# iImprov vs pttrN for drummers

The clearest difference is rating: pttrN for drummers at 5.0 against iImprov's 3.0. pttrN for drummers also leads on update cadence (every 7 months vs every 28 months) and review sentiment (83% vs 68%). iImprov's advantage is price ($3.99 vs $4.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

iImprov costs $3.99 and pttrN for drummers $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

pttrN for drummers holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 68% of iImprov's written reviews are positive against 83% of pttrN for drummers's.

iImprov ships an update every 28 months, pttrN for drummers every 7 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | iImprov | pttrN for drummers |
| --- | --- | --- |
| Price | **$3.99** | $4.99 |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/iimprov-modal/id434112459/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pttrn-for-drummers/id1217383517/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 68.2% of reviews | **83.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 7 months** |
| Monetization | Paid | Paid |
| Size | 8 MB | 27 MB |
| Requires iOS | 15.6 | **12** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jazz Apps Mobile LLC](https://appshunter.io/developer/421582808) | [Didier Ottaviani](https://appshunter.io/developer/1068488429) |

## 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


### pttrN for drummers

[App page](https://appshunter.io/ios/app/pttrn-for-drummers/id1217383517)

This app generates and plays an infinite variety of one-bar drum grooves in various time signatures. Customize snare placement, note density, and add a virtual bass player for a complete rhythmic experience.

**Highlights:** Random pattern generation, Multiple time signatures (4/4, 3/4, 5/4, 12/8, 7/8), Customizable snare placement, Adjustable note density, Virtual bass player, Auto-change for continuous grooves

**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 pttrN for drummers free?

pttrN for drummers costs $4.99, with no in-app purchases.

### Which has better reviews, iImprov or pttrN for drummers?

pttrN for drummers is rated higher. iImprov averages 3.0 out of 5 from 2 ratings, while pttrN for drummers averages 5.0 from 1 ratings.

### Do iImprov or pttrN for drummers have ads?

Neither iImprov nor pttrN for drummers shows ads.

### Which is updated more often, iImprov or pttrN for drummers?

iImprov ships an update every 28 months, and pttrN for drummers every 7 months. Most recently, iImprov was updated on November 6, 2026 and pttrN for drummers on November 2, 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.*