# GridNotes — A piano with a grid layout.

> Grid-based piano app with scale and MIDI support. (iPhone/iPad app by Jason Pepas.)

- Source: https://appshunter.io/ios/app/gridnotes/id1548202128 (this page in markdown: same URL + `.md`)
- Developer: [Jason Pepas](https://appshunter.io/developer/1548202130)
- Category: Music, Music, Education
- Price: Free
- Rating: 5.00/5 from 4 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 11.4 · 43 MB
- Languages: English
- Released: 2021-01-13
- Data updated: 2026-06-06
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/gridnotes/id1548202128/reviews.md

## What is GridNotes?

A piano with a grid-based key layout.  Support for scales / keys, selection of MIDI voice, sticky keys, etc.

See https://github.com/pepaslabs/GridNotes

## Key features

- Grid-based piano layout
- Scale and key support
- MIDI voice selection
- Sticky keys functionality
- Customizable musical tools

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/gridnotes/id1548202128/reviews.md

### 4/5 — Great little grid app

*2023-03-28*

Would be 5+/5 if it could export MIDI!

### 5/5 — N.E.R.V.E approved

*2021-01-14*

Actually a lot of fun lol

## Frequently asked questions about GridNotes

### What is GridNotes?

GridNotes is a free music application that provides a piano interface with a unique grid-based key layout. It's designed for creating music and practicing with features like scale support and MIDI voices.

### Is GridNotes free to use?

Yes, GridNotes is completely free to download and use. It does not have any in-app purchases or advertisements, offering a pure musical experience.

### What devices does GridNotes support?

GridNotes is available on iPhone, iPad, and iPod. It is optimized for Apple's mobile ecosystem, allowing for music creation on the go.

### How often is GridNotes updated?

The latest version of GridNotes was released on January 21, 2022. While specific update frequency isn't detailed, the app has seen consistent development since its release in 2021.

### What is the age rating for GridNotes?

GridNotes has an age rating of 4+, making it suitable for users of all ages interested in music creation and learning.

### Does GridNotes have ads?

No, GridNotes does not contain any advertisements. The app is ad-free, ensuring an uninterrupted creative process for its users.

### What makes GridNotes' piano layout unique?

Unlike traditional pianos, GridNotes features a grid-based key layout. This offers a fresh perspective for playing and composing, potentially aiding in understanding musical structures like scales and keys.

### Can GridNotes be used for professional music production?

With its MIDI voice selection and support for musical scales, GridNotes can be a valuable tool for both beginners and experienced musicians. Its flexible interface allows for creative exploration in music production.

## Version history (last 4 releases)

### 1.2.2 — 2022-01-21

Support for iOS 15

### 1.2 — 2021-01-19

Added support for dark-mode.

### 1.1 — 2021-01-18

- Implemented "Ring" keyboard layout.

- Used AVAudioSession .mixWithOthers option, which allows the piano to play over the audio of other apps. This allows GridNotes to be used in conjunction with e.g. a metronome app or while listening to a backing track on YouTube.

- Removed broken Sine Wave sound font (all of the notes were at the wrong pitch).

### 1.0 — 2021-01-13

No release notes.

## Apps similar to GridNotes

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Grid Music Player](https://appshunter.io/ios/app/grid-music-player/id6453162098) | 4.2 (5) | $9.99 | Music |
| [Isomorphic Keyboard](https://appshunter.io/ios/app/isomorphic-keyboard/id6670605972) | 4.5 (4) | Free | Music |
| [Moon Echo](https://appshunter.io/ios/app/moon-echo/id6503342104) | 4.8 (15) | Free | Music |

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-06.*