# Note By Site Pro vs Kase₄

The clearest difference is review sentiment: Note By Site Pro at 100% against Kase₄'s 0%. Note By Site Pro also leads on price ($0.99 vs $9.99) and in-app purchases (none vs 4). On ads, monetization model, device support and iOS requirement there is nothing between them.

Note By Site Pro costs $0.99 and Kase₄ $9.99 up front. Kase₄ sells 4 one-off in-app purchases. Note By Site Pro asks for nothing beyond the download.

Note By Site Pro ships an update every 10 days, Kase₄ every 2 months. The most recent releases landed on October 17, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Note By Site Pro | Kase₄ |
| --- | --- | --- |
| Price | **$0.99** | $9.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/note-by-site-pro/id1617573556/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | Paid | Paid |
| Size | 1 MB | 17 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yoshiko Sato](https://appshunter.io/developer/1558203658) | [Kenneth Wong](https://appshunter.io/developer/1275992151) |

## What reviewers say

### Note By Site Pro

[App page](https://appshunter.io/ios/app/note-by-site-pro/id1617573556)

Capture notes directly on any website you visit. This extension saves your notes by site, making it easy to remember tasks or information for future visits. Notes are stored locally and can be easily managed and edited.

**Highlights:** Take notes directly on websites, Notes saved by site, Local storage for notes, Edit and delete saved memos, URL subdirectories ignored

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


### Kase₄

[App page](https://appshunter.io/ios/app/kase-your-personal-database/id1644975888)

This app allows you to create and manage your own personal databases on your device. It offers flexibility in designing structures to track anything important, with features like inter-linked data, full-text search, and various field types. Your data remains private and accessible offline.

**Highlights:** Design custom databases, Inter-linked data, Full-text search with NLP, Multiple field types, Markdown support, Passcode and biometric lock, Data visualization (Formatters), OCR for text recognition

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip: Dollar | $1.00 | one-time |
| Tip: Coffee | $2.00 | one-time |
| Tip: Coffee, CA | $4.00 | one-time |
| Tip: Caffè Mocha | $5.00 | one-time |


## Frequently asked questions

### Is Note By Site Pro free?

Note By Site Pro costs $0.99, with no in-app purchases.

### Is Kase₄ free?

Kase₄ costs $9.99, and also offers in-app purchases.

### Do Note By Site Pro or Kase₄ have ads?

Neither Note By Site Pro nor Kase₄ shows ads.

### Which is updated more often, Note By Site Pro or Kase₄?

Note By Site Pro ships an update every 10 days, and Kase₄ every 2 months. Most recently, Note By Site Pro was updated on October 17, 2026 and Kase₄ on October 3, 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.*