# Tangram vs Cognihab

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

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

Tangram ships an update every 6 months, Cognihab every 3 weeks. The most recent releases landed on October 22, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Tangram | Cognihab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (34 ratings)](https://appshunter.io/ios/app/tangram-logic-shape-puzzles/id1568474294/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | 66.1% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 81 MB | 1.6 GB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Julia Rabchanova](https://appshunter.io/developer/1363214658) | [Cognihab Healthcare Solutions Private Limited](https://appshunter.io/developer/1756868806) |

## What reviewers say

### Tangram

[App page](https://appshunter.io/ios/app/tangram-logic-shape-puzzles/id1568474294)

This app offers a mental workout by challenging users to assemble shapes from provided pieces. It helps improve problem-solving skills and spatial reasoning through engaging puzzles. With multiple levels and hint options, it's designed for both adults and children.

**Highlights:** Assemble shapes from pieces, Use all pieces, Pieces must not overlap, 15 exciting levels, Two types of hints, Simple control and user-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Cognihab

[App page](https://appshunter.io/ios/app/cognihab/id6535676522)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tangram free?

Tangram is free to download, with no in-app purchases.

### Is Cognihab free?

Cognihab is free to download, with no in-app purchases.

### Do Tangram or Cognihab have ads?

Tangram shows ads; Cognihab does not.

### Which is updated more often, Tangram or Cognihab?

Tangram ships an update every 6 months, and Cognihab every 3 weeks. Most recently, Tangram was updated on October 22, 2026 and Cognihab on October 5, 2026.

---

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