# The Hamiltonian Circuit vs Hook Through

The clearest difference is iOS requirement: Hook Through at 12.0 against The Hamiltonian Circuit's 16.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. The Hamiltonian Circuit sells 13 one-off in-app purchases and Hook Through sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

The Hamiltonian Circuit ships an update every 5 weeks, Hook Through every 3 weeks. The most recent releases landed on October 20, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | The Hamiltonian Circuit | Hook Through |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (33 ratings)](https://appshunter.io/ios/app/the-hamiltonian-circuit/id1484345208/reviews)** | — |
| Number of ratings | **33** | — |
| Positive reviews | 59.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 64 MB | 136 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Good Thinking Games](https://appshunter.io/developer/1484345207) | [Wuhan Zhongmeng Interactive Entertainment Information Technology Co., Ltd](https://appshunter.io/developer/1754163675) |

## What reviewers say

### The Hamiltonian Circuit

[App page](https://appshunter.io/ios/app/the-hamiltonian-circuit/id1484345208)

This challenging puzzle game requires you to find a continuous circuit that visits every square on a grid without crossing itself or walls. Progress from simple grids to complex, large-scale challenges that test your abstract thinking and problem-solving skills. Hints are available to guide you when you get stuck.

**Highlights:** Visit every square on the grid, Avoid walls and self-crossing, Progressive grid sizes (4x4 to 20x20), Hint system for assistance, Automatic progress saving, Single solution per puzzle

**Features:** Vision Pro support

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pack of 50 Hints | $0.99 | one-time |
| Bright Mini 1 | $0.99 | one-time |
| Pack of 50 neurons | $0.99 | one-time |
| Basic Puzzle Pack 1 | $2.99 | one-time |
| Einstein mini-bundle 1 | $2.99 | one-time |
| Bright 1 | $2.99 | one-time |
| Sharp 1 | $2.99 | one-time |
| Pack of 250 Hints | $3.99 | one-time |
| Pack of 250 neurons | $3.99 | one-time |
| Remove Ads | $4.99 | one-time |
| Pack of 750 neurons | $9.99 | one-time |
| Unlock all puzzle packs | $18.99 | one-time |
| Unlock all puzzle packs | $30.99 | one-time |


### Hook Through

[App page](https://appshunter.io/ios/app/hook-through/id6738643186)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $5.99 | one-time |


## Frequently asked questions

### Is The Hamiltonian Circuit free?

The Hamiltonian Circuit is free to download, with in-app purchases available.

### Is Hook Through free?

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

### Do The Hamiltonian Circuit or Hook Through have ads?

Both The Hamiltonian Circuit and Hook Through show ads.

### Which is updated more often, The Hamiltonian Circuit or Hook Through?

The Hamiltonian Circuit ships an update every 5 weeks, and Hook Through every 3 weeks. Most recently, The Hamiltonian Circuit was updated on October 20, 2026 and Hook Through on October 18, 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.*