# Pitch Trainer vs GNOS·AI

The clearest difference is in-app purchases: GNOS·AI at none against Pitch Trainer's 10. Pitch Trainer's advantage is chart position (#81 vs unranked) and update cadence (every 5 days vs every 11 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Pitch Trainer sells 10 in-app purchases, starting at $2.99 per 7 days. GNOS·AI asks for nothing beyond the download.

Pitch Trainer ships an update every 5 days, GNOS·AI every 11 days. The most recent releases landed on November 7, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Pitch Trainer | GNOS·AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (525 ratings)](https://appshunter.io/ios/app/pitch-trainer-ear-training/id6758199236/reviews)** | — |
| Number of ratings | **525** | — |
| Positive reviews | 28.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 11 days |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#81** | — |
| Size | 84 MB | 96 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Ear & Pitch Training Studios LLC](https://appshunter.io/developer/6786443701) | [CISUMVERSE TECHNOLOGY LIMITED](https://appshunter.io/developer/1846771690) |

## What reviewers say

### Pitch Trainer

[App page](https://appshunter.io/ios/app/pitch-trainer-ear-training/id6758199236)

**Currently charting:** #81 Top Grossing · Music, #158 Top Free · Music (US App Store)

Develop your musical ear with structured lessons and custom drills. Identify notes, intervals, chords, progressions, and scales with confidence. Tailor your practice to your learning style and musical goals.

**Highlights:** Note recognition, Interval training, Chord quality identification, Chord progression following, Scale detection, Customizable practice drills, Multiple instrument sounds

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pitch Trainer Subscription Weekly | $2.99 | per 7 days |
| Weekly Subscription | $4.99 | per 7 days |
| Pitch Trainer Weekly Access | $7.99 | per 7 days |
| Pitch Trainer Monthly | $8.99 | per month |
| Pitch Trainer Annual Offer | $14.99 | per year |
| Pitch Trainer Annual Offer | $24.99 | per year |
| Pitch Trainer Subscription Annual | $29.99 | per year |
| Annual Subscription | $39.99 | per year |
| Pitch Trainer Annual Access | $49.99 | per year |
| Pitch Trainer Annual Subscription | $59.99 | per year |


### GNOS·AI

[App page](https://appshunter.io/ios/app/gnosai/id6769667631)

**In-app purchases:** none


## Frequently asked questions

### Is Pitch Trainer free?

Pitch Trainer is free to download, with in-app purchases available.

### Is GNOS·AI free?

GNOS·AI is free to download, with no in-app purchases.

### Do Pitch Trainer or GNOS·AI have ads?

Neither Pitch Trainer nor GNOS·AI shows ads.

### Which is updated more often, Pitch Trainer or GNOS·AI?

Pitch Trainer ships an update every 5 days, and GNOS·AI every 11 days. Most recently, Pitch Trainer was updated on November 7, 2026 and GNOS·AI on October 28, 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.*