# Kase₄ vs PromptFolio

Kase₄ and PromptFolio both sit at 5.0 stars, but that hides the real split: 100% of PromptFolio's written reviews are positive against 0% of Kase₄'s. PromptFolio also leads on price (Free vs $9.99) and update cadence (every 2 days vs every 2 months). Kase₄'s advantage is iOS requirement (15.0 vs 18.0). On rating, ratings volume, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Kase₄ against 5.0 for PromptFolio. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews are what separate them: 0% of Kase₄'s written reviews are positive against 100% of PromptFolio's.

Kase₄ ships an update every 2 months, PromptFolio every 2 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Kase₄ | PromptFolio |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/kase-your-personal-database/id1644975888/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/promptfolio/id6752543182/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 17 MB | 77 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kenneth Wong](https://appshunter.io/developer/1275992151) | [Michael Aaron](https://appshunter.io/developer/1839780360) |

## 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 |


### PromptFolio

[App page](https://appshunter.io/ios/app/promptfolio/id6752543182)

Organize and track your AI image generation prompts and their results across various platforms. Save prompts, attach generated images, and compare outputs to build a searchable library of what works best for you. Enhance your prompts with smart suggestions and creative vocabulary.

**Highlights:** Save prompts with OCR extraction, Attach generated images/videos, Track platform, model, and settings, Searchable visual library, Lexicon suggestions for prompt improvement, Creative vocabulary for descriptors, Remix prompts for iteration

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Prompts | $0.99 | one-time |


## Frequently asked questions

### Is Kase₄ free?

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

### Is PromptFolio free?

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

### Which has better reviews, Kase₄ or PromptFolio?

Kase₄ and PromptFolio are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Kase₄ or PromptFolio have ads?

Neither Kase₄ nor PromptFolio shows ads.

### Which is updated more often, Kase₄ or PromptFolio?

Kase₄ ships an update every 2 months, and PromptFolio every 2 days. Most recently, Kase₄ was updated on October 24, 2026 and PromptFolio 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.*