# CastleKeyp vs Note26

The clearest difference is in-app purchases: CastleKeyp at none against Note26's 1. Note26's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Note26 sells 1 in-app purchase, starting at $4.99 per month. CastleKeyp asks for nothing beyond the download.

CastleKeyp ships an update every 2 months, Note26 every 3 weeks. The most recent releases landed on August 3, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | CastleKeyp | Note26 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/note26-planner-and-reminders/id6503249459/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Freemium |
| Size | 48 MB | 19 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CastleKeyp Corporation](https://appshunter.io/developer/1541685214) | [Note26 Inc.](https://appshunter.io/developer/1748569793) |

## What reviewers say

### CastleKeyp

[App page](https://appshunter.io/ios/app/castlekeyp/id1541685212)

**Features:** macOS Compatibility

**In-app purchases:** none


### Note26

[App page](https://appshunter.io/ios/app/note26-planner-and-reminders/id6503249459)

This app offers a unique approach to note-taking by integrating directly with your calendar. Simply select a date and start typing your thoughts, to-do lists, or journal entries without any rigid structure. It provides a streamlined way to organize your life by day.

**Highlights:** One note per day organization, Instant writing without forms, Markdown support buttons, Calendar integration, To-do lists and reminders

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Note26 Pro | $4.99 | per month |


## Frequently asked questions

### Is CastleKeyp free?

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

### Is Note26 free?

Note26 is free to download, with in-app purchases available.

### Do CastleKeyp or Note26 have ads?

CastleKeyp shows ads; Note26 does not.

### Which is updated more often, CastleKeyp or Note26?

CastleKeyp ships an update every 2 months, and Note26 every 3 weeks. Most recently, CastleKeyp was updated on August 3, 2026 and Note26 on September 11, 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.*