Comparison

Polygrams vs Fraction Challenge

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

Head to head
About

Polygrams

This logic puzzle game merges Tangram with block puzzle mechanics. Drag and drop pieces to fill shapes without overlap. Enjoy over 2500 levels, from beginner to master, offering a relaxing yet challenging experience for all ages.

Highlights
  • Tangram and block puzzle mechanics
  • Drag and drop gameplay
  • Over 2500 levels
  • Beginner and master difficulty
  • Offline play
  • One-touch controls
Features
Read full description

Polygrams is a logic puzzle game that combines the classic chinese Tangram puzzle with modern block puzzle elements. Drag and drop the pieces onto the board without overlapping them and fill out the whole shape. Completing a puzzle can be relaxing, but also challenging depending on the number of pieces - A fun time waster for all ages! Features - One-Touch gameplay - Designed to be playable in one hand - More than 2500 brain teasing levels - Beginner and master levels - Colorful and simple design - No Wifi required – Playable offline - Free content updates

About

Fraction Challenge

Engage in fun math games designed to teach and reinforce fraction operations. Practice addition, subtraction, multiplication, and division of fractions through interactive challenges. Compete with friends in multiplayer mode to boost mental calculation skills.

Highlights
  • Fraction representation
  • Addition and subtraction of fractions
  • Equivalent fractions
  • Fraction reduction
  • Multiplication and division of fractions
  • Multiplayer mode
Features
Read full description

Learn to do operations with fractions with this fun app. Here you will find a lot of educational games of mental calculation to learn and reinforce mathematical concepts, such as the representation of fractions, addition and subtraction with the same and different denominator, multiplication and division of fractions, equivalent fractions and reduction of fractional numbers. ENJOY THE MULTIPLAYER MODE! With this educational game you can play alone or in company, as it features a multiplayer mode. Challenge your classmate and become the fastest one in arithmetics, solving the different mathematical activities. BECOME THE KING OR QUEEN OF ARITHMETICS AND MENTAL CALCULATION! With just a few minutes a day you can improve your math level and beat your own records. THE IMPORTANCE OF FRACTIONS IN OUR DAILY ROUTINE Fractions are not only used as a concept in the subject of mathematics for children; they are necessary in order to perform various actions of daily life. For example: when buying food, it is normal to go to the supermarket and order ½ kilogram of apples. Measuring ingredients in the kitchen, buying fabrics or many other everyday things are solved with fractional numbers. EDUCATIONAL GOALS - Representation of fractions. - Addition and subtraction of fractions with a common denominator. - Equivalent fractions. - Fraction reduction. - Multiplying and dividing fractional numbers COMPANY: Didactoons Games SL Recommended age: For primary and secondary school children, 7 to 16 years old. Theme: Multiplayer game to learn arithmetic and mental calculation. CONTACT We want to know your opinion! Please share with your questions, technical problems, suggestions and everything you want with us. Write to us via our contact form: https://www.didactoons.com/contact/

Screenshots

Polygrams4 screens
Fraction Challenge4 screens

Verdict

The call

The clearest difference is ads: Fraction Challenge at none against Polygrams's shown. Fraction Challenge also leads on review sentiment (70% vs 44%). On price, rating, ratings volume and update cadence 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

Both are free to download. Polygrams sells 6 one-off in-app purchases and Fraction Challenge sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Polygrams against 4.5 for Fraction Challenge. Both are backed by a comparable volume of ratings — 4.4K and 1.5K respectively. Written reviews are what separate them: 44% of Polygrams's written reviews are positive against 70% of Fraction Challenge's.

UpkeepUpdate frequency

Polygrams ships an update every 6 weeks, Fraction Challenge every 2 months. The most recent releases landed on November 11, 2026 and November 7, 2026 respectively.

Scorecard2 real differences · 8 level
Polygrams versus Fraction Challenge: the parameters behind the verdict, then further details
ParameterPolygramsFraction Challenge
PriceFreeFree
Rating4.6 (4.4K ratings) — better4.5 (1.5K ratings)
Positive reviews43.6% of reviews70.1% of reviews — better
Number of ratings4.4K — better1.5K
Update frequencyEvery 6 weeks — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size59 MB89 MB
Age rating4+4+
DeveloperNorma KohnDidactoons Games SL

Customer experience

Polygrams

All ratings4,254 ratings
Positive91.1%
Neutral5.6%
Negative3.2%
Written reviews181 reviews
Positive43.6%
Neutral13.8%
Negative42.5%

Fraction Challenge

All ratings1,491 ratings
Positive88.1%
Neutral4.7%
Negative7.2%
Written reviews67 reviews
Positive70.1%
Neutral6.0%
Negative23.9%

User reviews

Polygrams

From 4.4K App Store ratings

What we love

  • 👍 Relaxing gameplay
  • 💡 Unique tangram puzzles
  • 🤔 Challenging mental exercise

Room to improve

  • 🚫 Too many ads
  • 🤦‍♀️ Ads blocking gameplay
  • 🔍 Difficulty seeing puzzle pieces
  • 🔒 Inability to rotate/flip pieces

Fraction Challenge

From 1.5K App Store ratings

What we love

  • 👍 Helps with learning fractions
  • 🚀 Fun and engaging game
  • 💡 Good for practicing and preparing for tests
  • 👍 Competitive and challenging

Room to improve

  • 🐛 App crashes or doesn't open
  • 🕰️ Timer is too fast
  • 💰 Not free to play

Bugs and requests

Polygrams

Reported bugs

2 issues
  • Game crashes/freezes
  • Paid version still showing ads

Requested features

3 requests
  • Customizable puzzle pieces
  • Randomized piece order
  • Ability to rotate/flip pieces

Fraction Challenge

Reported bugs

2 issues
  • App crashes on launch
  • Login issues

Requested features

3 requests
  • Option to remove timer or increase time
  • More game modes (e.g., divided fractions, add/subtract fractions, multiply)
  • No battery required to play

In-app purchases

6 purchases

Polygrams

One-time6
  • 5 Hints$0.99
  • Remove Ads$0.99
  • 20 Hints$2.99
Show 3 more
  • 35 Hints$4.99
  • 80 Hints$9.99
  • 200 Hints$20.99
1 purchases

Fraction Challenge

One-time1
  • Get the Full version$1.99

Questions

Is Polygrams free?
Polygrams is free to download, with in-app purchases available.
Is Fraction Challenge free?
Fraction Challenge is free to download, with in-app purchases available.
Which has better reviews, Polygrams or Fraction Challenge?
Polygrams is rated higher. Polygrams averages 4.6 out of 5 from 4.4K ratings, while Fraction Challenge averages 4.5 from 1.5K ratings.
Do Polygrams or Fraction Challenge have ads?
Polygrams shows ads; Fraction Challenge does not.
Which is updated more often, Polygrams or Fraction Challenge?
Polygrams ships an update every 6 weeks, and Fraction Challenge every 2 months. Most recently, Polygrams was updated on November 11, 2026 and Fraction Challenge on November 7, 2026.

Other comparisons