Comparison

Grammar Challenge vs Fractions Using Visual Models

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Grammar Challenge

This educational game makes practicing English grammar and spelling enjoyable. It offers various game modes to reinforce understanding of parts of speech, tenses, and sentence structures through matching exercises. Designed for learners of all levels, it boosts concentration and provides a fun way to prepare for lessons.

Highlights
  • Grammar and spelling practice
  • Matching game modes
  • Adjustable difficulty
  • Selectable grammar areas
  • Reward system
  • Concentration boosting
Features
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This entertaining and educational matching game app helps you practice your English grammar and spelling in a fun way. Whether you need to brush up on parts of speech, conjugation or declination, tenses and types of sentences - no matter what you need, the various grammatical areas can be combined with each other and practiced. With one click, the appropriate themes are chosen, easy as pie, and you can start right away. Matching pairs must be found, either by purely assigning terms to the proper categories (funny = Adjectives | I would like to play = Futur 1) or as a concentration-enhancing matching game. THE GRAMMAR CHALLENGE HELPS YOU PRACTICE YOUR KNOWLEDGE IN A FUN WAY Both the number of card pairs and the number of players are, of course, variable. Depending on your wishes, the cards can be read aloud, and the length of time in which the cards are revealed is adjustable. The difficulty level of the app increases with the number of card pairs and the chosen area of grammar. It is aimed at all students who are not yet entirely comfortable in their use of grammatical terms or who want to practice for their next grammar lesson in a fun way. You can also work on improving your spelling. STRONG MOTIVATION TO LEARN GRAMMAR On your own in a race against time or against a challenging opponent - who will use the fewest number of moves to find the matching pairs? Who will collect the most stars and end up the winner in this grammatical duel? The beautiful visual presentation of the playing cards, the acoustic sounds of success, the pleasing voice that reads aloud, the game variations, the pedagogically sophisticated content and the strict limitations of only relevant content make this app a truly worthwhile learning aid. The Grammar Challenge makes learning grammar fun! PEDAGOGICAL BENEFITS OF THE APP: • Self-explanatory • Concentrates on the content without distractions • Motivates with a reward system • Practice mode • Boosts concentration skills • Selectable levels of difficulty • Selectable number of card pairs • Selectable read-aloud function • Selectable areas of grammar • “Assignable” game variations • Beautiful, relevant graphics • No in-app purchases • No online connection necessary • Learning psychology tested and approved TECHNICAL AND PEDAGOGICAL KNOW-HOW COME TOGETHER IN THE GRAMMAR CHALLENGE The idea for this app with regard to its content was created by licensed pedagogue Uta Reimann-Höhn (www.lernfoerderung.de), who has published numerous books as an expert on education and upbringing, and who has been the editor-in-chief of “Lernen und fördern mit Spaß!” (“Learn and Grow with Fun!”) since 2006. The idea was implemented by Jan Essig (www.janessig.com), a designer who has made a name for himself with his high-quality educational apps “Adventure Playground” and “Preschoolers ABC Playground” and has won numerous awards. The English voice recordings and translation were provided by Tom Harris (www.mrtomharris.com). The English grammar was advised on by Roger Griffin and Kate Griffin (www.kategriffin.info), who is a freelance copy writer and editor.

About

Fractions Using Visual Models

Features
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The best way to learn fractions. This app use visual model to help children to learn fractions concept, It covers adding, subtracting, multiplying and dividing fractions. FEATURES: • Learning fraction concepts using visual model • Fraction Multiplication: On the Grid • Dividing Fractions using the Area Model • Adding & Subtracting Unlike Fractions using butterfly method • Randomly generated fractions questions • Using share cookies concept to help children to understand subtracting unlike fraction • Using chick hatched out concept to help children to understand adding unlike fraction • No Ad, No in-app purchasing, No subscription FRACTION CONCEPTS: • Adding Fractions • Adding Mixed Fractions • Adding Unlike Fractions • Subtracting Fractions • Subtracting Mixed Fractions • Subtracting Unlike Fractions • Divide a Fraction by a Whole Number • Divide a Whole Number by a Fraction • Multiplying a Fraction by a Whole Number I • Multiplying a Fraction by a Whole Number II • Multiplying Fractions if you are interested in this app, you can watch the following video: https://www.youtube.com/watch?v=1xmR6gLGj2w https://www.youtube.com/watch?v=ND9H9ChJ_nU https://www.youtube.com/watch?v=AviPy6dEgm4 If you need help,please contact us by email: contact@kids17fun.com

Screenshots

Grammar Challenge4 screens

Verdict

The call

The clearest difference is price: Grammar Challenge at $0.99 against Fractions Using Visual Models's $2.99. Grammar Challenge also leads on device support (3 vs 1) and iOS requirement (12.0 vs 15.6). On 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

CostPrice · In-app purchases · Ads · Monetization

Grammar Challenge costs $0.99 and Fractions Using Visual Models $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Grammar Challenge ships an update every 15 months, Fractions Using Visual Models every 28 months. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

Scorecard3 real differences · 5 level
Grammar Challenge versus Fractions Using Visual Models: the parameters behind the verdict, then further details
ParameterGrammar ChallengeFractions Using Visual Models
Price$0.99 — better$2.99
Positive reviews0.0% of reviews—
Update frequencyEvery 15 months — betterEvery 28 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPad
Requires iOS12.0 — better15.6
Further details — not scored
Size15 MB162 MB
Age rating4+4+
DeveloperJan EssigRed Hong

In-app purchases

None

Grammar Challenge

No in-app purchases

None

Fractions Using Visual Models

No in-app purchases

Questions

Is Grammar Challenge free?
Grammar Challenge costs $0.99, with no in-app purchases.
Is Fractions Using Visual Models free?
Fractions Using Visual Models costs $2.99, with no in-app purchases.
Do Grammar Challenge or Fractions Using Visual Models have ads?
Neither Grammar Challenge nor Fractions Using Visual Models shows ads.
Which is updated more often, Grammar Challenge or Fractions Using Visual Models?
Grammar Challenge ships an update every 15 months, and Fractions Using Visual Models every 28 months. Most recently, Grammar Challenge was updated on September 21, 2026 and Fractions Using Visual Models on September 10, 2026.

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