# Sonic Logic vs HarmonyWiz

The clearest difference is in-app purchases: Sonic Logic at none against HarmonyWiz's 5. Sonic Logic also leads on update cadence (every 4 weeks vs every 3 months) and ratings volume (17 vs 4). HarmonyWiz's advantage is device support (3 vs 1) and iOS requirement (9.2 vs 15.0). On price, rating, review sentiment and ads there is nothing between them.

Sonic Logic costs $9.99 and HarmonyWiz $9.99 up front. HarmonyWiz sells 5 one-off in-app purchases. Sonic Logic asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for Sonic Logic against 4.5 for HarmonyWiz. Both are backed by a comparable volume of ratings — 17 and 4 respectively. Written reviews are what separate them: 73% of Sonic Logic's written reviews are positive against 69% of HarmonyWiz's.

Sonic Logic ships an update every 4 weeks, HarmonyWiz every 3 months. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Sonic Logic | HarmonyWiz |
| --- | --- | --- |
| Price | $9.99 | $9.99 |
| Rating | [4.5 (17 ratings)](https://appshunter.io/ios/app/sonic-logic/id573446786/reviews) | [4.5 (4 ratings)](https://appshunter.io/ios/app/harmonywiz/id629564112/reviews) |
| Number of ratings | **17** | 4 |
| Positive reviews | **72.7% of reviews** | 69.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 3 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 27 MB | 137 MB |
| Requires iOS | 15.0 | **9.2** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Uri Nachmias](https://appshunter.io/developer/316332139) | [Wizdom Music LLC](https://appshunter.io/developer/377345351) |

## What reviewers say

### Sonic Logic

[App page](https://appshunter.io/ios/app/sonic-logic/id573446786)

Create and edit custom MIDI controllers on your iPad. Connect to DAWs and other music apps via WiFi, Bluetooth, USB, or MIDI cable. Offers a user-friendly interface for assigning controls and manipulating MIDI notes live.

**Highlights:** Modular MIDI controller creation, Edit and control MIDI setups, Connect via WiFi, Bluetooth, USB, MIDI cable, Control DAWs and other iOS apps, Create and edit on iPad with touch gestures, Add buttons, knobs, sliders, XY pads, Multi-screen setups (up to 8 screens)

**Features:** Vision Pro support

**In-app purchases:** none


### HarmonyWiz

[App page](https://appshunter.io/ios/app/harmonywiz/id629564112)

This app generates multi-part harmony from a single musical line, offering harmonic analysis and figured bass notation. It includes editing tools, preset sound ensembles, and supports various harmonic styles. It's suitable for all ages, from beginners to professionals.

**Highlights:** Multi-part harmony generation, Harmonic analysis and figured bass, Expert editing tools, Multiple harmonic styles, Built-in and MIDI keyboards, SoundCloud sharing

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Synth pack 1 | $0.99 | one-time |
| Guitar pack | $0.99 | one-time |
| Synth pack 2 | $0.99 | one-time |
| Wizdom acoustic 1 | $0.99 | one-time |
| Wizdom acoustic 2 | $0.99 | one-time |


## Frequently asked questions

### Is Sonic Logic free?

Sonic Logic costs $9.99, with no in-app purchases.

### Is HarmonyWiz free?

HarmonyWiz costs $9.99, and also offers in-app purchases.

### Which has better reviews, Sonic Logic or HarmonyWiz?

Sonic Logic and HarmonyWiz are both rated 4.5 out of 5 on the App Store, from 17 and 4 ratings respectively.

### Do Sonic Logic or HarmonyWiz have ads?

Neither Sonic Logic nor HarmonyWiz shows ads.

### Which is updated more often, Sonic Logic or HarmonyWiz?

Sonic Logic ships an update every 4 weeks, and HarmonyWiz every 3 months. Most recently, Sonic Logic was updated on October 17, 2026 and HarmonyWiz on October 15, 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.*