# Pitch Checker vs Note a note

The clearest difference is in-app purchases: Note a note at none against Pitch Checker's 2. Note a note also leads on ads (none vs shown) and iOS requirement (13.4 vs 17.0). Pitch Checker's advantage is update cadence (every 3 days vs fortnightly). On price and device support there is nothing between them.

Both are free to download. Pitch Checker sells 2 in-app purchases, starting at $3.99 per month. Note a note asks for nothing beyond the download.

Pitch Checker ships an update every 3 days, Note a note fortnightly. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Pitch Checker | Note a note |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (617 ratings)](https://appshunter.io/ios/app/pitch-checker-chromatic-tuner/id1490398292/reviews)** | — |
| Number of ratings | **617** | — |
| Positive reviews | 51.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 23 MB |
| Requires iOS | 17.0 | **13.4** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shigeki Matsunaka](https://appshunter.io/developer/1490398291) | [Chirill Popovschii](https://appshunter.io/developer/1690371699) |

## What reviewers say

### Pitch Checker

[App page](https://appshunter.io/ios/app/pitch-checker-chromatic-tuner/id1490398292)

This app analyzes real-time audio to display musical notes, pitch, octave, frequency, and waveform. It helps measure vocal range, practice absolute pitch, detect song notes, and includes a metronome for rhythm practice. Adjust settings for notation, reference pitch, and sensitivity.

**Highlights:** Real-time audio analysis, Vocal range measurement, Pitch detection, Frequency and waveform display, Metronome with sound/vibration, Adjustable microphone sensitivity, Customizable notation settings

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad Hiding Plan+Graph Function | $3.99 | per month |
| Ad Hiding Plan+Graph Function | $39.99 | per year |

**What reviewers like**

- 🎶 Accurate pitch recognition
- 💡 Useful for learning music
- 🎤 Excellent microphone sensitivity
- ✨ Simple and easy to use
- 🎵 Helps with singing practice

**What reviewers complain about**

- 🚫 Unusable due to ads
- 🔞 Inappropriate ads displayed
- 🐛 Pitch measurement issues
- 🔇 Microphone not responding
- ⚠️ Ad sensitivity to background noise

**Reported bugs**

- Banner of naked pictures across the top
- Full of scam ads now
- 音程を測定できなくなった (Pitch measurement stopped working)
- マイクがあまり反応しなくなってしまった (Microphone not responding well)
- Penis Adverts - not appropriate

**Requested features**

- Display highest recorded note
- Ability to control measurement start time
- Recording of measured sounds
- Support for movable do (solfege)
- Option to change key for solfege


### Note a note

[App page](https://appshunter.io/ios/app/note-a-note/id6667036962)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pitch Checker free?

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

### Is Note a note free?

Note a note is free to download, with no in-app purchases.

### Do Pitch Checker or Note a note have ads?

Pitch Checker shows ads; Note a note does not.

### Which is updated more often, Pitch Checker or Note a note?

Pitch Checker ships an update every 3 days, and Note a note fortnightly. Most recently, Pitch Checker was updated on October 30, 2026 and Note a note 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.*