each app contains JAM-A-longs in all keys with adjustable tempo and control of instrument balance. Each iImprov app also allows you to select the correct transposition for your instrument. iImprov-Modal specifically provides the tools for confidently playing over modal tunes. The main focus of the app is playing over minor modal tunes, however we have also covered playing over 7 sus 4 modal tunes and Major 7#4 tunes. Exercises and JAM-A-longs specific to each of these types of tunes are included. Features- Full explanation of the concepts involved. Detailed theory of note to chord relations and use of modal scales. Detailed theory of how to use pentatonic scales, including how to play “outside.” Audio and visual representation of the related scales. Audio playback of the scales played over the appropriate chords. Exercises that include live audio examples from saxophonist Tony Bray. JAM-A-longs for Minor Modal (Swing and Funk). JAM-A-longs for 7 sus 4. JAM-A-longs for Major 7#4. Each JAM-A-long was recorded individually in order to give variation for each key. Mixer control for the JAM-A-Long instruments. Tempo control for each JAM-A-long. Unlimited JAM-A-long loop length.

About

Breath Master

This app helps wind and brass musicians train and improve their breathing and intonation. Players aim to hold a single note with stable pitch and steady intensity for as long as possible to increase their score.

Highlights
  • Breathing training for wind/brass players
  • Intonation improvement
  • Pitch and volume control
  • Score-based gameplay
  • Stable pitch and intensity training
Features
Read full description

With BreathMaster all wind and brass players can train, control and improve their breathing and intonation. Target of the game is to play a single note with stable pitch and steady intensity as long as possible. Pitch and volume control a cross-hair on a target board, keeping the arrow in the center increases the game score.

Screenshots

iImprov4 screens
Breath Master4 screens

Verdict

The call

The clearest difference is review sentiment: iImprov at 71% against Breath Master's 0%. iImprov also leads on rating (3.0 vs 1.0). Breath Master's advantage is price ($0.99 vs $3.99). On ratings volume, update cadence, ads and in-app purchases 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 Breath Master $0.99 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, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 71% of iImprov's written reviews are positive against 0% of Breath Master's.

UpkeepUpdate frequency

iImprov ships an update every 28 months, Breath Master every 39 months. The most recent releases landed on October 20, 2026 and October 21, 2026 respectively.

Scorecard3 real differences · 7 level
iImprov versus Breath Master: the parameters behind the verdict, then further details
ParameteriImprovBreath Master
Price$3.99$0.99 — better
Rating3.0 (2 ratings) — better1.0 (1 ratings)
Positive reviews71.4% of reviews — better0.0% of reviews
Number of ratings2 — better1
Update frequencyEvery 28 months — betterEvery 39 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size8 MB2 MB
Age rating4+4+
DeveloperJazz Apps Mobile LLCKilian IT-Consulting

Customer experience

iImprov

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews21 reviews
Positive71.4%
Neutral4.8%
Negative23.8%

Breath Master

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

iImprov

No in-app purchases

None

Breath Master

No in-app purchases

Questions

Is iImprov free?
iImprov costs $3.99, with no in-app purchases.
Is Breath Master free?
Breath Master costs $0.99, with no in-app purchases.
Which has better reviews, iImprov or Breath Master?
iImprov is rated higher. iImprov averages 3.0 out of 5 from 2 ratings, while Breath Master averages 1.0 from 1 ratings.
Do iImprov or Breath Master have ads?
Neither iImprov nor Breath Master shows ads.
Which is updated more often, iImprov or Breath Master?
iImprov ships an update every 28 months, and Breath Master every 39 months. Most recently, iImprov was updated on October 20, 2026 and Breath Master on October 21, 2026.

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