# iImprov vs Breath Master

The clearest difference is review sentiment: iImprov at 100% against Breath Master's 0%. iImprov also leads on rating (4.9 vs 1.0) and ratings volume (7 vs 1). Breath Master's advantage is price ($0.99 vs $3.99). On update cadence, ads, in-app purchases and monetization model 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, 4.9 against 1.0. That said, the two scores are not equally well evidenced: iImprov has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of iImprov's written reviews are positive against 0% of Breath Master's.

iImprov ships an update every 32 months, Breath Master every 39 months. Both last shipped on October 29, 2026.

## The numbers

| Metric | iImprov | Breath Master |
| --- | --- | --- |
| Price | $3.99 | **$0.99** |
| Rating | **[4.9 (7 ratings)](https://appshunter.io/ios/app/iimprov-bebop/id572415820/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/breath-master/id895795145/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 32 months** | Every 39 months |
| Monetization | Paid | Paid |
| Size | 19 MB | 2 MB |
| Requires iOS | **8.0** | 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-bebop/id572415820)

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:** 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 4.9 out of 5 from 7 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 32 months, and Breath Master every 39 months. Most recently, iImprov was updated on October 29, 2026 and Breath Master on October 29, 2026.

---

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