# Eul vs UI HandBook

The clearest difference is update cadence: Eul at every 2 weeks against UI HandBook's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Eul sells 1 one-off in-app purchase and UI HandBook sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Eul ships an update every 2 weeks, UI HandBook monthly. The most recent releases landed on September 22, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Eul | UI HandBook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/eul-swiftui/id1541991958/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 92.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 20 MB |
| Requires iOS | **16.0** | 16.2 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [科 曾](https://appshunter.io/developer/1322330151) | [振捷 周](https://appshunter.io/developer/1526093328) |

## What reviewers say

### Eul

[App page](https://appshunter.io/ios/app/eul-swiftui/id1541991958)

This app offers an interactive SwiftUI learning experience with real-time code previews on Apple devices. It covers the latest SwiftUI features and serves as a comprehensive reference tool for developers.

**Highlights:** Interactive SwiftUI learning, Real-time code previews, Covers latest SwiftUI updates, Comprehensive reference tool, Cross-platform support (iOS, iPadOS, macOS), Powerful search functionality

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $1.99 | one-time |


### UI HandBook

[App page](https://appshunter.io/ios/app/ui-handbook/id6463360470)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock App | $4.99 | one-time |


## Frequently asked questions

### Is Eul free?

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

### Is UI HandBook free?

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

### Do Eul or UI HandBook have ads?

Neither Eul nor UI HandBook shows ads.

### Which is updated more often, Eul or UI HandBook?

Eul ships an update every 2 weeks, and UI HandBook monthly. Most recently, Eul was updated on September 22, 2026 and UI HandBook on September 19, 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.*