# iImprov vs Breath Master

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.

iImprov costs $3.99 and Breath Master $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

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.

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.

## The numbers

| Metric | iImprov | Breath Master |
| --- | --- | --- |
| Price | $3.99 | **$0.99** |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/iimprov-modal/id434112459/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/breath-master/id895795145/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | **71.4% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 28 months** | Every 39 months |
| Monetization | Paid | Paid |
| Size | 8 MB | 2 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jazz Apps Mobile LLC](https://appshunter.io/developer/421582808) | [Kilian IT-Consulting](https://appshunter.io/developer/541679965) |

## What reviewers say

### iImprov

[App page](https://appshunter.io/ios/app/iimprov-modal/id434112459)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Breath Master

[App page](https://appshunter.io/ios/app/breath-master/id895795145)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*