# Guitar Tab Notes vs Open

The clearest difference is in-app purchases: Guitar Tab Notes at none against Open's 1. Guitar Tab Notes also leads on update cadence (every 3 days vs every 3 weeks). Open's advantage is iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Open sells 1 one-off in-app purchase. Guitar Tab Notes asks for nothing beyond the download.

Guitar Tab Notes ships an update every 3 days, Open every 3 weeks. The most recent releases landed on October 28, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Guitar Tab Notes | Open |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Size | 2 MB | 12 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [United App Sp. z o.o.](https://appshunter.io/developer/6780957160) | [michael Hix](https://appshunter.io/developer/6793281843) |

## What reviewers say

### Guitar Tab Notes

[App page](https://appshunter.io/ios/app/guitar-tab-notes/id6784854963)

**Features:** Vision Pro support

**In-app purchases:** none


### Open

[App page](https://appshunter.io/ios/app/openshape/id6793281841)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Open—Shape Pro | $9.99 | one-time |


## Frequently asked questions

### Is Guitar Tab Notes free?

Guitar Tab Notes is free to download, with no in-app purchases.

### Is Open free?

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

### Do Guitar Tab Notes or Open have ads?

Neither Guitar Tab Notes nor Open shows ads.

### Which is updated more often, Guitar Tab Notes or Open?

Guitar Tab Notes ships an update every 3 days, and Open every 3 weeks. Most recently, Guitar Tab Notes was updated on October 28, 2026 and Open on October 8, 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.*