Mental Math (Lite) vs Eureka! Kreuzworträtsel
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Mental Math (Lite)
Playfully improve your mental calculation skills with various exercises and image puzzles. Developed with mathematics teachers, this app offers multiple difficulty levels and categories to boost your brain power.
- Mental calculation exercises
- Image puzzles for motivation
- Basic Arithmetics
- Division with Remainder
- Percentage Calculation
- Roman Numerals
- Multiples and Divisors
- 4 Difficulty Levels
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The classic with over a million downloads! From the reviews: "Great little App" "Easy and efficient" "Wonderful and fun" Boost your gray matter now! Here's a quick check: What's 7 × (4 + 9)? Needed more than five seconds? This can be better! With Mental Math you can playfully improve your mental calculation skills through various exercises. Image puzzles are an incentive to carry on practicing. Mental Math has been developed in collaboration with mathematics teachers and is successfully put to used in many schools. Choose the exercises from many categories: - Basic Arithmetics - Division with Remainder - Percentage Calculation - Reading and Writing Roman Numerals - Common Multiples and Divisors Moreover, there are - 4 Difficulty Levels - an adjustable Time Limit - Exercises in order of operations and braces - Exercises to practice specific Multiplication Tables
Eureka! Kreuzworträtsel
This app generates endless crossword puzzles with over 10,000 questions. Customize puzzle size, difficulty, and categories to your liking. Features include helpful tools and the ability to share solved puzzles with friends.
- Automatic crossword generation
- Over 10,000 questions
- Customizable difficulty and categories
- Helpful solving tools
- Share solved puzzles
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Eureka! Eureka erstellt aus einer Datenbank mit über 10.000 Fragen automatisch Kreuzworträtsel und bietet somit schier unendlichen Rätselspaß! Sie können die Größe des Kreuzworträtsels angeben und aus welchen Kategorien und Schwierigkeitsgraden es aufgebaut sein soll, um es an Ihre Vorlieben anzupassen. Features: - Erstellung von Kreuzworträtseln in wenigen Sekunden - über 10.000 Fragen - drei Schwierigkeitsgrade - 14 Kategorien (Allgemein, Literatur, Sport, Geschichte, Musik, Film und Fernsehen, Natur, Kunst, Sprichwörter, IT und Computer, Astronomie und Raumfahrt, Geographie, Mythologie, Wissenschaft) - alle Fragen kreuzen sich (d.h. jeder Buchstabe ist Bestandteil einer waagerechten und einer senkrechten Frage) - Hilfefunktionen: es können bisherige Eingaben überprüft, Buchstaben aufgedeckt und alternative Fragen angezeigt werden - Rätsel teilen: nachdem Sie ein Rätsel gelöst haben, können Sie es an Ihre Freunde verschicken Zusätzlich zu den vorhandenen Fragen können Fragenpakete erworben werden. Beim Kauf eines Pakets werden automatisch die Werbeeinblendungen abgeschaltet.
Screenshots
Verdict
The clearest difference is ads: Mental Math (Lite) at none against Eureka! Kreuzworträtsel's shown. Mental Math (Lite) also leads on ratings volume (52 vs 2). Eureka! Kreuzworträtsel's advantage is update cadence (every 2 months vs every 16 months) and review sentiment (100% vs 73%). On price, in-app purchases, monetization model and device support 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. Mental Math (Lite) sells 1 one-off in-app purchase and Eureka! Kreuzworträtsel sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Eureka! Kreuzworträtsel holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Mental Math (Lite) has 52 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 73% of Mental Math (Lite)'s written reviews are positive against 100% of Eureka! Kreuzworträtsel's.
Mental Math (Lite) ships an update every 16 months, Eureka! Kreuzworträtsel every 2 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | Mental Math (Lite) | Eureka! Kreuzworträtsel |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (52 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 73.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 52 — better | 2 |
| Update frequency | Every 16 months | Every 2 months — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 10.3 | 10.0 — better |
| Further details — not scored | ||
| Size | 22 MB | 49 MB |
| Age rating | 4+ | 4+ |
| Developer | Trilliarden Entertainment GmbH | Christopher Hahn |
Customer experience
Mental Math (Lite)
Eureka! Kreuzworträtsel
In-app purchases
Mental Math (Lite)
- Full Version$2.99
Eureka! Kreuzworträtsel
- Zusatzpaket - Allgemein$1.99
- Zusatzpaket - Allgemein 2$1.99
- Zusatzpaket - Englisch$1.99
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- Zusatzpaket - Film und TV$1.99
- Zusatzpaket - Allgemein 3$1.99
- Zusatzpaket - Musikcharts DE$1.99
- Zusatzpaket - Geografie DACH$1.99
- Paketbundle$5.99
Questions
Is Mental Math (Lite) free?
Is Eureka! Kreuzworträtsel free?
Which has better reviews, Mental Math (Lite) or Eureka! Kreuzworträtsel?
Do Mental Math (Lite) or Eureka! Kreuzworträtsel have ads?
Which is updated more often, Mental Math (Lite) or Eureka! Kreuzworträtsel?
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