---
title: "WorldScales — App Overview"
url: https://marlvel.ai/apps/net-kelfar-worldscales
category: Music
developer: Kelfar Technologies
platforms: ios
rating: 4.7 (20 ratings)
pricing: paid
report_level: overview
generated: 2026-04-27
last_verified: "2026-05-10T23:17:36.183Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** WorldScales is a high-precision tool for musicians requiring deep control over microtonal tuning and authentic non-Western musical scales.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Music |
| Rating | 4.7 ★ (20) |
| Pricing | paid |
| Platforms | iOS |
| Latest Version (iOS) | 1.1.2 |
| Developer | Kelfar Technologies |

<!-- SECTION: Summary -->
## What is WorldScales?

WorldScales is a specialized music application that enables users to move beyond equal-tempered tuning by providing tools to configure custom scales and microtonal intervals. It includes a built-in keyboard and high-quality audio samples, such as 'oud and kanun, to facilitate the study and performance of traditional music systems like Byzantine and Near Eastern maqam. The app is notable for its precise, cent-level tuning capabilities and authentic human-voice drone samples.

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

- **Customizable Tuning**: Allows users to tune each key in the octave individually with precision to the nearest cent.
- **Microtonal Support**: Enables the replication of intricate intervals found in Byzantine, Asian, and Middle Eastern musical scales.
- **Authentic Audio Samples**: Provides high-quality instrument samples and human-voice based 'ison' drone sounds for realistic accompaniment.
- **Preset Library**: Includes a variety of pre-configured scales and modes to assist users in exploring different global musical traditions.

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

Musicians, music educators, and students interested in microtonal music, world music traditions, and non-Western tuning systems.

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

- [App Store](https://apps.apple.com/us/app/worldscales/id505034913?uo=2)
- [Full Intelligence Report](https://marlvel.ai/apps/net-kelfar-worldscales)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/net-kelfar-worldscales).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*