# Sum List vs Kase₄

The clearest difference is price: Sum List at $1.99 against Kase₄'s $9.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Sum List costs $1.99 and Kase₄ $9.99 up front. Sum List sells 1 one-off in-app purchase and Kase₄ sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Sum List ships an update every 3 months, Kase₄ every 2 months. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sum List | Kase₄ |
| --- | --- | --- |
| Price | **$1.99** | $9.99 |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | — | Paid |
| Size | 1 MB | 17 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Erdem Met](https://appshunter.io/developer/1632731422) | [Kenneth Wong](https://appshunter.io/developer/1275992151) |

## What reviewers say

### Sum List

[App page](https://appshunter.io/ios/app/sum-list/id1632731420)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iCloud Extension | $1.99 | one-time |


### 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 Sum List free?

Sum List costs $1.99, and also offers in-app purchases.

### Is Kase₄ free?

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

### Do Sum List or Kase₄ have ads?

Neither Sum List nor Kase₄ shows ads.

### Which is updated more often, Sum List or Kase₄?

Sum List ships an update every 3 months, and Kase₄ every 2 months. Most recently, Sum List was updated on October 14, 2026 and Kase₄ 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.*