Comparison

TJ's Tangram (EN) vs PolygoLines

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

Head to head
About

TJ's Tangram (EN)

This app transforms the ancient Chinese tangram game with modern technology, offering children an engaging way to develop intellect, imagination, and spatial awareness. It features animated puzzles, a story mode, and image recognition to bring creations to life, encouraging both independent play and parent-child interaction.

Highlights
  • Animated tangram puzzles
  • Story-driven adventure mode
  • Image recognition technology
  • Over 700 tangram pictures
  • Challenge mode for advanced play
  • Parent-child co-play options
Features
Read full description

The ancient Chinese game of tangrams after merging with iPad technology, has now been revitalised to bring children into this magical game that encourages intellect, imagination, creativity, spatial awareness, and logic. Animations and gameplay come together to create life-like puzzles on the screen as they create various plants and animals with the tangram, exercising their hands and brain. Story puzzles, animations, challenge mode .... lots of different ways to play. Want to explore the fantastic world of tangrams? Come join TJ on his adventure! Functions Magical tangram The timeless game of Chinese tangrams pairs perfectly with the iPad and image recognition technology to bring plants and animals to life at your childrenโ€™s fingertips. Theyโ€™ll increase their spatial awareness, creativity, and imagination through play. A story of wonderful exploration. Accompany TJ on his journey through a magical world, complete with an animated storyline. Children use the tangram to create all sorts of objects, helping TJ along the way Image recognition technology Children can put all kinds of real images together using image recognition technology, combining the virtual and real world. Tangram details booklet A careful selection of animals, buildings, and characters creates eight different topics with over 700 tangram pictures available. This allows children to freely explore the world of tangrams. For parent and child joint activities. With higher difficulty levels to choose from, parents can accompany their children to complete the puzzles together, encouraging the children to complete the challenges.

About

PolygoLines

Read full description

"PolygoLines" is a minimalistic puzzle game for those who like to solve logical problems and enjoy the process. The game offers players an exciting gameplay based on filling a polygon with lines of various colors and lengths. The playing field is presented as a polygon consisting of many dots that need to be connected by lines. The number of lines on the level is fixed. Each line is limited in length and can only be of one color. The goal of the game is to fill the entire playing field with lines. At the same time, the player must take into account the limitation on the length of the lines and try to use them most effectively. To do this, the player needs to choose the most suitable dots to connect in a line to fill the playing field in the form of a polygon. The game offers various levels, ranging from simple ones with a small number of dots to complex ones with different types of dots and a lot of them. "PolygoLines" offers players a unique gameplay that requires strategic thinking and the ability to use available resources in the most efficient way. The minimalistic design of the game allows players to fully focus on the gameplay and enjoy the process of solving puzzles. Features: - addictive gameplay - different forms of the playing field - different types of dots of the playing field - minimalistic design - one-finger gameplay If you like puzzles and want to have a good time, then "PolygoLines" is sure to please you. *** pasha.kulakow@gmail.com

Screenshots

PolygoLines4 screens

Verdict

The call

The clearest difference is ads: TJ's Tangram (EN) at none against PolygoLines's shown. TJ's Tangram (EN) also leads on update cadence (every 5 weeks vs every 6 months) and iOS requirement (7.0 vs 13.0). PolygoLines's advantage is device support (3 vs 1). On price and in-app purchases there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

TJ's Tangram (EN) ships an update every 5 weeks, PolygoLines every 6 months. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

Scorecard4 real differences ยท 4 level
TJ's Tangram (EN) versus PolygoLines: the parameters behind the verdict, then further details
ParameterTJ's Tangram (EN)PolygoLines
PriceFreeFree
Positive reviews0.0% of reviewsโ€”
Update frequencyEvery 5 weeks โ€” betterEvery 6 months
AdsNo โ€” betterYes
In-app purchasesNoNo
MonetizationFreeโ€”
DevicesiPadiPhone, iPad, iPod โ€” better
Requires iOS7.0 โ€” better13.0
Further details โ€” not scored
Size205 MB165 MB
Age rating4+4+
DeveloperShanghai Bloks Technology Group Co., LtdPavel Kulakov

In-app purchases

None

TJ's Tangram (EN)

No in-app purchases

None

PolygoLines

No in-app purchases

Questions

Is TJ's Tangram (EN) free?
TJ's Tangram (EN) is free to download, with no in-app purchases.
Is PolygoLines free?
PolygoLines is free to download, with no in-app purchases.
Do TJ's Tangram (EN) or PolygoLines have ads?
PolygoLines shows ads; TJ's Tangram (EN) does not.
Which is updated more often, TJ's Tangram (EN) or PolygoLines?
TJ's Tangram (EN) ships an update every 5 weeks, and PolygoLines every 6 months. Most recently, TJ's Tangram (EN) was updated on October 15, 2026 and PolygoLines on October 14, 2026.

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