# TJ's Tangram (EN) vs PolygoLines

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.

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

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.

## The numbers

| Metric | TJ's Tangram (EN) | PolygoLines |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 6 months |
| Monetization | Free | — |
| Size | 205 MB | 165 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Bloks Technology Group Co., Ltd](https://appshunter.io/developer/987362741) | [Pavel Kulakov](https://appshunter.io/developer/653642305) |

## What reviewers say

### TJ's Tangram (EN)

[App page](https://appshunter.io/ios/app/tjs-tangram-en/id1041356502)

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:** macOS Compatibility

**In-app purchases:** none


### PolygoLines

[App page](https://appshunter.io/ios/app/polygolines/id6448698159)

**In-app purchases:** none


## Frequently asked 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.

---

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