# Perfect Pitch. vs Know Notes

The clearest difference is price: Know Notes at Free against Perfect Pitch.'s $0.99. Know Notes also leads on rating (4.9 vs 4.0) and update cadence (fortnightly vs every 5 months). Perfect Pitch.'s advantage is in-app purchases (none vs 6) and chart position (#71 vs unranked). On ads there is nothing between them.

Know Notes is free to download; Perfect Pitch. costs $0.99 up front. Know Notes sells 6 one-off in-app purchases. Perfect Pitch. asks for nothing beyond the download.

Know Notes holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: Know Notes has 31 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 83% of Perfect Pitch.'s written reviews are positive against 96% of Know Notes's.

Perfect Pitch. ships an update every 5 months, Know Notes fortnightly. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Perfect Pitch. | Know Notes |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/perfect-pitch/id1360803347/reviews) | **[4.9 (31 ratings)](https://appshunter.io/ios/app/know-notes-learn-music/id1536356966/reviews)** |
| Number of ratings | 1 | **31** |
| Positive reviews | 83.3% of reviews | **95.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#71** | — |
| Size | 14 MB | 107 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pavel Aristov](https://appshunter.io/developer/637376065) | [wylan neely](https://appshunter.io/developer/1261508202) |

## What reviewers say

### Perfect Pitch.

[App page](https://appshunter.io/ios/app/perfect-pitch/id1360803347)

**Currently charting:** #71 Top Paid · Music, #94 Top Paid · Trivia (US App Store)

Train your ear to recognize musical notes and potentially develop perfect pitch. This game offers practice exercises to improve your ability to identify pitches by sound alone.

**Highlights:** Note recognition practice, Perfect pitch training, Ear training exercises, Music education game

**In-app purchases:** none


### Know Notes

[App page](https://appshunter.io/ios/app/know-notes-learn-music/id1536356966)

Develop your musical ear by learning to identify notes and chords by sound. This gamified app makes practicing fun and competitive, allowing you to progress from basic notes to sharps and flats.

**Highlights:** Ear training, Note recognition, Chord recognition, Gamified learning, Progressive difficulty, Natural notes, sharps, and flats

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Violin Notes | $0.99 | one-time |
| Electronic Keyboard Notes | $0.99 | one-time |
| Grand Piano Notes | $0.99 | one-time |
| Unlock Violin Instrument | $2.99 | one-time |
| Acoustic Guitar (Major Chords) | $2.99 | one-time |
| Unlock Acoustic Guitar | $3.99 | one-time |


## Frequently asked questions

### Is Perfect Pitch. free?

Perfect Pitch. costs $0.99, with no in-app purchases.

### Is Know Notes free?

Know Notes is free to download, with in-app purchases available.

### Which has better reviews, Perfect Pitch. or Know Notes?

Know Notes is rated higher. Perfect Pitch. averages 4.0 out of 5 from 1 ratings, while Know Notes averages 4.9 from 31 ratings.

### Do Perfect Pitch. or Know Notes have ads?

Neither Perfect Pitch. nor Know Notes shows ads.

### Which is updated more often, Perfect Pitch. or Know Notes?

Perfect Pitch. ships an update every 5 months, and Know Notes fortnightly. Most recently, Perfect Pitch. was updated on October 29, 2026 and Know Notes on October 27, 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.*