# Kase₄ vs Folio

The clearest difference is price: Folio at Free against Kase₄'s $9.99. Folio also leads on update cadence (weekly vs every 2 months). Kase₄'s advantage is iOS requirement (15.0 vs 17.0). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Folio is free to download; Kase₄ costs $9.99 up front. Kase₄ sells 4 one-off in-app purchases and Folio sells 3 in-app purchases, starting at $3.99 per month. 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 Folio. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Kase₄ ships an update every 2 months, Folio weekly. Both last shipped on November 3, 2026.

## The numbers

| Metric | Kase₄ | Folio |
| --- | --- | --- |
| 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/folio-tracking-notebooks/id6803817370/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Paid | **Freemium** |
| Size | 17 MB | 25 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Kenneth Wong](https://appshunter.io/developer/1275992151) | [RECEP GUR](https://appshunter.io/developer/1861267659) |

## 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 |


### Folio

[App page](https://appshunter.io/ios/app/folio-tracking-notebooks/id6803817370)

Organize anything with customizable digital notebooks. Track finances, habits, books, and more with over 30 templates. Integrates with Siri and VoiceOver for hands-free use.

**Highlights:** Over 30 ready-made templates, Customizable fields and statuses, Siri and VoiceOver integration, Dates, reminders, and recurrence, iCloud sync across devices, History and archive of completed lists

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Folio Pro Monthly | $3.99 | per month |
| Folio Pro Yearly | $29.99 | per year |
| Folio Pro Lifetime | $69.99 | one-time |


## Frequently asked questions

### Is Kase₄ free?

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

### Is Folio free?

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

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

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

### Do Kase₄ or Folio have ads?

Neither Kase₄ nor Folio shows ads.

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

Kase₄ ships an update every 2 months, and Folio weekly. Most recently, Kase₄ was updated on November 3, 2026 and Folio on November 3, 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.*