# Pitch trainer vs Solo Harmony

The clearest difference is review sentiment: Pitch trainer at 68% against Solo Harmony's 20%. Pitch trainer also leads on price (Free vs $0.99) and update cadence (every 4 days vs every 7 months). Solo Harmony's advantage is in-app purchases (none vs 7) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Pitch trainer is free to download; Solo Harmony costs $0.99 up front. Pitch trainer sells 7 one-off in-app purchases. Solo Harmony asks for nothing beyond the download.

Pitch trainer holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: Pitch trainer has 415 ratings behind it against 3, 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 20% of Solo Harmony's.

Pitch trainer ships an update every 4 days, Solo Harmony every 7 months. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Pitch trainer | Solo Harmony |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.4 (415 ratings)](https://appshunter.io/ios/app/pitch-trainer-harmonize/id965614965/reviews)** | [4.0 (3 ratings)](https://appshunter.io/ios/app/solo-harmony/id6446134271/reviews) |
| Number of ratings | **415** | 3 |
| Positive reviews | **68.3% of reviews** | 20.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 7 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 54 MB | 1 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Toshihiko Arai](https://appshunter.io/developer/415194231) | [Masanori Katsuta](https://appshunter.io/developer/320172788) |

## 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 |


### Solo Harmony

[App page](https://appshunter.io/ios/app/solo-harmony/id6446134271)

This app synthesizes harmony parts with your solo singing in real-time. Mix up to five harmony parts using an ad-lib keyboard and adjust pitch for chorus effects. Record and playback synthesized sounds, or use it for karaoke practice.

**Highlights:** Ad-lib Harmony Mix engine, Real-time multi-part mixing, Subtle pitch shift for chorus effect, Recording and playback, Input from microphone, files, and other apps, Karaoke practice mode

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

**In-app purchases:** none


## Frequently asked questions

### Is Pitch trainer free?

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

### Is Solo Harmony free?

Solo Harmony costs $0.99, with no in-app purchases.

### Which has better reviews, Pitch trainer or Solo Harmony?

Pitch trainer is rated higher. Pitch trainer averages 4.4 out of 5 from 415 ratings, while Solo Harmony averages 4.0 from 3 ratings.

### Do Pitch trainer or Solo Harmony have ads?

Pitch trainer shows ads; Solo Harmony does not.

### Which is updated more often, Pitch trainer or Solo Harmony?

Pitch trainer ships an update every 4 days, and Solo Harmony every 7 months. Most recently, Pitch trainer was updated on October 14, 2026 and Solo Harmony on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*