# Nabla Pro Voice Leading — Harmonize upto 10 times faster

> Automated voice leading tool for faster music composition and harmonization. (iPhone/iPad app by Miguel Santiago.)

- Source: https://appshunter.io/ios/app/nabla-pro-voice-leading/id1368047492 (this page in markdown: same URL + `.md`)
- Developer: [Miguel Santiago](https://appshunter.io/developer/1540269122)
- Category: Music, Utilities
- Price: Free with in-app purchases
- Rating: 2.50/5 from 2 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 10.3 · 53 MB
- Languages: American English, European Spanish
- Released: 2018-04-22
- Data updated: 2026-06-10
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/nabla-pro-voice-leading/id1368047492/reviews.md

## What is Nabla Pro Voice Leading?

Forget about spending long hours calculating the best voice leading for your compositions. Nabla Pro Voice Leading automatically finds the best link so you can harmonize up to 10 times faster than normal.

How does it work? It’s simple:

1. Select the bar you want to work on.
2. Pick the chord and add it to the staff.
3. Introduce the whole chord progression of your piece.
4. That’s it! Your piece with the best possible voice leading is ready to be exported in musicXML or MIDI.

Is it really that easy?

Yes! Thanks to Nabla Pro Voice Leading's innovative system, you can instantly get the best leading for each voice up to 10 times faster than the old fashioned way.

What can I do with Nabla Pro Voice Leading?

- Create arrangements faster than ever
- Learn the ins and outs of voice leading
- Quickly and clearly show your students the best leading for each voice in a piece. 
- Finish your classroom exercises quicker than ever.

Your time is valuable! Download the Nabla Pro Voice Leading app now and take your compositions to the next level.

Like Nabla Pro Voice Leading? Do not forget to give us 5 stars!

The Nabla Team:
Isaac del Pozo: Mathematician/Musician 
Miguel Santiago: Software Engineer 
Marcos Sorribas: Software Engineer

## Key features

- Automated voice leading calculation
- Harmonize up to 10x faster
- Chord and progression input
- MusicXML and MIDI export
- Faster arrangement creation
- Educational tool for voice leading

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Nabla pro | $8.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/nabla-pro-voice-leading/id1368047492/reviews.md

### 3/5 — Does pretty much what is says

*2020-09-13*

Easy to use, generates quick voice-leading chords. Downside is lack of chord extensions past 7/7/half dim or dim. Also can’t print.

## Frequently asked questions about Nabla Pro Voice Leading

### How does Nabla Pro Voice Leading speed up composition?

Nabla Pro Voice Leading automatically calculates the best voice leading for your chords and progressions. This eliminates the manual, time-consuming process, allowing you to harmonize up to 10 times faster than traditional methods.

### What music formats can Nabla Pro Voice Leading export to?

The app allows you to export your harmonized compositions in MusicXML and MIDI formats. This ensures compatibility with a wide range of music software and digital audio workstations.

### Is Nabla Pro Voice Leading suitable for beginners?

Yes, Nabla Pro Voice Leading is designed to help users learn the principles of voice leading. It clearly demonstrates the best leading for each voice, making it a valuable educational tool for students and educators alike.

### What devices does Nabla Pro Voice Leading support?

Nabla Pro Voice Leading is available for iPhone and iPod devices. It is designed to be accessible on these popular mobile platforms.

### How often is Nabla Pro Voice Leading updated?

The latest version, 2.1.1, was released on April 15, 2019. While the app has not been updated recently, its core functionality for voice leading remains available.

### What is the user feedback on Nabla Pro Voice Leading?

Based on the provided data, Nabla Pro Voice Leading has a rating of 2.5 stars from 2 ratings. This suggests mixed user sentiment regarding its performance or features.

### Does Nabla Pro Voice Leading have ads?

No, Nabla Pro Voice Leading does not contain advertisements. The app is free to download and use, with potential in-app purchases.

### What is the age rating for Nabla Pro Voice Leading?

Nabla Pro Voice Leading has an age rating of 4+. This indicates it is suitable for users of all ages, with no mature content concerns.

## Version history (last 5 releases)

### 2.1.1 — 2019-04-15

We are happy with all the feedback received about our last version including 4 voices leading. Thank you very much! This version includes tons of bug fixing and stability improvements. Hope you like it!

### 2.1 — 2019-04-01

We are glad to introduce: Nabla PRO voice leading in 4 voices!!! 

This version includes a lot of changes that we are happy to announce: 
- Compositions can be created in either 3 voices or 4 voices. 
- Download the app is free for new users but there is an in-app purchase if you want to create more than one composition or export your existing composition in MusicXML or MIDI. 
- Improved exportation settings in MusicXML and MIDI
- Bugfixes

### 1.0.3 — 2018-11-12

Hello, my English friends! My name is nabla and I'm here to help you to harmonize up to 10 times faster.
Like Nabla Pro Voice Leading? Do not forget to give us 5 stars!
Very very Soon Nabla Pro Voice Leading will be available for 4 voices. Stay tuned!

### 1.0.2 — 2018-04-19

Hello, my English friends! My name is nabla and I'm here to help you to harmonize up to 10 times faster.

Like Nabla Pro Voice Leading? Do not forget to give us 5 stars!
Soon Nabla Pro Voice Leading will be available for 4 voices. Stay tuned!

### 1.0.1 — 2018-04-16

No release notes.

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## Related topics

[nabla pro voice leading](https://appshunter.io/ios/topics/nabla-pro-voice-leading) · [nabla](https://appshunter.io/ios/topics/nabla)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*