# CKJ App vs Haiku Note

The clearest difference is in-app purchases: CKJ App at none against Haiku Note's 1. CKJ App also leads on ads (none vs shown) and iOS requirement (11.0 vs 14.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Haiku Note sells 1 one-off in-app purchase. CKJ App asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on September 12, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | CKJ App | Haiku Note |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Size | 7 MB | 8 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ELM Inc.](https://appshunter.io/developer/893982377) | [Mihoko Araki](https://appshunter.io/developer/1476136915) |

## What reviewers say

### CKJ App

[App page](https://appshunter.io/ios/app/ckj-app/id893982374)

**Features:** macOS Compatibility

**In-app purchases:** none


### Haiku Note

[App page](https://appshunter.io/ios/app/haiku-note/id1617431925)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $2.99 | one-time |


## Frequently asked questions

### Is CKJ App free?

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

### Is Haiku Note free?

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

### Do CKJ App or Haiku Note have ads?

Haiku Note shows ads; CKJ App does not.

### Which is updated more often, CKJ App or Haiku Note?

CKJ App ships an update every 5 weeks, and Haiku Note every 5 weeks. Most recently, CKJ App was updated on September 12, 2026 and Haiku Note on September 18, 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.*