# Pulley Calculator vs Vector Calculator Plus

The clearest difference is rating: Pulley Calculator at 3.7 against Vector Calculator Plus's 2.5. Pulley Calculator also leads on review sentiment (25% vs 0%) and ratings volume (34 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Pulley Calculator holds the better App Store score, 3.7 against 2.5. That said, the two scores are not equally well evidenced: Pulley Calculator has 34 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 25% of Pulley Calculator's written reviews are positive against 0% of Vector Calculator Plus's.

Pulley Calculator ships an update every 46 months, Vector Calculator Plus every 43 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Pulley Calculator | Vector Calculator Plus |
| --- | --- | --- |
| Price | $2.99 | $2.99 |
| Rating | **[3.7 (34 ratings)](https://appshunter.io/ios/app/pulley-calculator/id1388205210/reviews)** | [2.5 (2 ratings)](https://appshunter.io/ios/app/vector-calculator-plus/id1630864948/reviews) |
| Number of ratings | **34** | 2 |
| Positive reviews | **25.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 46 months | **Every 43 months** |
| Monetization | Paid | Paid |
| Size | 1 MB | 1 MB |
| Requires iOS | 13 | 13 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## What reviewers say

### Pulley Calculator

[App page](https://appshunter.io/ios/app/pulley-calculator/id1388205210)

This engineering calculator helps determine belt length, ratio, RPM, and belt speed for pulley systems. It offers instant calculations with copyable results and includes formulas for reference.

**Highlights:** Calculate Belt Length, Calculate Ratio, Calculate RPM, Calculate Belt Speed, Instant calculations, Copyable results, Includes formulas

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

**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 Pulley Calculator free?

Pulley Calculator costs $2.99, 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, Pulley Calculator or Vector Calculator Plus?

Pulley Calculator is rated higher. Pulley Calculator averages 3.7 out of 5 from 34 ratings, while Vector Calculator Plus averages 2.5 from 2 ratings.

### Do Pulley Calculator or Vector Calculator Plus have ads?

Neither Pulley Calculator nor Vector Calculator Plus shows ads.

### Which is updated more often, Pulley Calculator or Vector Calculator Plus?

Pulley Calculator ships an update every 46 months, and Vector Calculator Plus every 43 months. Most recently, Pulley Calculator was updated on November 2, 2026 and Vector Calculator Plus on November 3, 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.*