Rechentrainer vs EPO Data Hub
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!
EPO Data Hub
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EPO Data Hub v6.0.1 provides global and national data on patenting trends based on applications filed and patents granted at the European Patent Office in 2016-2025. The data covers patent applications and grants as well as the world’s top applicants and technology fields. Total European patent applications; Origin of European patent applications; Top countries of origin; Top technology fields; Top applicants in 2025; Total granted European patents; Granted patents per country of origin; Top patentees in 2025.
Screenshots
Verdict
The clearest difference is iOS requirement: Rechentrainer at 14.2 against EPO Data Hub's 18.2. On price, update cadence, ads and in-app purchases 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, EPO Data Hub every 6 weeks. The most recent releases landed on October 9, 2026 and September 28, 2026 respectively.
| Parameter | Rechentrainer | EPO Data Hub |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.2 — better | 18.2 |
| Further details — not scored | ||
| Size | 7 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Nicolai Kummer | Europaeisches Patentamt |
In-app purchases
Rechentrainer
No in-app purchases
EPO Data Hub
No in-app purchases
Questions
Is Rechentrainer free?
Is EPO Data Hub free?
Do Rechentrainer or EPO Data Hub have ads?
Which is updated more often, Rechentrainer or EPO Data Hub?
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