# iHarmony vs Osculatrix

The clearest difference is price: Osculatrix at Free against iHarmony's $0.99. Osculatrix also leads on review sentiment (100% vs 77%) and iOS requirement (15.0 vs 26.0). On rating, ratings volume, update cadence and ads there is nothing between them.

Osculatrix is free to download; iHarmony costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Osculatrix holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 12 and 7 respectively. Written reviews point the same way: 77% of iHarmony's written reviews are positive against 100% of Osculatrix's.

iHarmony ships an update every 5 weeks, Osculatrix monthly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iHarmony | Osculatrix |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.8 (12 ratings)](https://appshunter.io/ios/app/iharmony/id292413210/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/osculatrix/id1046389107/reviews)** |
| Number of ratings | **12** | 7 |
| Positive reviews | 77.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 5 MB | 2 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alberto De Bortoli](https://appshunter.io/developer/292413213) | [Matthew Caldwell](https://appshunter.io/developer/993500585) |

## What reviewers say

### iHarmony

[App page](https://appshunter.io/ios/app/iharmony/id292413210)

This app provides musicians with instant access to a comprehensive music theory reference. It includes scales, chords, harmonizations, and notes with audio playback and support for multiple notation systems. It's designed for songwriting, studying, and quick reference.

**Highlights:** 1500+ scales, chords, and harmonizations, Chord harmonizations for every scale, Audio playback for every entry, Four notation systems (English, Italian, German, French), Full-text search, Offline functionality

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

**In-app purchases:** none

**What reviewers like**

- 👍 Quick and easy to use
- 🎶 Great for learning scales and chords
- 💡 Useful for songwriting and composition
- 🎵 Provides audio playback of scales/chords
- 📚 Comprehensive music theory reference

**What reviewers complain about**

- ❌ Audio issues (no sound, distorted sound)
- 🎛️ Some incorrect notation/spelling
- 🎨 Outdated UI/design
- ❓ Confusing navigation/layout
- 🔊 Sound not matching notes

**Reported bugs**

- Audio not working on iPhone
- Database null error
- Speaker distortion at high volume
- Playback sounds stilted/uneven
- Info link works irregularly or doesn't appear

**Requested features**

- Save favorite scales
- Add more exotic scales
- Allow harmonic playback (all notes simultaneously)
- Provide other theory features (harmonic substitutions, polychords, inversions)
- Add a search function for chords/scales


### Osculatrix

[App page](https://appshunter.io/ios/app/osculatrix/id1046389107)

This audio effect plugin offers modulated filters, delays, and saturation for creative sound design. It can transform audio from subtle coloration to complete destruction. Use it within your favorite music production apps.

**Highlights:** Modulated filters, Delay effects, Saturation, AUv3 plugin, Subtle coloration to destruction

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iHarmony free?

iHarmony costs $0.99, with no in-app purchases.

### Is Osculatrix free?

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

### Which has better reviews, iHarmony or Osculatrix?

Osculatrix is rated higher. iHarmony averages 4.8 out of 5 from 12 ratings, while Osculatrix averages 5.0 from 7 ratings.

### Do iHarmony or Osculatrix have ads?

Neither iHarmony nor Osculatrix shows ads.

### Which is updated more often, iHarmony or Osculatrix?

iHarmony ships an update every 5 weeks, and Osculatrix monthly. Most recently, iHarmony was updated on October 29, 2026 and Osculatrix 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.*