# Hamiltonian vs COCA词频单词

The clearest difference is review sentiment: Hamiltonian at 81% against COCA词频单词's 43%. Hamiltonian also leads on update cadence (every 3 days vs every 6 weeks) and price ($0.99 vs $2.99). COCA词频单词's advantage is in-app purchases (none vs 3). On ads, monetization model and device support there is nothing between them.

Hamiltonian costs $0.99 and COCA词频单词 $2.99 up front. Hamiltonian sells 3 one-off in-app purchases. COCA词频单词 asks for nothing beyond the download.

Hamiltonian ships an update every 3 days, COCA词频单词 every 6 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Hamiltonian | COCA词频单词 |
| --- | --- | --- |
| Price | **$0.99** | $2.99 |
| Rating | **[4.0 (8 ratings)](https://appshunter.io/ios/app/hamiltonian/id1309398796/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | **81.0% of reviews** | 42.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 6 weeks |
| Monetization | Paid | Paid |
| Size | 22 MB | 105 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [奕鑫 史](https://appshunter.io/developer/1217732173) | [坤 徐](https://appshunter.io/developer/1490871013) |

## What reviewers say

### Hamiltonian

[App page](https://appshunter.io/ios/app/hamiltonian/id1309398796)

This educational puzzle game challenges players to find Hamiltonian circuits in graphs. Progress through increasingly difficult levels, enhancing problem-solving skills. It's designed for those who enjoy intellectual challenges and want to sharpen their minds.

**Highlights:** Hamiltonian circuit puzzles, Progressive difficulty levels, Problem-solving skill enhancement, Graph theory challenges, Brain-training gameplay

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6 star coins | $0.99 | one-time |
| 15 star coins | $1.99 | one-time |
| 45 star coins | $3.99 | one-time |


### COCA词频单词

[App page](https://appshunter.io/ios/app/coca/id1490871014)

Master English vocabulary with a frequency-based approach. This app provides detailed explanations, synonyms, and example sentences for thousands of the most common words, aiding efficient learning and retention.

**Highlights:** 17,631 COCA-ranked words, Detailed explanations, synonyms, and examples, Audio pronunciation, Grouped learning by 1000-word intervals, Offline dictionary access, Progress tracking and learned word filtering

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Hamiltonian free?

Hamiltonian costs $0.99, and also offers in-app purchases.

### Is COCA词频单词 free?

COCA词频单词 costs $2.99, with no in-app purchases.

### Do Hamiltonian or COCA词频单词 have ads?

Neither Hamiltonian nor COCA词频单词 shows ads.

### Which is updated more often, Hamiltonian or COCA词频单词?

Hamiltonian ships an update every 3 days, and COCA词频单词 every 6 weeks. Most recently, Hamiltonian was updated on October 24, 2026 and COCA词频单词 on October 24, 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.*