# Pitch trainer vs Flat or Sharp

The clearest difference is rating: Flat or Sharp at 5.0 against Pitch trainer's 4.4. Flat or Sharp also leads on ads (none vs shown) and review sentiment (100% vs 68%). Pitch trainer's advantage is update cadence (every 4 days vs every 65 months) and ratings volume (415 vs 8). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Pitch trainer sells 7 one-off in-app purchases and Flat or Sharp sells 7 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Flat or Sharp holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Pitch trainer has 415 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 68% of Pitch trainer's written reviews are positive against 100% of Flat or Sharp's.

Pitch trainer ships an update every 4 days, Flat or Sharp every 65 months. The most recent releases landed on October 10, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Pitch trainer | Flat or Sharp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (415 ratings)](https://appshunter.io/ios/app/pitch-trainer-harmonize/id965614965/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/flat-or-sharp/id1522100449/reviews)** |
| Number of ratings | **415** | 8 |
| Positive reviews | 68.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 65 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 54 MB | 4 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Toshihiko Arai](https://appshunter.io/developer/415194231) | [Euphorophonics, LLC](https://appshunter.io/developer/1464810513) |

## What reviewers say

### Pitch trainer

[App page](https://appshunter.io/ios/app/pitch-trainer-harmonize/id965614965)

Develop perfect and relative pitch with this ear training app focused on just intonation. Learn to identify and match harmonic intervals by ear, moving beyond equal temperament. Ideal for musicians and singers seeking precise intonation.

**Highlights:** Just intonation ear training, Perfect and relative pitch development, Double-stop note learning, Harmonic interval matching, Beat-based tone adjustment

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy a coffee | $4.99 | one-time |
| Unlock Moon Stage | $4.99 | one-time |
| Unlock all Rhythm stages | $4.99 | one-time |
| Support generously | $9.99 | one-time |
| Unlock All PRO Features | $9.99 | one-time |
| Remove Ads | $9.99 | one-time |
| Support a lot | $29.99 | one-time |


### Flat or Sharp

[App page](https://appshunter.io/ios/app/flat-or-sharp/id1522100449)

This app helps you improve your musical ear by training you to identify flat or sharp intonation in musical intervals. It offers customizable difficulty levels, various interval types, and detailed progress tracking to guide your learning journey.

**Highlights:** Identify flat/sharp intonation, All musical intervals included, Customizable difficulty levels, Melodic and harmonic intervals, Progress tracking and streaks, Practice suggestions and tips

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flat or Sharp Premium (Monthly) | $2.99 | per month |
| Flat or Sharp Premium (Annual) | $14.99 | per year |
| Both Interval Directions | $0.99 | one-time |
| Remove Banner Ad | $0.99 | one-time |
| All Duration Options | $1.99 | one-time |
| All Accuracy Options | $2.99 | one-time |
| BUNDLE - All Premium Options | $4.99 | one-time |


## Frequently asked questions

### Is Pitch trainer free?

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

### Is Flat or Sharp free?

Flat or Sharp is free to download, with in-app purchases available.

### Which has better reviews, Pitch trainer or Flat or Sharp?

Flat or Sharp is rated higher. Pitch trainer averages 4.4 out of 5 from 415 ratings, while Flat or Sharp averages 5.0 from 8 ratings.

### Do Pitch trainer or Flat or Sharp have ads?

Pitch trainer shows ads; Flat or Sharp does not.

### Which is updated more often, Pitch trainer or Flat or Sharp?

Pitch trainer ships an update every 4 days, and Flat or Sharp every 65 months. Most recently, Pitch trainer was updated on October 10, 2026 and Flat or Sharp on October 2, 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.*