# Vector Calculator Plus vs PID Controller Simulation

The clearest difference is rating: PID Controller Simulation at 3.0 against Vector Calculator Plus's 2.5. PID Controller Simulation also leads on review sentiment (33% vs 0%) and update cadence (every 3 months vs every 43 months). Vector Calculator Plus's advantage is price ($2.99 vs $3.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Vector Calculator Plus costs $2.99 and PID Controller Simulation $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PID Controller Simulation holds the better App Store score, 3.0 against 2.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 0% of Vector Calculator Plus's written reviews are positive against 33% of PID Controller Simulation's.

Vector Calculator Plus ships an update every 43 months, PID Controller Simulation every 3 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Vector Calculator Plus | PID Controller Simulation |
| --- | --- | --- |
| Price | **$2.99** | $3.99 |
| Rating | [2.5 (2 ratings)](https://appshunter.io/ios/app/vector-calculator-plus/id1630864948/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/pid-controller-simulation/id6612009107/reviews)** |
| Number of ratings | 2 | 2 |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 43 months | **Every 3 months** |
| Monetization | Paid | Paid |
| Size | 1 MB | 6 MB |
| Requires iOS | 13 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Heng Jia Liang](https://appshunter.io/developer/1532000635) | [立娜 王](https://appshunter.io/developer/1761096632) |

## What reviewers say

### 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


### PID Controller Simulation

[App page](https://appshunter.io/ios/app/pid-controller-simulation/id6612009107)

Master PID control theory and practice with this comprehensive simulation platform. Learn fundamental concepts, tune parameters, and simulate real-world applications like temperature and motor speed control. Export PID parameters as production-ready code in multiple languages.

**Highlights:** Comprehensive tutorial system, Interactive scenario simulations, Performance analysis tools, Code generator for multiple languages, Real-time curve visualization, Advanced PID algorithm explanations

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

**In-app purchases:** none


## Frequently asked questions

### Is Vector Calculator Plus free?

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

### Is PID Controller Simulation free?

PID Controller Simulation costs $3.99, with no in-app purchases.

### Which has better reviews, Vector Calculator Plus or PID Controller Simulation?

PID Controller Simulation is rated higher. Vector Calculator Plus averages 2.5 out of 5 from 2 ratings, while PID Controller Simulation averages 3.0 from 2 ratings.

### Do Vector Calculator Plus or PID Controller Simulation have ads?

Neither Vector Calculator Plus nor PID Controller Simulation shows ads.

### Which is updated more often, Vector Calculator Plus or PID Controller Simulation?

Vector Calculator Plus ships an update every 43 months, and PID Controller Simulation every 3 months. Most recently, Vector Calculator Plus was updated on November 3, 2026 and PID Controller Simulation on November 4, 2026.

---

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