Polygrams vs Knight's Graph
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
- Tangram and block puzzle mechanics
- Drag and drop gameplay
- Over 2500 levels
- Beginner and master difficulty
- Offline play
- One-touch controls
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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
Knight's Graph
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.
- Knight's tour puzzle gameplay
- Logical and strategic challenges
- Unique challenges with each game
- Test problem-solving skills
- Classic chess knight movement
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Visit every square exactly once with a chess knight. Knight's Graph turns the classic knight's tour into a puzzle where each move shapes the rest of your route. CHOOSE YOUR START Place the knight on any square and move in an L shape: two squares in one direction, then one to the side. Plan ahead to cover the board without revisiting a square. MAKE THE CHALLENGE YOURS • Seven board sizes: 5×5, 6×6, 8×8, 10×10, 12×12, 14×14 and 16×16 • Optional move highlighting and move numbers on the board • Undo moves during an ongoing game • An optional stopwatch to track your time • Resume an unfinished game on the same board size • Light and dark themes Choose a starting square. How far can you go?
Screenshots
Verdict
The clearest difference is review sentiment: Knight's Graph at 100% against Polygrams's 44%. Knight's Graph also leads on in-app purchases (none vs 6) and ads (none vs shown). Polygrams's advantage is ratings volume (4.4K vs 1). On price, device support and iOS requirement 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. 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 4.4K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 44% 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 November 13, 2026 and November 4, 2026 respectively.
| Parameter | Polygrams | Knight's Graph |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (4.4K ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 43.6% of reviews | 100.0% of reviews — better |
| Number of ratings | 4.4K — better | 1 |
| Update frequency | Every 6 weeks | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 59 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Norma Kohn | Gleb Shalimov |
Customer experience
Polygrams
Knight's Graph
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
Knight's Graph
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Polygrams
- 5 Hints$0.99
- Remove Ads$0.99
- 20 Hints$2.99
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- 35 Hints$4.99
- 80 Hints$9.99
- 200 Hints$20.99
Knight's Graph
No in-app purchases
Questions
Is Polygrams free?
Is Knight's Graph free?
Which has better reviews, Polygrams or Knight's Graph?
Do Polygrams or Knight's Graph have ads?
Which is updated more often, Polygrams or Knight's Graph?
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