# Square Note vs HydroGrow

The clearest difference is update cadence: HydroGrow at daily against Square Note's every 4 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Square Note ships an update every 4 weeks, HydroGrow daily. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Square Note | HydroGrow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (67 ratings)](https://appshunter.io/ios/app/square-note-gregorian-chant/id1180469174/reviews)** | — |
| Number of ratings | **67** | — |
| Positive reviews | 92.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Daily** |
| Monetization | Free | — |
| Size | 55 MB | 25 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oblates of St. Joseph](https://appshunter.io/developer/1051534360) | [Guilherme Quintero Lorenzi](https://appshunter.io/developer/1841222207) |

## What reviewers say

### Square Note

[App page](https://appshunter.io/ios/app/square-note-gregorian-chant/id1180469174)

Access a vast library of Gregorian Chant scores with over 800 unique chants. Learn to read square note notation and hear melodies with adjustable speed and pitch. Ideal for choirs, scholas, or personal study.

**Highlights:** Extensive library of Gregorian Chant scores, Learn square note notation, Adjustable melody playback (speed, pitch), Customizable chant viewing settings, Bookmark favorite chants, Search by name or full text, Includes Mass Propers, Commons, and Kyriale

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

**In-app purchases:** none


### HydroGrow

[App page](https://appshunter.io/ios/app/hydrogrow/id6755127037)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Square Note free?

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

### Is HydroGrow free?

HydroGrow is free to download, with no in-app purchases.

### Do Square Note or HydroGrow have ads?

Neither Square Note nor HydroGrow shows ads.

### Which is updated more often, Square Note or HydroGrow?

Square Note ships an update every 4 weeks, and HydroGrow daily. Most recently, Square Note was updated on October 13, 2026 and HydroGrow on October 5, 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.*