# Keijaoh Tutorials vs Discrete Mathematics Basics

The clearest difference is ads: Keijaoh Tutorials at none against Discrete Mathematics Basics's shown. Keijaoh Tutorials also leads on monetization model (free vs ad-supported). Discrete Mathematics Basics's advantage is update cadence (every 5 days vs every 6 months) and iOS requirement (15.1 vs 17.0). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Keijaoh Tutorials against 5.0 for Discrete Mathematics Basics. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Keijaoh Tutorials ships an update every 6 months, Discrete Mathematics Basics every 5 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Keijaoh Tutorials | Discrete Mathematics Basics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/keijaoh-tutorials/id1610343608/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/discrete-mathematics-basics/id6769251191/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 5 days** |
| Monetization | **Free** | Ad-supported |
| Size | 11 MB | 38 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Keijaoh Campbell](https://appshunter.io/developer/1528857942) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## 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


### Discrete Mathematics Basics

[App page](https://appshunter.io/ios/app/discrete-mathematics-basics/id6769251191)

Master discrete mathematics with this independent study app. It offers spaced repetition, weak-point analysis, and mock exams to build a strong foundation in logic, sets, and graph theory. Practice offline without needing an account.

**Highlights:** Spaced-repetition scheduling, Weak-point heatmap, Daily challenges, Mock exams, Clear explanations, Offline practice

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

**In-app purchases:** none


## Frequently asked questions

### Is Keijaoh Tutorials free?

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

### Is Discrete Mathematics Basics free?

Discrete Mathematics Basics is free to download, with no in-app purchases.

### Which has better reviews, Keijaoh Tutorials or Discrete Mathematics Basics?

Keijaoh Tutorials and Discrete Mathematics Basics are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Keijaoh Tutorials or Discrete Mathematics Basics have ads?

Discrete Mathematics Basics shows ads; Keijaoh Tutorials does not.

### Which is updated more often, Keijaoh Tutorials or Discrete Mathematics Basics?

Keijaoh Tutorials ships an update every 6 months, and Discrete Mathematics Basics every 5 days. Most recently, Keijaoh Tutorials was updated on November 3, 2026 and Discrete Mathematics Basics on October 31, 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.*