Rechentrainer vs Keijaoh Tutorials
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rechentrainer
This app offers personalized math practice for all ages, covering addition, subtraction, multiplication, and division. It features customizable difficulty levels, motivational rewards, and progress tracking to make learning enjoyable and effective.
- Personalized arithmetic practice
- Customizable difficulty levels
- Motivational reward system
- Learning progress tracking
- Suitable for all ages
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Math Trainer: Master Mathematics with Fun! - Personalized Learning: Practice all four basic arithmetic operations (addition, subtraction, multiplication, division) at your own pace. - Customizable Difficulty Levels: Choose numbers before and after the operator for tailored exercises – perfect for every age and skill level. - Motivation through Rewards: Earn smiley points for every correct answer and boost your learning motivation. - Track Learning Progress: Keep an eye on your progress, strengths, and areas for improvement with the learning history overview. - For Young and Old: Whether a student or adult, the Math Trainer is intended for anyone who wants to improve their math skills. - Learn through Play: Turn learning into an exciting game and master mathematics with fun and joy. Discover now how learning math can be fun – with the Math Trainer!
Keijaoh Tutorials
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.
- Expert tutorials on Swift and SwiftUI
- Backend technology guidance
- Calculus lessons
- Business and Computer Science blogs
- Discussions on academic papers
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Introducing our comprehensive mobile app, designed to provide you with an immersive learning experience across various topics. Dive into our expert tutorials on Swift, SwiftUI, backend technologies, Calculus, and more, all tailored to help you master these subjects with ease. In addition to our educational content, you'll find insightful blogs covering Business, Computer Science, and even in-depth discussions on academic papers authored by our team. Enhance your knowledge and stay updated with our all-in-one app.
Screenshots
Verdict
The clearest difference is update cadence: Rechentrainer at every 2 months against Keijaoh Tutorials's every 6 months. Rechentrainer also leads on iOS requirement (14.2 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Rechentrainer ships an update every 2 months, Keijaoh Tutorials every 6 months. The most recent releases landed on June 4, 2026 and June 12, 2026 respectively.
| Parameter | Rechentrainer | Keijaoh Tutorials |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.2 — better | 17.0 |
| Further details — not scored | ||
| Size | 7 MB | 11 MB |
| Age rating | 4+ | 17+ |
| Developer | Nicolai Kummer | Keijaoh Campbell |
Customer experience
Rechentrainer
Keijaoh Tutorials
In-app purchases
Rechentrainer
No in-app purchases
Keijaoh Tutorials
No in-app purchases
Questions
Is Rechentrainer free?
Is Keijaoh Tutorials free?
Do Rechentrainer or Keijaoh Tutorials have ads?
Which is updated more often, Rechentrainer or Keijaoh Tutorials?
Other comparisons
