# Resonator Audio Unit vs Track Notes

The clearest difference is update cadence: Track Notes at every 3 weeks against Resonator Audio Unit's every 38 months. Track Notes also leads on price ($1.99 vs $2.99). Resonator Audio Unit's advantage is device support (3 vs 1) and iOS requirement (10 vs 18.0). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Resonator Audio Unit costs $2.99 and Track Notes $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Resonator Audio Unit against 5.0 for Track Notes. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

Resonator Audio Unit ships an update every 38 months, Track Notes every 3 weeks. The most recent releases landed on October 7, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Resonator Audio Unit | Track Notes |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/resonator-audio-unit/id1225597875/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/track-notes-music-annotation/id6748657065/reviews) |
| Number of ratings | 3 | 3 |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 10 MB | 27 MB |
| Requires iOS | **10** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Aleksandar Mlazev](https://appshunter.io/developer/1093798140) | [birnimal APP](https://appshunter.io/developer/344487405) |

## What reviewers say

### Resonator Audio Unit

[App page](https://appshunter.io/ios/app/resonator-audio-unit/id1225597875)

This audio effect plugin generates natural resonances to add warmth and fullness to instruments or recordings. It offers controls for acoustic body characteristics and includes an additional reverb effect for standalone use. The app utilizes unique, realistic algorithms for its sound shaping capabilities.

**Highlights:** Natural sounding resonances, Acoustic body thickness and size control, Resonance amount control, Additional reverb effect, Standalone app mode with Efx on/off

**Features:** Vision Pro support

**In-app purchases:** none


### Track Notes

[App page](https://appshunter.io/ios/app/track-notes-music-annotation/id6748657065)

This app lets you create and save notes tied to specific moments in songs from your music library. Document your thoughts, analyze reference tracks, or capture musical inspirations to enhance your listening experience.

**Highlights:** Create notes tied to playback positions, Save multiple notes per song, Search and sort notes, Toggle light and dark themes, Integrates with Apple Music

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Resonator Audio Unit free?

Resonator Audio Unit costs $2.99, with no in-app purchases.

### Is Track Notes free?

Track Notes costs $1.99, with no in-app purchases.

### Which has better reviews, Resonator Audio Unit or Track Notes?

Resonator Audio Unit and Track Notes are both rated 5.0 out of 5 on the App Store, from 3 and 3 ratings respectively.

### Do Resonator Audio Unit or Track Notes have ads?

Neither Resonator Audio Unit nor Track Notes shows ads.

### Which is updated more often, Resonator Audio Unit or Track Notes?

Resonator Audio Unit ships an update every 38 months, and Track Notes every 3 weeks. Most recently, Resonator Audio Unit was updated on October 7, 2026 and Track Notes on October 28, 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.*