# Keijaoh Tutorials vs Combine Tutorial

The clearest difference is in-app purchases: Keijaoh Tutorials at none against Combine Tutorial's 1. Keijaoh Tutorials also leads on ads (none vs shown) and update cadence (every 6 months vs every 34 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Combine Tutorial sells 1 one-off in-app purchase. Keijaoh Tutorials asks for nothing beyond the download.

Keijaoh Tutorials ships an update every 6 months, Combine Tutorial every 34 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Keijaoh Tutorials | Combine Tutorial |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/keijaoh-tutorials/id1610343608/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 months** | Every 34 months |
| Monetization | Free | — |
| Size | 11 MB | 6 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Keijaoh Campbell](https://appshunter.io/developer/1528857942) | [红燕 马](https://appshunter.io/developer/1635360556) |

## What reviewers say

### Keijaoh Tutorials

[App page](https://appshunter.io/ios/app/keijaoh-tutorials/id1610343608)

Access expert tutorials on programming, math, and business. Explore insightful blogs and academic discussions to deepen your understanding and stay current with your chosen fields. This app offers a comprehensive platform for continuous learning and personal growth.

**Highlights:** Expert tutorials on Swift and SwiftUI, Backend technology guidance, Calculus lessons, Business and Computer Science blogs, Discussions on academic papers

**Features:** macOS Compatibility

**In-app purchases:** none


### Combine Tutorial

[App page](https://appshunter.io/ios/app/combine-tutorial/id6470148946)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| COMBINE TUTORIAL | $0.99 | one-time |


## Frequently asked questions

### Is Keijaoh Tutorials free?

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

### Is Combine Tutorial free?

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

### Do Keijaoh Tutorials or Combine Tutorial have ads?

Combine Tutorial shows ads; Keijaoh Tutorials does not.

### Which is updated more often, Keijaoh Tutorials or Combine Tutorial?

Keijaoh Tutorials ships an update every 6 months, and Combine Tutorial every 34 months. Most recently, Keijaoh Tutorials was updated on October 24, 2026 and Combine Tutorial on October 25, 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.*