# Polygrams vs Fraction Challenge

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.

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.

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.

Polygrams ships an update every 6 weeks, Fraction Challenge every 2 months. Both last shipped on November 11, 2026.

## The numbers

| Metric | Polygrams | Fraction Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (4.4K ratings)](https://appshunter.io/ios/app/polygrams-tangram-puzzles/id1403036309/reviews)** | [4.5 (1.5K ratings)](https://appshunter.io/ios/app/fraction-challenge/id1499338364/reviews) |
| Number of ratings | **4.4K** | 1.5K |
| Positive reviews | 43.6% of reviews | **70.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 59 MB | 89 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Norma Kohn](https://appshunter.io/developer/1312626694) | [Didactoons Games SL](https://appshunter.io/developer/1457185685) |

## What reviewers say

### Polygrams

[App page](https://appshunter.io/ios/app/polygrams-tangram-puzzles/id1403036309)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 Hints | $0.99 | one-time |
| Remove Ads | $0.99 | one-time |
| 20 Hints | $2.99 | one-time |
| 35 Hints | $4.99 | one-time |
| 80 Hints | $9.99 | one-time |
| 200 Hints | $20.99 | one-time |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- Game crashes/freezes
- Paid version still showing ads

**Requested features**

- Customizable puzzle pieces
- Randomized piece order
- Ability to rotate/flip pieces


### Fraction Challenge

[App page](https://appshunter.io/ios/app/fraction-challenge/id1499338364)

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:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get the Full version | $1.99 | one-time |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- App crashes on launch
- Login issues

**Requested features**

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


## Frequently asked 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 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*