---
title: "Auto Fills Drum Fill Generator — App Overview"
url: https://marlvel.ai/intel-report/music/auto-fills-drum-fill-generator
category: Music
developer: Cem Olcay
platforms: ios
rating: 4.5 (20 ratings)
pricing: paid
report_level: overview
generated: 2026-04-27
last_verified: "2026-04-27T11:20:08.838Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** Auto Fills is a specialized MIDI utility that fills a unique gap in the mobile music production market by automating the generation of drum fills.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Music |
| Rating | 4.5 ★ (20) |
| Pricing | paid |
| Platforms | iOS |
| Latest Version (iOS) | 1.8.1 |
| Developer | Cem Olcay |

<!-- SECTION: Summary -->
## What is Auto Fills Drum Fill Generator?

Auto Fills is an AUv3 MIDI generator designed to automate the creation of drum fills for drum synths and hardware synthesizers. It offers a unique workflow for producers by allowing granular control over probability, velocity, and timing to generate rhythmic variations within host apps like AUM and Logic Pro.

<!-- SECTION: Key Features -->
## Key Features

- **Kit Mode**: Allows users to assign MIDI notes and channels to drum parts or utilize pre-configured templates for specific hardware and software.
- **Probability and Velocity Control**: Enables users to set specific probability values and velocity variety for individual drum parts to create dynamic fills.
- **Duration Mode**: Provides settings to define fill length and specific waiting periods before or after the fill in beats or bars.
- **AUv3 Plugin Support**: Functions as an Audio Unit plugin compatible with major iOS hosts including AUM, Loopy Pro, and Cubasis.

<!-- SECTION: Target Audience -->
## Who is it for?

Music producers and electronic musicians using iOS-based DAW or host environments who require automated drum fill generation.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/auto-fills-drum-fill-generator/id6476319733?uo=4)
- [Full Intelligence Report](https://marlvel.ai/intel-report/music/auto-fills-drum-fill-generator)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/music/auto-fills-drum-fill-generator).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*