# Kase₄ vs QV.AC

The clearest difference is price: QV.AC at Free against Kase₄'s $9.99. QV.AC also leads on in-app purchases (none vs 4) and update cadence (weekly vs every 2 months). On ads, device support and iOS requirement there is nothing between them.

QV.AC is free to download; Kase₄ costs $9.99 up front. Kase₄ sells 4 one-off in-app purchases. QV.AC asks for nothing beyond the download.

Kase₄ ships an update every 2 months, QV.AC weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Kase₄ | QV.AC |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/kase-your-personal-database/id1644975888/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Paid | — |
| Size | 17 MB | 245 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kenneth Wong](https://appshunter.io/developer/1275992151) | [Tether Data](https://appshunter.io/developer/1841901002) |

## What reviewers say

### 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 |


### QV.AC

[App page](https://appshunter.io/ios/app/qvac/id6796623527)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kase₄ free?

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

### Is QV.AC free?

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

### Do Kase₄ or QV.AC have ads?

Neither Kase₄ nor QV.AC shows ads.

### Which is updated more often, Kase₄ or QV.AC?

Kase₄ ships an update every 2 months, and QV.AC weekly. Most recently, Kase₄ was updated on October 24, 2026 and QV.AC on October 24, 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.*