# Intervals Pro vs Arpeggio Forge

The clearest difference is price: Arpeggio Forge at Free against Intervals Pro's $1.99. Arpeggio Forge also leads on update cadence (every 2 days vs every 9 days). Intervals Pro's advantage is in-app purchases (none vs 1) and ads (none vs shown).

Arpeggio Forge is free to download; Intervals Pro costs $1.99 up front. Arpeggio Forge sells 1 one-off in-app purchase. Intervals Pro asks for nothing beyond the download.

Intervals Pro ships an update every 9 days, Arpeggio Forge every 2 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Intervals Pro | Arpeggio Forge |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[2.0 (4 ratings)](https://appshunter.io/ios/app/intervals-pro-ear-training/id1596641137/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 days | **Every 2 days** |
| Monetization | Paid | — |
| Size | 26 MB | 11 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dmitry Zaika](https://appshunter.io/developer/1326165516) | [Hiroto Kashima](https://appshunter.io/developer/6789820790) |

## What reviewers say

### Intervals Pro

[App page](https://appshunter.io/ios/app/intervals-pro-ear-training/id1596641137)

Develop your musical ear with this app, offering exercises for intervals and solfege. Practice with various instruments like piano, guitar, bass, violin, and cello. Customize difficulty, intervals, and octaves for focused learning.

**Highlights:** Interval training, Solfege exercises, Multiple instrument options, Customizable difficulty, Octave and note adjustment, Ad-free learning environment

**In-app purchases:** none


### Arpeggio Forge

[App page](https://appshunter.io/ios/app/arpeggio-forge/id6789820788)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Upgrade | $3.99 | one-time |


## Frequently asked questions

### Is Intervals Pro free?

Intervals Pro costs $1.99, with no in-app purchases.

### Is Arpeggio Forge free?

Arpeggio Forge is free to download, with in-app purchases available.

### Do Intervals Pro or Arpeggio Forge have ads?

Arpeggio Forge shows ads; Intervals Pro does not.

### Which is updated more often, Intervals Pro or Arpeggio Forge?

Intervals Pro ships an update every 9 days, and Arpeggio Forge every 2 days. Most recently, Intervals Pro was updated on October 24, 2026 and Arpeggio Forge 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.*