# Knot Guide HD vs Vector Calculator Plus

The clearest difference is review sentiment: Knot Guide HD at 77% against Vector Calculator Plus's 0%. Knot Guide HD also leads on rating (4.1 vs 2.5) and update cadence (every 12 months vs every 43 months). Vector Calculator Plus's advantage is price ($2.99 vs $4.99) and device support (3 vs 1). On ads, in-app purchases and monetization model there is nothing between them.

Knot Guide HD costs $4.99 and Vector Calculator Plus $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Knot Guide HD holds the better App Store score, 4.1 against 2.5. That said, the two scores are not equally well evidenced: Knot Guide HD has 23 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 77% of Knot Guide HD's written reviews are positive against 0% of Vector Calculator Plus's.

Knot Guide HD ships an update every 12 months, Vector Calculator Plus every 43 months. The most recent releases landed on September 23, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Knot Guide HD | Vector Calculator Plus |
| --- | --- | --- |
| Price | $4.99 | **$2.99** |
| Rating | **[4.1 (23 ratings)](https://appshunter.io/ios/app/knot-guide-hd/id374225992/reviews)** | [2.5 (2 ratings)](https://appshunter.io/ios/app/vector-calculator-plus/id1630864948/reviews) |
| Number of ratings | **23** | 2 |
| Positive reviews | **77.4% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 12 months** | Every 43 months |
| Monetization | Paid | Paid |
| Size | 99 MB | 1 MB |
| Requires iOS | **11.0** | 13 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Winkpass Creations, Inc.](https://appshunter.io/developer/288636661) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## What reviewers say

### Knot Guide HD

[App page](https://appshunter.io/ios/app/knot-guide-hd/id374225992)

Learn to tie over 100 different knots with clear, step-by-step instructions and photographs. This app categorizes knots for easy browsing and provides detailed descriptions for each one, making it a practical tool for various activities.

**Highlights:** 107 unique knots, Clear, colorful photographs, Browse by category or knot name, Detailed knot descriptions, Categorized knot library

**Features:** macOS Compatibility

**In-app purchases:** none


### Vector Calculator Plus

[App page](https://appshunter.io/ios/app/vector-calculator-plus/id1630864948)

This app simplifies vector addition for students and educators. It allows for quick calculations of multiple vectors, visualizing the results with generated graphs. Users can customize graph elements and save images for later use.

**Highlights:** Instant vector calculation, Add multiple vectors by x, y, magnitude, or angle, Generate vector images, Save vector images to camera roll, Customize graph display options, Set background color for graphs

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

**In-app purchases:** none


## Frequently asked questions

### Is Knot Guide HD free?

Knot Guide HD costs $4.99, with no in-app purchases.

### Is Vector Calculator Plus free?

Vector Calculator Plus costs $2.99, with no in-app purchases.

### Which has better reviews, Knot Guide HD or Vector Calculator Plus?

Knot Guide HD is rated higher. Knot Guide HD averages 4.1 out of 5 from 23 ratings, while Vector Calculator Plus averages 2.5 from 2 ratings.

### Do Knot Guide HD or Vector Calculator Plus have ads?

Neither Knot Guide HD nor Vector Calculator Plus shows ads.

### Which is updated more often, Knot Guide HD or Vector Calculator Plus?

Knot Guide HD ships an update every 12 months, and Vector Calculator Plus every 43 months. Most recently, Knot Guide HD was updated on September 23, 2026 and Vector Calculator Plus on September 25, 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.*