# iBone vs Harmony Cloud Pro

The clearest difference is price: Harmony Cloud Pro at Free against iBone's $2.99. Harmony Cloud Pro also leads on update cadence (weekly vs every 4 months) and rating (5.0 vs 4.7). On review sentiment, ads, in-app purchases and monetization model there is nothing between them.

Harmony Cloud Pro is free to download; iBone costs $2.99 up front. iBone sells 7 one-off in-app purchases and Harmony Cloud Pro sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Harmony Cloud Pro holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 21 and 69 respectively. Written reviews point the same way: 84% of iBone's written reviews are positive against 87% of Harmony Cloud Pro's.

iBone ships an update every 4 months, Harmony Cloud Pro weekly. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | iBone | Harmony Cloud Pro |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.7 (21 ratings)](https://appshunter.io/ios/app/ibone-the-pocket-trombone/id306629300/reviews) | **[5.0 (69 ratings)](https://appshunter.io/ios/app/harmony-cloud-pro/id6748590924/reviews)** |
| Number of ratings | 21 | **69** |
| Positive reviews | 84.2% of reviews | **86.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 18 MB | 194 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Spoonjack, LLC](https://appshunter.io/developer/306629303) | [The Melodic Progression Institute LLC](https://appshunter.io/developer/1054588451) |

## What reviewers say

### iBone

[App page](https://appshunter.io/ios/app/ibone-the-pocket-trombone/id306629300)

This app offers a virtual trombone experience, allowing users to play melodies by touching or blowing into their device and sliding to change pitch. It includes a songbook with guided play-along options and the ability to practice scales and songs.

**Highlights:** Virtual trombone instrument, Touch and blow to play, Slide to change pitch, Adjust volume with bell movement, Practice scales and songs, Play-along with iPod music, Guided learning with roboBone

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Jesu with Dreidel Song Pack | $0.99 | one-time |
| First Noel at Midnight Song Pack | $0.99 | one-time |
| O, O Song Pack | $0.99 | one-time |
| Hark, Joy! Song Pack | $0.99 | one-time |
| Bells and Rest Song Pack | $0.99 | one-time |
| Sloop and Sorrow Song Pack | $0.99 | one-time |
| House of the Rising Sun and John Barleycorn Song Pack | $0.99 | one-time |

**What reviewers like**

- 👍 Accurate sound and simulation
- 👍 Great for learning trombone
- 👍 Fun and entertaining
- 👍 Realistic slide action
- 👍 Good for practicing improvisation

**What reviewers complain about**

- 🐛 Some users experience crashes
- 🐛 App sometimes doesn't work
- 🐛 Sound issues (silent app)
- 🐛 Limited note range (lower/higher)
- 🐛 Tone quality not always realistic

**Reported bugs**

- App crashes in settings
- App crashes on Verizon iPhones
- App disables microphone
- App randomly deletes itself
- Sound doesn't work (silent app)

**Requested features**

- Add more types of trombones (Bass, Valve, Alto, Soprano, Piccolo)
- Add more songs to the songbook
- Ability to input custom notes for playback
- Integrate with music apps for playback
- Add iTunes music control within the app


### Harmony Cloud Pro

[App page](https://appshunter.io/ios/app/harmony-cloud-pro/id6748590924)

This app helps musicians of all levels develop their ear for harmony and improvisation. It generates endless, unpredictable chord progressions based on user-selected chords, allowing for personalized learning and exploration of musical concepts.

**Highlights:** Ear training for musicians, Improvisation exploration, Generates unpredictable chord progressions, Customizable tempo, volume, and key, Tailorable to all skill levels, Patented harmonic algorithm

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.99 | per month |
| Annual | $59.99 | per year |


## Frequently asked questions

### Is iBone free?

iBone costs $2.99, and also offers in-app purchases.

### Is Harmony Cloud Pro free?

Harmony Cloud Pro is free to download, with in-app purchases available.

### Which has better reviews, iBone or Harmony Cloud Pro?

Harmony Cloud Pro is rated higher. iBone averages 4.7 out of 5 from 21 ratings, while Harmony Cloud Pro averages 5.0 from 69 ratings.

### Do iBone or Harmony Cloud Pro have ads?

Neither iBone nor Harmony Cloud Pro shows ads.

### Which is updated more often, iBone or Harmony Cloud Pro?

iBone ships an update every 4 months, and Harmony Cloud Pro weekly. Most recently, iBone was updated on October 29, 2026 and Harmony Cloud Pro on October 25, 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.*