# Polygrams vs Knight's Graph

The clearest difference is review sentiment: Knight's Graph at 100% against Polygrams's 43%. Knight's Graph also leads on in-app purchases (none vs 6) and ads (none vs shown). Polygrams's advantage is ratings volume (4.3K vs 1). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Polygrams sells 6 one-off in-app purchases. Knight's Graph asks for nothing beyond the download.

Knight's Graph holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Polygrams has 4.3K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 43% of Polygrams's written reviews are positive against 100% of Knight's Graph's.

Polygrams ships an update every 6 weeks, Knight's Graph weekly. The most recent releases landed on October 18, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Polygrams | Knight's Graph |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (4.3K ratings)](https://appshunter.io/ios/app/polygrams-tangram-puzzles/id1403036309/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/knights-graph/id6737812039/reviews)** |
| Number of ratings | **4.3K** | 1 |
| Positive reviews | 43.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 59 MB | 34 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Norma Kohn](https://appshunter.io/developer/1312626694) | [Gleb Shalimov](https://appshunter.io/developer/1775466597) |

## 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


### Knight's Graph

[App page](https://appshunter.io/ios/app/knights-graph/id6737812039)

Challenge your logic and strategic thinking with this intellectual puzzle game. Navigate a chess knight across the board, visiting each square exactly once. Experience a new strategic challenge with every game.

**Highlights:** Knight's tour puzzle gameplay, Logical and strategic challenges, Unique challenges with each game, Test problem-solving skills, Classic chess knight movement

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Polygrams free?

Polygrams is free to download, with in-app purchases available.

### Is Knight's Graph free?

Knight's Graph is free to download, with no in-app purchases.

### Which has better reviews, Polygrams or Knight's Graph?

Knight's Graph is rated higher. Polygrams averages 4.6 out of 5 from 4.3K ratings, while Knight's Graph averages 5.0 from 1 ratings.

### Do Polygrams or Knight's Graph have ads?

Polygrams shows ads; Knight's Graph does not.

### Which is updated more often, Polygrams or Knight's Graph?

Polygrams ships an update every 6 weeks, and Knight's Graph weekly. Most recently, Polygrams was updated on October 18, 2026 and Knight's Graph on October 4, 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.*