# QuickNotes X Pro vs Kase₄

The clearest difference is review sentiment: QuickNotes X Pro at 63% against Kase₄'s 0%. QuickNotes X Pro also leads on in-app purchases (none vs 4) and price ($5.99 vs $9.99). On update cadence, ads, monetization model and device support there is nothing between them.

QuickNotes X Pro costs $5.99 and Kase₄ $9.99 up front. Kase₄ sells 4 one-off in-app purchases. QuickNotes X Pro asks for nothing beyond the download.

QuickNotes X Pro ships an update monthly, Kase₄ every 2 months. The most recent releases landed on September 17, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | QuickNotes X Pro | Kase₄ |
| --- | --- | --- |
| Price | **$5.99** | $9.99 |
| Rating | **[4.6 (38 ratings)](https://appshunter.io/ios/app/quicknotes-x-pro/id1123307793/reviews)** | — |
| Number of ratings | **38** | — |
| Positive reviews | **62.5% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Paid | Paid |
| Size | 39 MB | 17 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alessandro Sassi](https://appshunter.io/developer/1493314059) | [Kenneth Wong](https://appshunter.io/developer/1275992151) |

## What reviewers say

### QuickNotes X Pro

[App page](https://appshunter.io/ios/app/quicknotes-x-pro/id1123307793)

Organize your thoughts with a versatile note-taking app. Create and manage notebooks with custom templates, import and annotate PDFs, and leverage professional tools for precise writing and drawing. Secure private notebooks with password or biometric locks.

**Highlights:** Organize notes into notebooks and folders, Import and annotate PDF documents, Accurate drawing engine with professional tools, Multimedia note creation with drag & drop, Password and biometric protection for notebooks, Export notes as PNG or PDF

**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 QuickNotes X Pro free?

QuickNotes X Pro costs $5.99, with no in-app purchases.

### Is Kase₄ free?

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

### Do QuickNotes X Pro or Kase₄ have ads?

Neither QuickNotes X Pro nor Kase₄ shows ads.

### Which is updated more often, QuickNotes X Pro or Kase₄?

QuickNotes X Pro ships an update monthly, and Kase₄ every 2 months. Most recently, QuickNotes X Pro was updated on September 17, 2026 and Kase₄ on September 15, 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.*