# myAcBook vs GridNote

The clearest difference is in-app purchases: myAcBook at none against GridNote's 2. myAcBook also leads on ads (none vs shown). GridNote's advantage is update cadence (every 6 days vs fortnightly) and iOS requirement (15.1 vs 18.0). On price and device support there is nothing between them.

Both are free to download. GridNote sells 2 in-app purchases, starting at $1.99 per month. myAcBook asks for nothing beyond the download.

myAcBook ships an update fortnightly, GridNote every 6 days. The most recent releases landed on October 28, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | myAcBook | GridNote |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gridnote-zen-writing-space/id6761039681/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 79 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [sanguk han](https://appshunter.io/developer/1813276285) | [Kyuman Kim](https://appshunter.io/developer/1882931584) |

## What reviewers say

### myAcBook

[App page](https://appshunter.io/ios/app/myacbook/id6745644515)

**Features:** macOS Compatibility

**In-app purchases:** none


### GridNote

[App page](https://appshunter.io/ios/app/gridnote-zen-writing-space/id6761039681)

This app offers a unique writing experience inspired by traditional manuscript paper. Its grid-based interface encourages structured thinking and visual organization for journaling, essays, and project planning. Customize your writing space with various themes and grid layouts.

**Highlights:** Unique manuscript paper UI, Flexible grid settings, Structured journaling with calendar view, Aesthetic customization (colors, themes), Smart organization with folders, Ad-free writing experience (Pro)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $14.99 | per year |


## Frequently asked questions

### Is myAcBook free?

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

### Is GridNote free?

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

### Do myAcBook or GridNote have ads?

GridNote shows ads; myAcBook does not.

### Which is updated more often, myAcBook or GridNote?

myAcBook ships an update fortnightly, and GridNote every 6 days. Most recently, myAcBook was updated on October 28, 2026 and GridNote on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*