# HarmonicAlly vs SlideFree Companion

The clearest difference is price: HarmonicAlly at Free against SlideFree Companion's $9.99. HarmonicAlly also leads on in-app purchases (none vs 2). SlideFree Companion's advantage is update cadence (every 6 days vs fortnightly). On rating, review sentiment, ratings volume and ads there is nothing between them.

HarmonicAlly is free to download; SlideFree Companion costs $9.99 up front. SlideFree Companion sells 2 one-off in-app purchases. HarmonicAlly asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for HarmonicAlly against 5.0 for SlideFree Companion. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

HarmonicAlly ships an update fortnightly, SlideFree Companion every 6 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | HarmonicAlly | SlideFree Companion |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/harmonically/id6765767065/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/slidefree-companion/id6779490479/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 6 days** |
| Monetization | **Free** | Paid |
| Size | 38 MB | 13 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lee Oskar Enterprises](https://appshunter.io/developer/1892528047) | [Cedric Liautaud](https://appshunter.io/developer/6779490481) |

## What reviewers say

### HarmonicAlly

[App page](https://appshunter.io/ios/app/harmonically/id6765767065)

This app provides a comprehensive suite of tools for harmonica players, including chord and scale lookups, instrument key identification, and harmonica collection tracking. It also offers practical advice on playing and instrument care.

**Highlights:** Chord and scale lookup, Instrument key identification, Harmonica collection tracker, Customizable tuning options, Playing and care tips, Offline functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### SlideFree Companion

[App page](https://appshunter.io/ios/app/slidefree-companion/id6779490479)

This app visualizes chord and scale layouts for a specific chromatic harmonica model. It helps musicians quickly identify notes, practice scales, and understand chord voicings on their instrument. Designed for live performance and practice, it offers instant feedback and transposition.

**Highlights:** Chord and scale mapping for NONSLIDER harmonicas, Instant transposition by harp key, Built-in sequencer for audio playback, Adjustable playback speed and volume, Multi-language musical notation support, Optimized for landscape iPhone and iPad

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30-Day Trial | Free | one-time |
| Lifetime Access | $9.99 | one-time |


## Frequently asked questions

### Is HarmonicAlly free?

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

### Is SlideFree Companion free?

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

### Which has better reviews, HarmonicAlly or SlideFree Companion?

HarmonicAlly and SlideFree Companion are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do HarmonicAlly or SlideFree Companion have ads?

Neither HarmonicAlly nor SlideFree Companion shows ads.

### Which is updated more often, HarmonicAlly or SlideFree Companion?

HarmonicAlly ships an update fortnightly, and SlideFree Companion every 6 days. Most recently, HarmonicAlly was updated on October 24, 2026 and SlideFree Companion on October 24, 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.*