# Harmonizr vs NVTD

The clearest difference is price: NVTD at Free against Harmonizr's $4.99. NVTD also leads on rating (5.0 vs 4.2) and update cadence (daily vs every 4 months). Harmonizr's advantage is ratings volume (27 vs 2). On ads, in-app purchases and device support there is nothing between them.

NVTD is free to download; Harmonizr costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

NVTD holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Harmonizr has 27 ratings behind it against 2, so its average is the more settled of the two.

Harmonizr ships an update every 4 months, NVTD daily. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Harmonizr | NVTD |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.2 (27 ratings)](https://appshunter.io/ios/app/harmonizr/id1348742174/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/nvtd/id6772258773/reviews)** |
| Number of ratings | **27** | 2 |
| Positive reviews | 73.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Daily** |
| Monetization | Paid | **Free** |
| Size | 5 MB | 47 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Matthew Robbins](https://appshunter.io/developer/1348742173) | [Breach Inc.](https://appshunter.io/developer/6772258775) |

## What reviewers say

### Harmonizr

[App page](https://appshunter.io/ios/app/harmonizr/id1348742174)

This app allows users to create vocal harmonies by singing along to a melody. It synthesizes up to three harmony voices in the user's own voice and can be controlled via MIDI input or used as an extension in other music production apps.

**Highlights:** Automatic vocal harmony synthesis, Real-time key center selection, MIDI keyboard integration, On-screen MIDI keyboard, Audio Unit (AUV3) extension support, Control via MIDI controller apps

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

**In-app purchases:** none


### NVTD

[App page](https://appshunter.io/ios/app/nvtd/id6772258773)

Connect with other music industry professionals, discover collaborators, and find opportunities. This platform helps artists, producers, and writers manage projects, create split sheets, and access virtual management tools.

**Highlights:** Discover music collaborators by role, Post project needs on the Call Board, Create detailed artist profiles with intro videos, Virtual manager for opportunity matching, Live audio collaboration rooms, In-app messaging and video calls, Create split sheets for credits

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

**In-app purchases:** none


## Frequently asked questions

### Is Harmonizr free?

Harmonizr costs $4.99, with no in-app purchases.

### Is NVTD free?

NVTD is free to download, with no in-app purchases.

### Which has better reviews, Harmonizr or NVTD?

NVTD is rated higher. Harmonizr averages 4.2 out of 5 from 27 ratings, while NVTD averages 5.0 from 2 ratings.

### Do Harmonizr or NVTD have ads?

Neither Harmonizr nor NVTD shows ads.

### Which is updated more often, Harmonizr or NVTD?

Harmonizr ships an update every 4 months, and NVTD daily. Most recently, Harmonizr was updated on October 24, 2026 and NVTD on October 21, 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.*