# Kase₄ vs FluidDocs

Kase₄ and FluidDocs both sit at 5.0 stars, but that hides the real split: 100% of FluidDocs's written reviews are positive against 0% of Kase₄'s. FluidDocs also leads on price (Free vs $9.99) and in-app purchases (none vs 4). Kase₄'s advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.2). On rating, ratings volume and ads there is nothing between them.

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

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

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

## The numbers

| Metric | Kase₄ | FluidDocs |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/kase-your-personal-database/id1644975888/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/fluiddocs/id6758372596/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Paid | **Free** |
| Size | 17 MB | 1 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kenneth Wong](https://appshunter.io/developer/1275992151) | [Artiste, LLC](https://appshunter.io/developer/1509157754) |

## 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 |


### FluidDocs

[App page](https://appshunter.io/ios/app/fluiddocs/id6758372596)

Transform your documents into an interactive knowledge base. Ask natural language questions and get instant, grounded answers directly from your imported files, even without an internet connection. Ideal for professionals who need quick access to information from technical manuals, research papers, and reports.

**Highlights:** Offline document Q&A, Import PDFs, Markdown, code, text, Natural language questioning, Answers grounded in document text, Privacy-first design, Conversation history

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kase₄ free?

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

### Is FluidDocs free?

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

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

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

### Do Kase₄ or FluidDocs have ads?

Neither Kase₄ nor FluidDocs shows ads.

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

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