# iImprov vs DroPilot Pentatonics

The clearest difference is price: DroPilot Pentatonics at Free against iImprov's $3.99. DroPilot Pentatonics also leads on update cadence (every 4 days vs every 32 months). iImprov's advantage is in-app purchases (none vs 1) and iOS requirement (8.0 vs 13.0). On ads and device support there is nothing between them.

DroPilot Pentatonics is free to download; iImprov costs $3.99 up front. DroPilot Pentatonics sells 1 one-off in-app purchase. iImprov asks for nothing beyond the download.

iImprov ships an update every 32 months, DroPilot Pentatonics every 4 days. The most recent releases landed on October 23, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | iImprov | DroPilot Pentatonics |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.9 (7 ratings)](https://appshunter.io/ios/app/iimprov-bebop/id572415820/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 32 months | **Every 4 days** |
| Monetization | Paid | — |
| Size | 19 MB | 69 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jazz Apps Mobile LLC](https://appshunter.io/developer/421582808) | [Pablo Niveiro](https://appshunter.io/developer/1895924412) |

## 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


### DroPilot Pentatonics

[App page](https://appshunter.io/ios/app/dropilot-pentatonics/id6791123426)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DroPilot Pentatonics Pro | $6.99 | one-time |


## Frequently asked questions

### Is iImprov free?

iImprov costs $3.99, with no in-app purchases.

### Is DroPilot Pentatonics free?

DroPilot Pentatonics is free to download, with in-app purchases available.

### Do iImprov or DroPilot Pentatonics have ads?

Neither iImprov nor DroPilot Pentatonics shows ads.

### Which is updated more often, iImprov or DroPilot Pentatonics?

iImprov ships an update every 32 months, and DroPilot Pentatonics every 4 days. Most recently, iImprov was updated on October 23, 2026 and DroPilot Pentatonics on October 5, 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.*